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Bug 666041 patch 4: Mochitest for flexbox layout. r=dbaron
This commit is contained in:
Daniel Holbert
parent
066dcce9bf
commit
b1e4aa1328
@ -193,6 +193,8 @@ MOCHITEST_FILES += \
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test_flexbox_align_self_auto.html \
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test_flexbox_flex_grow_and_shrink.html \
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test_flexbox_flex_shorthand.html \
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test_flexbox_layout.html \
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flexbox_layout_testcases.js \
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$(NULL)
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endif
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655
layout/style/test/flexbox_layout_testcases.js
Normal file
655
layout/style/test/flexbox_layout_testcases.js
Normal file
@ -0,0 +1,655 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 sts=2 et: */
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/*
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* This Source Code is subject to the terms of the Mozilla Public License
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* version 2.0 (the "License"). You can obtain a copy of the License at
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* http://mozilla.org/MPL/2.0/.
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*/
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/**
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* For the purposes of this test, flex items are specified as a hash with a
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* hash-entry for each CSS property that is to be set. In these per-property
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* entries, the key is the property-name, and the value can be either of the
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* following:
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* (a) the property's specified value
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* ...or...
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* (b) an array with 2 entries: [specifiedValue, expectedComputedValue] if the
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* property's computed value is intended to be checked. The first entry
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* (for the specified value) may be null; this means that no value should
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* be explicitly specified for this property.
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*
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* To allow these testcases to be re-used in both horizontal and vertical
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* flex containers, we specify "width"/"min-width"/etc. as "_main-size",
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* "_min-main-size", etc. The test code can map these placeholder names to
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* their corresponding property-names using the maps defined below --
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* gHorizontalPropertyMapping and gVerticalPropertyMapping.
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*/
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// The standard main-size we'll use for our flex container when setting up
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// the testcases defined below:
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var gDefaultFlexContainerSize = "200px";
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// Left-to-right versions of placeholder property-names used in
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// testcases below:
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var gRowPropertyMapping =
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{
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"_main-size": "width",
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"_min-main-size": "min-width",
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"_max-main-size": "max-width",
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"_border-main-start-width": "border-left-width",
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"_border-main-end-width": "border-right-width",
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"_padding-main-start": "padding-left",
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"_padding-main-end": "padding-right",
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"_margin-main-start": "margin-left",
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"_margin-main-end": "margin-right"
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};
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// Right-to-left versions of placeholder property-names used in
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// testcases below:
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var gRowReversePropertyMapping =
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{
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"_main-size": "width",
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"_min-main-size": "min-width",
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"_max-main-size": "max-width",
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"_border-main-start-width": "border-right-width",
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"_border-main-end-width": "border-left-width",
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"_padding-main-start": "padding-right",
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"_padding-main-end": "padding-left",
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"_margin-main-start": "margin-right",
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"_margin-main-end": "margin-left"
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};
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// Top-to-bottom versions of placeholder property-names used in
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// testcases below:
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var gColumnPropertyMapping =
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{
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"_main-size": "height",
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"_min-main-size": "min-height",
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"_max-main-size": "max-height",
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"_border-main-start-width": "border-top-width",
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"_border-main-end-width": "border-bottom-width",
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"_padding-main-start": "padding-top",
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"_padding-main-end": "padding-bottom",
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"_margin-main-start": "margin-top",
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"_margin-main-end": "margin-bottom"
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};
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// Bottom-to-top versions of placeholder property-names used in
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// testcases below:
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var gColumnReversePropertyMapping =
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{
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"_main-size": "height",
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"_min-main-size": "min-height",
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"_max-main-size": "max-height",
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"_border-main-start-width": "border-bottom-width",
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"_border-main-end-width": "border-top-width",
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"_padding-main-start": "padding-bottom",
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"_padding-main-end": "padding-top",
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"_margin-main-start": "margin-bottom",
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"_margin-main-end": "margin-top"
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};
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// The list of actual testcase definitions:
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var gFlexboxTestcases =
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[
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// No flex properties specified --> should just use 'width' for sizing
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{
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items:
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[
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{ "_main-size": [ "40px", "40px" ] },
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{ "_main-size": [ "65px", "65px" ] },
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]
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},
