forked from mirrors/gecko-dev
89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
/* 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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"use strict";
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const TEST_PATH = getRootDirectory(gTestPath).replace(
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"chrome://mochitests/content",
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"http://example.com"
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);
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add_task(async function test_loading_withHash() {
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await BrowserTestUtils.withNewTab(
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TEST_PATH + "readerModeArticle.html#foo",
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async function (browser) {
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let pageShownPromise = BrowserTestUtils.waitForContentEvent(
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browser,
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"AboutReaderContentReady"
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);
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let readerButton = document.getElementById("reader-mode-button");
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readerButton.click();
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await pageShownPromise;
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await SpecialPowers.spawn(browser, [], async function () {
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let foo = content.document.getElementById("foo");
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ok(foo, "foo element should be in document");
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let { scrollTop } = content.document.documentElement;
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if (scrollTop == 0) {
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await ContentTaskUtils.waitForEvent(content.document, "scroll");
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({ scrollTop } = content.document.documentElement);
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}
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let { offsetTop } = foo;
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Assert.lessOrEqual(
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Math.abs(scrollTop - offsetTop),
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1,
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`scrollTop (${scrollTop}) should be within 1 CSS pixel of offsetTop (${offsetTop})`
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);
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});
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}
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);
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});
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add_task(async function test_loading_withoutHash() {
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await BrowserTestUtils.withNewTab(
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TEST_PATH + "readerModeArticle.html",
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async function (browser) {
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let pageShownPromise = BrowserTestUtils.waitForContentEvent(
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browser,
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"AboutReaderContentReady"
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);
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let pageLoadedPromise = BrowserTestUtils.waitForContentEvent(
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browser,
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"load",
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true
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);
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let readerButton = document.getElementById("reader-mode-button");
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readerButton.click();
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await Promise.all([pageShownPromise, pageLoadedPromise]);
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await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async () => {
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Assert.equal(
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content.document.documentElement.scrollTop,
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0,
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"scrollTop should be 0"
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);
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});
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let scrollEventPromise = BrowserTestUtils.waitForContentEvent(
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browser,
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"scroll",
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true
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);
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await BrowserTestUtils.synthesizeMouseAtCenter(
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"#foo-anchor",
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{},
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browser
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);
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await scrollEventPromise;
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await SpecialPowers.spawn(browser, [], async function () {
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let foo = content.document.getElementById("foo");
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ok(foo, "foo element should be in document");
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let { scrollTop } = content.document.documentElement;
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let { offsetTop } = foo;
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Assert.lessOrEqual(
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Math.abs(scrollTop - offsetTop),
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1,
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`scrollTop (${scrollTop}) should be within 1 CSS pixel of offsetTop (${offsetTop})`
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);
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});
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}
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);
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});
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