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test_keypress_event_with_alt_on_mac.html
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<!DOCTYPE html>
<html>
<head>
<title>Testing if keypress event is fired when alt key is pressed</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/NativeKeyCodes.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
</head>
<body>
<div id="display">
<input id="input">
<input id="password" type="password">
<input id="readonly-input" readonly>
<textarea id="textarea"></textarea>
<textarea id="readonly-textarea" readonly></textarea>
<button id="button">button</button>
</div>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
async function testNativeKey(aKeyboardLayout, aNativeKeyCode, aModifiers,
aChars, aUnmodifiedChars) {
// XXX Need to listen keyup event here because synthesizeNativeKey() does not
// guarantee that its callback will be called after "keypress" and "keyup".
let waitForKeyUp = new Promise(resolve => {
document.addEventListener("keyup", resolve, {once: true});
});
let keypress;
document.addEventListener("keypress", (aKeyPressEvent) => {
keypress = aKeyPressEvent;
}, {once: true});
synthesizeNativeKey(aKeyboardLayout, aNativeKeyCode, aModifiers, aChars, aUnmodifiedChars);
await waitForKeyUp;
return keypress;
}
async function runTests() {
const kTests =
[ { target: "input", isEditable: true },
{ target: "password", isEditable: true },
{ target: "readonly-input", isEditable: false },
{ target: "textarea", isEditable: true },
{ target: "readonly-textarea", isEditable: false },
{ target: "button", isEditable: false } ];
for (const kTest of kTests) {
let element = document.getElementById(kTest.target);
element.focus();
const kDescription = kTest.target + ": ";
let keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {}, "a", "a");
ok(keypress,
kDescription + "'a' key press should cause firing keypress event");
keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {shiftKey: true}, "A", "A");
ok(keypress,
kDescription + "'a' key press with shift key should cause firing keypress event");
ok(keypress.shiftKey,
kDescription + "shiftKey of 'a' key press with shift key should be true");
// When a key inputs a character with option key, we need to unset altKey for our editor.
// Otherwise, altKey should be true for compatibility with the other browsers.
keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {altKey: true}, "\u00E5", "a");
ok(keypress,
kDescription + "'a' key press with option key should cause firing keypress event");
is(keypress.altKey, !kTest.isEditable,
kDescription + "altKey of 'a' key press with option key should be " + !kTest.isEditable);
keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {altKey: true, shiftKey: true}, "\u00C5", "A");
ok(keypress,
kDescription + "'a' key press with option key and shift key should cause firing keypress event");
is(keypress.altKey, !kTest.isEditable,
kDescription + "altKey of 'a' key press with option key and shift key should be " + !kTest.isEditable);
ok(keypress.shiftKey,
kDescription + "shiftKey of 'a' key press with option key and shift key should be true");
keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {ctrlKey: true}, "\u0001", "a");
ok(!keypress,
kDescription + "'a' key press with control key should not cause firing keypress event");
keypress = await testNativeKey(KEYBOARD_LAYOUT_EN_US, MAC_VK_ANSI_A, {altKey: true, ctrlKey: true}, "\u0001", "a");
ok(!keypress,
kDescription + "'a' key press with option key and control key should not cause firing keypress event");
// XXX Cannot test with command key for now since keyup event won't be fired due to macOS's limitation.
// Some keys of Arabic - PC keyboard layout do not input any character with option key.
// In such case, we shouldn't dispatch keypress event.
keypress = await testNativeKey(KEYBOARD_LAYOUT_ARABIC_PC, MAC_VK_ANSI_7, {altKey: true}, "", "\u0667");
ok(!keypress,
kDescription + "'7' key press with option key should not cause firing keypress event");
}
SimpleTest.finish();
}
SimpleTest.waitForFocus(runTests);
</script>
</body>
</html>