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// flex-basis is specified:
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{
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items:
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[
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{ "-moz-flex-basis": "50px",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex-basis": "20px",
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"_main-size": [ null, "20px" ]
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},
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]
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},
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// flex-basis is *large* -- sum of flex-basis values is > flex container size:
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// (w/ 0 flex-shrink so we don't shrink):
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{
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items:
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[
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{
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"-moz-flex": "0 0 150px",
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"_main-size": [ null, "150px" ]
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},
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{
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"-moz-flex": "0 0 90px",
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"_main-size": [ null, "90px" ]
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},
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]
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},
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// flex-basis is *large* -- each flex-basis value is > flex container size:
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// (w/ 0 flex-shrink so we don't shrink):
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{
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items:
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[
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{
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"-moz-flex": "0 0 250px",
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"_main-size": [ null, "250px" ]
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},
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{
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"-moz-flex": "0 0 400px",
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"_main-size": [ null, "400px" ]
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},
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]
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},
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// flex-basis has percentage value:
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{
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items:
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[
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{
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"-moz-flex-basis": "30%",
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"_main-size": [ null, "60px" ]
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},
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{
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"-moz-flex-basis": "45%",
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"_main-size": [ null, "90px" ]
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},
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]
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},
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// flex-basis has calc(percentage) value:
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{
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items:
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[
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{
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"-moz-flex-basis": "-moz-calc(20%)",
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"_main-size": [ null, "40px" ]
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},
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{
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"-moz-flex-basis": "-moz-calc(80%)",
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"_main-size": [ null, "160px" ]
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},
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]
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},
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// flex-basis has calc(percentage +/- length) value:
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{
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items:
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[
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{
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"-moz-flex-basis": "-moz-calc(10px + 20%)",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex-basis": "-moz-calc(60% - 1px)",
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"_main-size": [ null, "119px" ]
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},
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]
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},
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// flex-grow is specified:
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{
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items:
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[
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{
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"-moz-flex": "1",
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"_main-size": [ null, "60px" ]
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},
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{
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"-moz-flex": "2",
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"_main-size": [ null, "120px" ]
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},
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{
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"-moz-flex": "0 20px",
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"_main-size": [ null, "20px" ]
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}
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]
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},
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// Same ratio as prev. testcase; making sure we handle float inaccuracy
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{
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items:
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[
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{
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"-moz-flex": "100000",
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"_main-size": [ null, "60px" ]
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},
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{
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"-moz-flex": "200000",
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"_main-size": [ null, "120px" ]
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},
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{
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"-moz-flex": "0.000001 20px",
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"_main-size": [ null, "20px" ]
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}
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]
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},
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// Same ratio as prev. testcase, but with items cycled and w/
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// "flex: none" & explicit size instead of "flex: 0 20px"
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{
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items:
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[
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{
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"-moz-flex": "none",
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"_main-size": [ "20px", "20px" ]
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},
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{
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"-moz-flex": "1",
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"_main-size": [ null, "60px" ]
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},
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{
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"-moz-flex": "2",
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"_main-size": [ null, "120px" ]
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}
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]
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},
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// ...and now with flex-grow:[huge] to be sure we handle infinite float values
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// gracefully.
