2012-03-12 21:45:00 -07:00
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<!DOCTYPE HTML>
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<html>
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https://bugzilla.mozilla.org/show_bug.cgi?id=721569
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-->
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<head>
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<title>Test for Blob constructor (Bug 721569)</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="fileutils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=721569">Mozilla Bug 721569</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript;version=1.7">
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"use strict";
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/** Test for Bug 721569 **/
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var blob = Blob();
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ok(blob, "Blob should exist");
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ok(blob.size !== undefined, "Blob should have a size property");
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ok(blob.type !== undefined, "Blob should have a type property");
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ok(blob.slice, "Blob should have a slice method");
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blob = Blob([], {type: null});
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ok(blob, "Blob should exist");
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is(blob.type, "null", "Blob type should be stringified");
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blob = Blob([], {type: undefined});
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ok(blob, "Blob should exist");
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2013-06-17 10:07:03 -07:00
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is(blob.type, "", "Blob type should be treated as missing");
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2012-03-12 21:45:00 -07:00
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try {
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blob = Blob([]);
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ok(true, "an empty blobParts argument should not throw");
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} catch(e) {
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ok(false, "NOT REACHED");
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}
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try {
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blob = Blob(null);
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ok(false, "NOT REACHED");
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} catch(e) {
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ok(true, "a null blobParts member should throw");
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}
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try {
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blob = Blob([], null);
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2012-06-30 07:03:27 -07:00
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ok(true, "a null options member should not throw");
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2012-03-12 21:45:00 -07:00
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} catch(e) {
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2012-06-30 07:03:27 -07:00
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ok(false, "NOT REACHED");
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2012-03-12 21:45:00 -07:00
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}
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try {
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blob = Blob([], undefined);
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2012-06-30 07:03:27 -07:00
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ok(true, "an undefined options member should not throw");
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} catch(e) {
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ok(false, "NOT REACHED");
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}
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try {
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blob = Blob([], false);
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ok(false, "NOT REACHED");
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} catch(e) {
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ok(true, "a boolean options member should throw");
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}
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try {
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blob = Blob([], 0);
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ok(false, "NOT REACHED");
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} catch(e) {
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ok(true, "a numeric options member should throw");
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}
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try {
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blob = Blob([], "");
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2012-03-12 21:45:00 -07:00
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ok(false, "NOT REACHED");
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} catch(e) {
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2012-06-30 07:03:27 -07:00
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ok(true, "a string options member should throw");
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2012-03-12 21:45:00 -07:00
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}
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2012-04-03 17:08:28 -07:00
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/** Test for dictionary initialization order **/
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(function() {
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var o = {};
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var p = {type: "text/plain", endings: "transparent"};
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var called = [];
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function add_to_called(n) {
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called.push(n);
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return p[n];
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}
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["type", "endings"].forEach(function(n) {
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Object.defineProperty(o, n, { get: add_to_called.bind(null, n) });
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});
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var b = new Blob([], o);
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is(JSON.stringify(called), JSON.stringify(["endings", "type"]), "dictionary members should be get in lexicographical order");
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})();
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2012-03-12 21:45:00 -07:00
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let blob1 = Blob(["squiggle"]);
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ok(blob1 instanceof Blob, "Blob constructor should produce Blobs");
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ok(!(blob1 instanceof File), "Blob constructor should not produce Files");
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is(blob1.type, "", "Blob constructor with no options should return Blob with empty type");
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is(blob1.size, 8, "Blob constructor should return Blob with correct size");
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let blob2 = Blob(["steak"], {type: "content/type"});
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ok(blob2 instanceof Blob, "Blob constructor should produce Blobs");
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ok(!(blob2 instanceof File), "Blob constructor should not produce Files");
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is(blob2.type, "content/type", "Blob constructor with a type option should return Blob with the type");
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is(blob2.size, 5, "Blob constructor should return Blob with correct size");
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let aB = new ArrayBuffer(16);
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var int8View = new Int8Array(aB);
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for (var i = 0; i < 16; i++) {
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int8View[i] = i+65;
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}
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let testData =
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[
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// Test 3 strings
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[["foo", "bar", "baz"], {},
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[{start: 0, length: 9, contents: "foobarbaz"},
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{start: 0, length: 3, contents: "foo"},
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{start: 3, length:6, contents: "barbaz"},
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{start: 6, length: 3, contents: "baz"},
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{start: 6, length: 6, contents: "baz"},
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{start: 0, length: 9, contents: "foobarbaz"},
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{start: 0, length: 11, contents: "foobarbaz"},
