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71 lines
2.9 KiB
JavaScript
71 lines
2.9 KiB
JavaScript
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var errors = require("sdk/deprecated/errors");
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exports.testCatchAndLog = function(test) {
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var caught = [];
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function dummyLog(e) { caught.push(e); }
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var wrapped = errors.catchAndLog(function(x) {
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throw Error("blah" + x + this);
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},
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"boop",
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dummyLog);
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test.assertEqual(wrapped.call("hi", 1), "boop",
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"exceptions should be trapped, def. resp. returned");
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test.assertEqual(caught.length, 1,
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"logging function should be called");
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test.assertEqual(caught[0].message, "blah1hi",
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"args and this should be passed to wrapped func");
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};
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exports.testCatchAndLogProps = function(test) {
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var caught = [];
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function dummyLog(e) { caught.push(e); }
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var thing = {
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foo: function(x) { throw Error("nowai" + x); },
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bar: function() { throw Error("blah"); },
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baz: function() { throw Error("fnarg"); }
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};
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errors.catchAndLogProps(thing, "foo", "ugh", dummyLog);
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test.assertEqual(thing.foo(1), "ugh",
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"props should be wrapped");
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test.assertEqual(caught.length, 1,
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"logging function should be called");
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test.assertEqual(caught[0].message, "nowai1",
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"args should be passed to wrapped func");
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test.assertRaises(function() { thing.bar(); },
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"blah",
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"non-wrapped props should be wrapped");
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errors.catchAndLogProps(thing, ["bar", "baz"], "err", dummyLog);
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test.assert((thing.bar() == thing.baz()) &&
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(thing.bar() == "err"),
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"multiple props should be wrapped if array passed in");
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};
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exports.testCatchAndReturn = function(test) {
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var wrapped = errors.catchAndReturn(function(x) {
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if (x == 1)
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return "one";
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if (x == 2)
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throw new Error("two");
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return this + x;
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});
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test.assertEqual(wrapped(1).returnValue, "one",
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"arg should be passed; return value should be returned");
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test.assert(wrapped(2).exception, "exception should be returned");
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test.assertEqual(wrapped(2).exception.message, "two", "message is correct");
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test.assert(wrapped(2).exception.fileName.indexOf("test-errors.js") != -1,
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"filename is present");
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test.assert(wrapped(2).exception.stack, "stack is available");
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test.assertEqual(wrapped.call("hi", 3).returnValue, "hi3",
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"`this` should be set correctly");
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};
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