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{
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items:
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[
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{
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"-moz-flex": "9999999999999999999999999999999999999999999999999999999",
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"_main-size": [ null, "200px" ]
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},
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]
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},
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{
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items:
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[
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{
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"-moz-flex": "9999999999999999999999999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "9999999999999999999999999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "9999999999999999999999999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "9999999999999999999999999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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]
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},
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{
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items:
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[
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{
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"-moz-flex": "99999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "99999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "99999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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{
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"-moz-flex": "99999999999999999999999999999999999",
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"_main-size": [ null, "50px" ]
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},
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]
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},
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// Trying "flex: auto" (== "1 1 auto") w/ a mix of flex-grow/flex-basis values
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{
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items:
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[
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{
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"-moz-flex": "auto",
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"_main-size": [ null, "45px" ]
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},
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{
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"-moz-flex": "2",
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"_main-size": [ null, "90px" ]
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},
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{
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"-moz-flex": "20px 1 0",
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"_main-size": [ null, "65px" ]
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}
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]
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},
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// Same as previous, but with items cycled & different syntax
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{
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items:
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[
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{
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"-moz-flex": "20px",
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"_main-size": [ null, "65px" ]
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},
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{
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"-moz-flex": "1",
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"_main-size": [ null, "45px" ]
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},
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{
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"-moz-flex": "2",
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"_main-size": [ null, "90px" ]
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}
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]
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},
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{
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items:
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[
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{
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"-moz-flex": "2",
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"_main-size": [ null, "100px" ],
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"border": "0px dashed",
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"_border-main-start-width": [ "5px", "5px" ],
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"_border-main-end-width": [ "15px", "15px" ],
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"_margin-main-start": [ "22px", "22px" ],
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"_margin-main-end": [ "8px", "8px" ]
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},
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{
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"-moz-flex": "1",
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"_main-size": [ null, "50px" ],
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"_margin-main-start": [ "auto", "0px" ],
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"_padding-main-end": [ "auto", "0px" ],
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}
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]
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},
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// Test negative flexibility:
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// Basic testcase: just 1 item (relying on initial "flex-shrink: 1") --
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// should shrink to container size.
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{
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items:
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[
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{ "_main-size": [ "400px", "200px" ] },
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],
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},
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// ...and now with a "flex" specification and a different flex-shrink value:
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{
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items:
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[
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{
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"-moz-flex": "4 2 250px",
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"_main-size": [ null, "200px" ]
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},
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],
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},
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// ...and now with multiple items, which all shrink proportionally (by 50%)
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// to fit to the container, since they have the same (initial) flex-shrink val
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{
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items:
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[
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{ "_main-size": [ "80px", "40px" ] },
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{ "_main-size": [ "40px", "20px" ] },
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{ "_main-size": [ "30px", "15px" ] },
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{ "_main-size": [ "250px", "125px" ] },
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]
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},
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// ...and now with positive flexibility specified. (should have no effect, so
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// everything still shrinks by the same proportion, since the flex-shrink
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// values are all the same).
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{
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items:
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[
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{
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"-moz-flex": "4 3 100px",
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"_main-size": [ null, "80px" ]
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},
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{