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{start: 10, length: 5, contents: ""}]],
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// Test string, Blob, string
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[["foo", blob1, "baz"], {},
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[{start: 0, length: 3, contents: "foo"},
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{start: 3, length: 8, contents: "squiggle"},
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{start: 2, length: 2, contents: "os"},
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{start: 10, length: 2, contents: "eb"}]],
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// Test blob, string, blob
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[[blob1, "foo", blob1], {},
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[{start: 0, length: 8, contents: "squiggle"},
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{start: 7, length: 2, contents: "ef"},
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{start: 10, length: 2, contents: "os"},
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{start: 1, length: 3, contents: "qui"},
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{start: 12, length: 3, contents: "qui"},
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{start: 40, length: 20, contents: ""}]],
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// Test blobs all the way down
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[[blob2, blob1, blob2], {},
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[{start: 0, length: 5, contents: "steak"},
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{start: 5, length: 8, contents: "squiggle"},
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{start: 13, length: 5, contents: "steak"},
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{start: 1, length: 2, contents: "te"},
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{start: 6, length: 4, contents: "quig"}]],
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// Test an array buffer
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[[aB, blob1, "foo"], {},
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[{start: 0, length: 8, contents: "ABCDEFGH"},
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{start: 8, length:10, contents: "IJKLMNOPsq"},
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{start: 17, length: 3, contents: "qui"},
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{start: 4, length: 8, contents: "EFGHIJKL"}]],
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2012-05-17 14:53:44 -07:00
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// Test an ArrayBufferView
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[[int8View, blob1, "foo"], {},
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[{start: 0, length: 8, contents: "ABCDEFGH"},
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{start: 8, length:10, contents: "IJKLMNOPsq"},
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{start: 17, length: 3, contents: "qui"},
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{start: 4, length: 8, contents: "EFGHIJKL"}]],
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// Test a partial ArrayBufferView
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[[new Uint8Array(aB, 3, 5), blob1, "foo"], {},
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[{start: 0, length: 8, contents: "DEFGHsqu"},
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{start: 8, length:10, contents: "igglefoo"},
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{start: 4, length: 8, contents: "Hsquiggl"}]],
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2012-03-12 21:45:00 -07:00
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// Test transparent line endings
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[["foo\r\n", "bar\r", "baz\n"], { endings: "transparent" },
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[{start: 0, length: 5, contents: "foo\r\n"},
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{start: 5, length: 4, contents: "bar\r"},
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{start: 9, length: 4, contents: "baz\n"}]],
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// Test transparent line endings when the second argument is omitted
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[["foo\r\n", "bar\r", "baz\n"], undefined,
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[{start: 0, length: 5, contents: "foo\r\n"},
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{start: 5, length: 4, contents: "bar\r"},
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{start: 9, length: 4, contents: "baz\n"}]],
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// Test native line endings
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[["foo\r\n", "bar\r", "baz\n"], { endings: "native" },
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navigator.platform.indexOf("Win") != -1 ?
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[{start: 0, length: 5, contents: "foo\r\n"},
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{start: 5, length: 5, contents: "bar\r\n"},
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{start: 10, length: 5, contents: "baz\r\n"}] :
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[{start: 0, length: 4, contents: "foo\n"},
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{start: 4, length: 4, contents: "bar\n"},
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{start: 8, length: 4, contents: "baz\n"}]],
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// Test type coercion of a number
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2012-05-17 14:53:44 -07:00
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[[3, int8View, "foo"], {},
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[{start: 0, length: 8, contents: "3ABCDEFG"},
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{start: 8, length:10, contents: "HIJKLMNOPf"},
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{start: 17, length: 4, contents: "foo"},
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{start: 4, length: 8, contents: "DEFGHIJK"}]]
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2012-03-12 21:45:00 -07:00
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];
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let testCounter = 0;
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function doTest(data) {
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testCounter++;
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[blobs, options, tests] = data;
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function runTest(test) {
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let blob;
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if (options !== undefined) {
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blob = new Blob(blobs, options);
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} else {
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blob = new Blob(blobs);
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}
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ok(blob, "Test " + testCounter + " got blob");
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ok(blob instanceof Blob, "Test " + testCounter + " blob is a Blob");
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ok(!(blob instanceof File), "Test " + testCounter + " blob is not a File");
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let slice = blob.slice(test.start, test.start + test.length);
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ok(slice, "Test " + testCounter + " got slice");
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ok(slice instanceof Blob, "Test " + testCounter + " slice is a Blob");
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ok(!(slice instanceof File), "Test " + testCounter + " slice is not a File");
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is(slice.size, test.contents.length,
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"Test " + testCounter + " slice is correct size");
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testFile(slice, test.contents, "Test " + testCounter);
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}
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if (Array.isArray(tests)) {
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tests.forEach(runTest);
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} else {
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try {
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let blob = new Blob(blobs, options);
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ok(false, "NOT REACHED");
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} catch (e) {
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is(e.name, tests, "Blob constructor should throw " + tests);
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}
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}
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SpecialPowers.gc();
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}
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SimpleTest.waitForExplicitFinish();
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testData.forEach(doTest);
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</script>
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</pre>
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</body>
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</html>
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