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test_bug1230473.html
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test_bug1230473.html
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1230473
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1230473</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1230473">Mozilla Bug 1230473</a>
<input id="input">
<textarea id="textarea"></textarea>
<div id="div" contenteditable></div>
<script type="application/javascript">
/** Test for Bug 1230473 **/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
function runTest(aEditor) {
function committer() {
aEditor.blur();
aEditor.focus();
}
function isNSEditableElement() {
return aEditor.tagName.toLowerCase() == "input" || aEditor.tagName.toLowerCase() == "textarea";
}
function value() {
return isNSEditableElement() ? aEditor.value : aEditor.textContent;
}
function isComposing() {
return isNSEditableElement() ? SpecialPowers.wrap(aEditor)
.editor
.composing :
SpecialPowers.wrap(window)
.docShell
.editor
.composing;
}
function clear() {
if (isNSEditableElement()) {
aEditor.value = "";
} else {
aEditor.textContent = "";
}
}
clear();
// FYI: Chrome commits composition if blur() and focus() are called during
// composition. But note that if they are called by compositionupdate
// listener, the behavior is unstable. On Windows, composition is
// canceled. On Linux and macOS, the composition is committed
// internally but the string keeps underlined. If they are called
// by input event listener, committed on any platforms though.
// On the other hand, Edge and Safari keeps composition even with
// calling both blur() and focus().
// Committing at compositionstart
aEditor.focus();
aEditor.addEventListener("compositionstart", committer, true);
synthesizeCompositionChange({ composition: { string: "a", clauses: [{length: 1, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 1, length: 0 }, key: { key: "a" }});
aEditor.removeEventListener("compositionstart", committer, true);
ok(!isComposing(), "composition in " + aEditor.id + " should be committed by compositionstart event handler");
is(value(), "", "composition in " + aEditor.id + " shouldn't insert any text since it's committed at compositionstart");
clear();
// Committing at first compositionupdate
aEditor.focus();
aEditor.addEventListener("compositionupdate", committer, true);
synthesizeCompositionChange({ composition: { string: "a", clauses: [{length: 1, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 1, length: 0 }, key: { key: "a" }});
aEditor.removeEventListener("compositionupdate", committer, true);
ok(!isComposing(), "composition in " + aEditor.id + " should be committed by compositionupdate event handler");
is(value(), "a", "composition in " + aEditor.id + " should have \"a\" since IME committed with it");
clear();
// Committing at first text (eCompositionChange)
if (!SpecialPowers.getBoolPref("dom.compositionevent.text.dispatch_only_system_group_in_content")) {
aEditor.focus();
aEditor.addEventListener("text", committer, true);
synthesizeCompositionChange({ composition: { string: "a", clauses: [{length: 1, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 1, length: 0 }, key: { key: "a" }});
aEditor.removeEventListener("text", committer, true);
ok(!isComposing(), "composition in " + aEditor.id + " should be committed by text event handler");
is(value(), "", "composition in " + aEditor.id + " should have inserted any text since it's committed at first text");
clear();
}
// Committing at second compositionupdate
aEditor.focus();
// FYI: "compositionstart" will be dispatched automatically.
synthesizeCompositionChange({ composition: { string: "a", clauses: [{length: 1, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 1, length: 0 }, key: { key: "a" }});
ok(isComposing(), "composition should be in " + aEditor.id + " before dispatching second compositionupdate");
is(value(), "a", "composition in " + aEditor.id + " should be 'a' before dispatching second compositionupdate");
aEditor.addEventListener("compositionupdate", committer, true);
synthesizeCompositionChange({ composition: { string: "ab", clauses: [{length: 2, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 2, length: 0 }, key: { key: "b" }});
aEditor.removeEventListener("compositionupdate", committer, true);
ok(!isComposing(), "composition in " + aEditor.id + " should be committed by compositionupdate event handler");
is(value(), "ab", "composition in " + aEditor.id + " should have \"ab\" since IME committed with it");
clear();
// Committing at second text (eCompositionChange)
if (!SpecialPowers.getBoolPref("dom.compositionevent.text.dispatch_only_system_group_in_content")) {
aEditor.focus();
// FYI: "compositionstart" will be dispatched automatically.
synthesizeCompositionChange({ composition: { string: "a", clauses: [{length: 1, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 1, length: 0 }, key: { key: "a" }});
ok(isComposing(), "composition should be in " + aEditor.id + " before dispatching second text");
is(value(), "a", "composition in " + aEditor.id + " should be 'a' before dispatching second text");
aEditor.addEventListener("text", committer, true);
synthesizeCompositionChange({ composition: { string: "ab", clauses: [{length: 2, attr: COMPOSITION_ATTR_RAW_CLAUSE }] },
caret: { start: 2, length: 0 }, key: { key: "b" }});
aEditor.removeEventListener("text", committer, true);
ok(!isComposing(), "composition in " + aEditor.id + " should be committed by text event handler");
is(value(), "ab", "composition in " + aEditor.id + " should have \"ab\" since IME committed with it");
clear();
}
}
runTest(document.getElementById("input"));
runTest(document.getElementById("textarea"));
runTest(document.getElementById("div"));
SimpleTest.finish();
});
</script>
</body>
</html>