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"-moz-flex": "5 3 50px",
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"_main-size": [ null, "40px" ]
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},
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{
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"-moz-flex": "0 3 100px",
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"_main-size": [ null, "80px" ]
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}
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]
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},
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// ...and now with *different* flex-shrink values:
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{
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items:
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[
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{
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"-moz-flex": "4 2 50px",
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"_main-size": [ null, "30px" ]
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},
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{
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"-moz-flex": "5 3 50px",
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"_main-size": [ null, "20px" ]
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},
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{
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"-moz-flex": "0 0 150px",
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"_main-size": [ null, "150px" ]
|
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}
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]
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},
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// Same ratio as prev. testcase; making sure we handle float inaccuracy
|
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{
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items:
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[
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{
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"-moz-flex": "4 20000000 50px",
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"_main-size": [ null, "30px" ]
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},
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{
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"-moz-flex": "5 30000000 50px",
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"_main-size": [ null, "20px" ]
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},
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{
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"-moz-flex": "0 0.0000001 150px",
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"_main-size": [ null, "150px" ]
|
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}
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]
|
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},
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// Another "different flex-shrink values" testcase:
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{
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items:
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[
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{
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"-moz-flex": "4 2 115px",
|
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"_main-size": [ null, "69px" ]
|
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},
|
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{
|
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"-moz-flex": "5 1 150px",
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"_main-size": [ null, "120px" ]
|
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},
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{
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"-moz-flex": "1 4 30px",
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"_main-size": [ null, "6px" ]
|
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},
|
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{
|
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"-moz-flex": "1 0 5px",
|
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"_main-size": [ null, "5px" ]
|
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},
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]
|
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},
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// ...and now with min-size (clamping the effects of flex-shrink on one item):
|
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{
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items:
|
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[
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{
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"-moz-flex": "4 5 75px",
|
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"_min-main-size": "50px",
|
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"_main-size": [ null, "50px" ],
|
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},
|
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{
|
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"-moz-flex": "5 5 100px",
|
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"_main-size": [ null, "62.5px" ]
|
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},
|
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{
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"-moz-flex": "0 4 125px",
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"_main-size": [ null, "87.5px" ]
|
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}
|
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]
|
||||
},
|
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|
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// Test a min-size that's much larger than initial preferred size, but small
|
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// enough that our flexed size pushes us over it:
|
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{
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items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "110px",
|
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"_main-size": [ "50px", "125px" ]
|
||||
},
|
||||
{
|
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"-moz-flex": "auto",
|
||||
"_main-size": [ null, "75px" ]
|
||||
}
|
||||
]
|
||||
},
|
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||||
// Test a min-size that's much larger than initial preferred size, and is
|
||||
// even larger than our positively-flexed size, so that we have to increase it
|
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// (as a 'min violation') after we've flexed.
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "150px",
|
||||
"_main-size": [ "50px", "150px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_main-size": [ null, "50px" ]
|
||||
}
|
||||
]
|
||||
},
|
||||
|
||||
// Test min-size on multiple items simultaneously:
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "20px",
|
||||
"_main-size": [ null, "20px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "9 auto",
|
||||
"_min-main-size": "150px",
|
||||
"_main-size": [ "50px", "180px" ]
|
||||
},
|
||||
]
|
||||
},
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "1 1 0px",
|
||||
"_min-main-size": "90px",
|
||||
"_main-size": [ null, "90px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "1 1 0px",
|
||||
"_min-main-size": "80px",
|
||||
"_main-size": [ null, "80px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "1 1 40px",
|
||||
"_main-size": [ null, "30px" ]
|
||||
}
|
||||
]
|
||||
},
|
||||
|
||||
// Test a case where _min-main-size will be violated on different items in
|
||||
// successive iterations of the "resolve the flexible lengths" loop
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "1 2 100px",
|
||||
"_min-main-size": "90px",
|
||||
"_main-size": [ null, "90px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "1 1 100px",
|
||||
"_min-main-size": "70px",
|
||||
"_main-size": [ null, "70px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "1 1 100px",
|
||||
"_main-size": [ null, "40px" ]
|
||||
}
|
||||
]
|
||||
},
|
||||
|
||||
// Test some cases that have a min-size violation on one item and a
|
||||
// max-size violation on another:
|
||||
|
||||
// Here, both items initially grow to 100px. That violates both
|
||||
// items' sizing constraints (it's smaller than the min-size and larger than
|
||||
// the max-size), so we clamp both of them and sum the clamping-differences:
|
||||
//
|
||||
// (130px - 100px) + (50px - 100px) = (30px) + (-50px) = -20px
|
||||
//
|
||||
// This sum is negative, so (per spec) we freeze the item that had its
|
||||
// max-size violated (the second one) and restart the algorithm. This time,
|
||||
// all the available space (200px - 50px = 150px) goes to the not-yet-frozen
|
||||
// first item, and that puts it above its min-size, so all is well.
