зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
4.2 KiB
JavaScript
122 строки
4.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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importScripts("utils_worker.js"); // Test suite code
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info("Test suite configured");
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importScripts("resource://gre/modules/workers/require.js");
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info("Loader imported");
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var PATH = "chrome://mochitests/content/chrome/toolkit/components/workerloader/tests/";
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var tests = [];
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var add_test = function(test) {
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tests.push(test);
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};
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add_test(function test_setup() {
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ok(typeof require != "undefined", "Function |require| is defined");
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});
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// Test simple loading (moduleA-depends.js requires moduleB-dependency.js)
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add_test(function test_load() {
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let A = require(PATH + "moduleA-depends.js");
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ok(true, "Opened module A");
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is(A.A, true, "Module A exported value A");
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ok(!("B" in A), "Module A did not export value B");
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is(A.importedFoo, "foo", "Module A re-exported B.foo");
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// re-evaluating moduleB-dependency.js would cause an error, but re-requiring it shouldn't
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let B = require(PATH + "moduleB-dependency.js");
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ok(true, "Managed to re-require module B");
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is(B.B, true, "Module B exported value B");
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is(B.foo, "foo", "Module B exported value foo");
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});
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// Test simple circular loading (moduleC-circular.js and moduleD-circular.js require each other)
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add_test(function test_circular() {
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let C = require(PATH + "moduleC-circular.js");
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ok(true, "Loaded circular modules C and D");
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is(C.copiedFromD.copiedFromC.enteredC, true, "Properties exported by C before requiring D can be seen by D immediately");
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let D = require(PATH + "moduleD-circular.js");
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is(D.exportedFromC.finishedC, true, "Properties exported by C after requiring D can be seen by D eventually");
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});
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// Testing error cases
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add_test(function test_exceptions() {
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let should_throw = function(f) {
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try {
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f();
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return null;
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} catch (ex) {
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return ex;
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}
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};
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let exn = should_throw(() => require(PATH + "this module doesn't exist"));
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ok(!!exn, "Attempting to load a module that doesn't exist raises an error");
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exn = should_throw(() => require(PATH + "moduleE-throws-during-require.js"));
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ok(!!exn, "Attempting to load a module that throws at toplevel raises an error");
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is(exn.moduleName, PATH + "moduleE-throws-during-require.js",
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"moduleName is correct");
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isnot(exn.moduleStack.indexOf("moduleE-throws-during-require.js"), -1,
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"moduleStack contains the name of the module");
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is(exn.lineNumber, 10, "The error comes with the right line number");
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exn = should_throw(() => require(PATH + "moduleF-syntaxerror.xml"));
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ok(!!exn, "Attempting to load a non-well formatted module raises an error");
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exn = should_throw(() => require(PATH + "moduleG-throws-later.js").doThrow());
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ok(!!exn, "G.doThrow() has raised an error");
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info(exn);
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ok(exn.toString().startsWith("TypeError"), "The exception is a TypeError.");
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is(exn.moduleName, PATH + "moduleG-throws-later.js", "The name of the module is correct");
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isnot(exn.moduleStack.indexOf("moduleG-throws-later.js"), -1,
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"The name of the right file appears somewhere in the stack");
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is(exn.lineNumber, 11, "The error comes with the right line number");
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});
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function get_exn(f) {
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try {
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f();
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return undefined;
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} catch (ex) {
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return ex;
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}
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}
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// Test module.exports
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add_test(function test_module_dot_exports() {
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let H = require(PATH + "moduleH-module-dot-exports.js");
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is(H.key, "value", "module.exports worked");
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let H2 = require(PATH + "moduleH-module-dot-exports.js");
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is(H2.key, "value", "module.exports returned the same key");
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ok(H2 === H, "module.exports returned the same module the second time");
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let exn = get_exn(() => H.key = "this should not be accepted");
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ok(exn instanceof TypeError, "Cannot alter value in module.exports after export");
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exn = get_exn(() => H.key2 = "this should not be accepted, either");
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ok(exn instanceof TypeError, "Cannot add value to module.exports after export");
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});
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self.onmessage = function(message) {
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for (let test of tests) {
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info("Entering " + test.name);
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try {
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test();
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} catch (ex) {
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ok(false, "Test " + test.name + " failed");
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info(ex);
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info(ex.stack);
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}
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info("Leaving " + test.name);
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}
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finish();
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};
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