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Bug 1347700 - Test async loading of content scripts. r=kmag

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This commit is contained in:
Tomislav Jovanovic 2017-03-19 17:24:25 +01:00
parent 3e464b85ce
commit 75553c637f
2 changed files with 55 additions and 0 deletions
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1
toolkit/components/extensions/test/mochitest/mochitest-common.ini
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@ -54,6 +54,7 @@ skip-if = os == 'android' # Android does not support multiple windows.
[test_ext_background_canvas.html]
[test_ext_content_security_policy.html]
[test_ext_contentscript_api_injection.html]
[test_ext_contentscript_async_loading.html]
[test_ext_contentscript_cache.html]
[test_ext_contentscript_context.html]
[test_ext_contentscript_create_iframe.html]

54
toolkit/components/extensions/test/mochitest/test_ext_contentscript_async_loading.html Normal file
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@ -0,0 +1,54 @@
<!doctype html>
<html>
<head>
<title>Test content script async loading</title>
<script src="/tests/SimpleTest/SpawnTask.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script src="head.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<script>
"use strict";
add_task(function* test_async_loading() {
const adder = `(function add(a = 1) { this.count += a; })();\n`;
const extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [{
matches: ["https://example.org/"],
js: ["first.js", "second.js"],
}],
},
files: {
"first.js": `
this.count = 0;
${adder.repeat(50000)}; // 2Mb
browser.test.assertEq(this.count, 50000, "A 50k line script");
this.order = (this.order || 0) + 1;
browser.test.sendMessage("first", this.order);
`,
"second.js": `
this.order = (this.order || 0) + 1;
browser.test.sendMessage("second", this.order);
`,
},
});
yield extension.startup();
const win = window.open("https://example.org/");
const [first, second] = yield Promise.all([
extension.awaitMessage("first"),
extension.awaitMessage("second"),
]);
is(first, 1, "first.js finished execution first.");
is(second, 2, "second.js finished execution second.");
yield extension.unload();
win.close();
});
</script>