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "130px",
|
||||
"_main-size": [ null, "150px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_max-main-size": "50px",
|
||||
"_main-size": [ null, "50px" ]
|
||||
},
|
||||
]
|
||||
},
|
||||
|
||||
// As above, both items initially grow to 100px, and that violates both items'
|
||||
// constraints. However, now the sum of the clamping differences is:
|
||||
//
|
||||
// (130px - 100px) + (80px - 100px) = (30px) + (-20px) = 10px
|
||||
//
|
||||
// This sum is positive, so (per spec) we freeze the item that had its
|
||||
// min-size violated (the first one) and restart the algorithm. This time,
|
||||
// all the available space (200px - 130px = 70px) goes to the not-yet-frozen
|
||||
// second item, and that puts it below its max-size, so all is well.
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "130px",
|
||||
"_main-size": [ null, "130px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_max-main-size": "80px",
|
||||
"_main-size": [ null, "70px" ]
|
||||
},
|
||||
]
|
||||
},
|
||||
|
||||
// As above, both items initially grow to 100px, and that violates both items'
|
||||
// constraints. So we clamp both items and sum the clamping differences to
|
||||
// see what to do next. The sum is:
|
||||
//
|
||||
// (80px - 100px) + (120px - 100px) = (-20px) + (20px) = 0px
|
||||
//
|
||||
// Per spec, if the sum is 0, we're done -- we leave both items at their
|
||||
// clamped sizes.
|
||||
{
|
||||
items:
|
||||
[
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_max-main-size": "80px",
|
||||
"_main-size": [ null, "80px" ]
|
||||
},
|
||||
{
|
||||
"-moz-flex": "auto",
|
||||
"_min-main-size": "120px",
|
||||
"_main-size": [ null, "120px" ]
|
||||
},
|
||||
]
|
||||
},
|
||||
];
|
||||
139
layout/style/test/test_flexbox_layout.html
Normal file
139
layout/style/test/test_flexbox_layout.html
Normal file
@ -0,0 +1,139 @@
|
||||
<!DOCTYPE HTML>
|
||||
<html>
|
||||
<!--
|
||||
https://bugzilla.mozilla.org/show_bug.cgi?id=666041
|
||||
-->
|
||||
<head>
|
||||
<title>Test for Bug 666041</title>
|
||||
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
||||
<script type="text/javascript" src="flexbox_layout_testcases.js"></script>
|
||||
<script type="text/javascript" src="property_database.js"></script>
|
||||
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
||||
</head>
|
||||
<body>
|
||||
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=666041">Mozilla Bug 666041</a>
|
||||
<p id="display"></p>
|
||||
<div id="content">
|
||||
</div>
|
||||
<pre id="test">
|
||||
<script type="application/javascript;version=1.7">
|
||||
"use strict";
|
||||
|
||||
/** Test for Bug 666041 **/
|
||||
|
||||
/* Flexbox Layout Tests
|
||||
* --------------------
|
||||
* This mochitest exercises our implementation of the flexbox layout algorithm
|
||||
* by creating a flex container, inserting some flexible children, and then
|
||||
* verifying that the computed width of those children is what we expect.
|
||||
*
|
||||
* See flexbox_layout_testcases.js for the actual testcases & testcase format.
|
||||
*/
|
||||
|
||||
SimpleTest.waitForExplicitFinish();
|
||||
|
||||
function getComputedStyleWrapper(elem, prop)
|
||||
{
|
||||
return window.getComputedStyle(elem, null).getPropertyValue(prop);
|
||||
}
|
||||
|
||||
// The main test function.
|
||||
// aFlexboxTestcase is an entry from the list in flexbox_layout_testcases.js
|
||||
function testFlexboxTestcase(aFlexboxTestcase, aFlexDirection, aPropertyMapping)
|
||||
{
|
||||
let content = document.getElementById("content");
|
||||
|
||||
// Create flex container
|
||||
let flexContainer = document.createElement("div");
|
||||
flexContainer.style.display = "-moz-flex";
|
||||
|
||||
flexContainer.style[aPropertyMapping["_main-size"]] = gDefaultFlexContainerSize;
|
||||
|
||||
flexContainer.style.MozFlexDirection = aFlexDirection;
|
||||
|
||||
// Create & append flex items
|
||||
aFlexboxTestcase.items.forEach(function(aChildSpec) {
|
||||
// Create an element for our item
|
||||
let child = document.createElement("div");
|
||||
|
||||
// Set all the specified properties on our item
|
||||
for (let propName in aChildSpec) {
|
||||
// aChildSpec[propName] is either a specified value,
|
||||
// or an array of [specifiedValue, computedValue]
|
||||
let specifiedValue = Array.isArray(aChildSpec[propName]) ?
|
||||
aChildSpec[propName][0] :
|
||||
aChildSpec[propName];
|
||||
|
||||
// SANITY CHECK:
|
||||
if (Array.isArray(aChildSpec[propName])) {
|
||||
is(aChildSpec[propName].length, 2,
|
||||
"unexpected number of elements in array within child spec");
|
||||
}
|
||||
|
||||
let actualPropName = (propName in aPropertyMapping ?
|
||||
aPropertyMapping[propName] : propName);
|
||||
if (!gCSSProperties[actualPropName]) {
|
||||
ok(false, "Bug in test: property '" + actualPropName +
|
||||
"' doesn't exist in gCSSProperties");
|
||||
} else if (specifiedValue !== null) {
|
||||
let domPropName = gCSSProperties[actualPropName].domProp;
|
||||
child.style[domPropName] = specifiedValue;
|
||||
}
|
||||
}
|
||||
|
||||
// Append the item to the flex container
|
||||
flexContainer.appendChild(child);
|
||||
});
|
||||
|
||||
// Append the flex container
|
||||
content.appendChild(flexContainer);
|
||||
|
||||
// NOW: Test the computed style on the flex items
|
||||
let child = flexContainer.firstChild;
|
||||
for (let i = 0; i < aFlexboxTestcase.items.length; i++) {
|
||||
if (!child) { // sanity
|
||||
ok(false, "should have created a child for each child-spec");
|
||||
}
|
||||
|
||||
let childSpec = aFlexboxTestcase.items[i];
|
||||
for (let propName in childSpec) {
|
||||
if (Array.isArray(childSpec[propName])) {
|
||||
let expectedVal = childSpec[propName][1];
|
||||
let actualPropName = (propName in aPropertyMapping ?
|
||||
aPropertyMapping[propName] : propName);
|
||||
is(getComputedStyleWrapper(child, actualPropName), expectedVal,
|
||||
"computed value of '" + actualPropName + "' should match expected");
|
||||
}
|
||||
}
|
||||
|
||||
child = child.nextSibling;
|
||||
}
|
||||
|
||||
// Clean up: drop the flex container.
|
||||
content.removeChild(flexContainer);
|
||||
}
|
||||
|
||||
function main()
|
||||
{
|
||||
gFlexboxTestcases.forEach(
|
||||
function(aTestcase) {
|
||||
testFlexboxTestcase(aTestcase, "",
|
||||
gRowPropertyMapping);
|
||||
testFlexboxTestcase(aTestcase, "row",
|
||||
gRowPropertyMapping);
|
||||
testFlexboxTestcase(aTestcase, "row-reverse",
|
||||
gRowReversePropertyMapping);
|
||||
testFlexboxTestcase(aTestcase, "column",
|
||||
gColumnPropertyMapping);
|
||||
testFlexboxTestcase(aTestcase, "column-reverse",
|
||||
gColumnReversePropertyMapping);
|
||||
}
|
||||
);
|
||||
SimpleTest.finish();
|
||||
}
|
||||
|
||||
window.addEventListener("load", main, false);
|
||||
</script>
|
||||
</pre>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in New Issue
Block a user