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Diffstat (limited to 'editor/libeditor/tests/test_texteditor_keyevent_handling.html')
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diff --git a/editor/libeditor/tests/test_texteditor_keyevent_handling.html b/editor/libeditor/tests/test_texteditor_keyevent_handling.html new file mode 100644 index 0000000000..2c80181b3c --- /dev/null +++ b/editor/libeditor/tests/test_texteditor_keyevent_handling.html @@ -0,0 +1,471 @@ +<html> +<head> + <title>Test for key event handler of text editor</title> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" type="text/css" + href="chrome://mochikit/content/tests/SimpleTest/test.css" /> +</head> +<body> +<div id="display"> + <input type="text" id="inputField"> + <input type="password" id="passwordField"> + <textarea id="textarea"></textarea> +</div> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +</pre> + +<script class="testbody" type="application/javascript"> + +SimpleTest.waitForExplicitFinish(); +SimpleTest.waitForFocus(runTests, window); + +var inputField = document.getElementById("inputField"); +var passwordField = document.getElementById("passwordField"); +var textarea = document.getElementById("textarea"); + +const kIsMac = navigator.platform.includes("Mac"); +const kIsWin = navigator.platform.includes("Win"); +const kIsLinux = navigator.platform.includes("Linux"); + +async function runTests() { + var fm = SpecialPowers.Services.focus; + + var capturingPhase = { fired: false, prevented: false }; + var bubblingPhase = { fired: false, prevented: false }; + + var listener = { + handleEvent: function _hv(aEvent) { + is(aEvent.type, "keypress", "unexpected event is handled"); + switch (aEvent.eventPhase) { + case aEvent.CAPTURING_PHASE: + capturingPhase.fired = true; + capturingPhase.prevented = aEvent.defaultPrevented; + break; + case aEvent.BUBBLING_PHASE: + bubblingPhase.fired = true; + bubblingPhase.prevented = aEvent.defaultPrevented; + aEvent.preventDefault(); // prevent the browser default behavior + break; + default: + ok(false, "event is handled in unexpected phase"); + } + }, + }; + + function check(aDescription, + aFiredOnCapture, aFiredOnBubbling, aPreventedOnBubbling) { + function getDesciption(aExpected) { + return aDescription + (aExpected ? " wasn't " : " was "); + } + + is(capturingPhase.fired, aFiredOnCapture, + getDesciption(aFiredOnCapture) + "fired on capture phase"); + is(bubblingPhase.fired, aFiredOnBubbling, + getDesciption(aFiredOnBubbling) + "fired on bubbling phase"); + + // If the event is fired on bubbling phase and it was already prevented + // on capture phase, it must be prevented on bubbling phase too. + if (capturingPhase.prevented) { + todo(false, aDescription + + " was consumed already, so, we cannot test the editor behavior actually"); + aPreventedOnBubbling = true; + } + + is(bubblingPhase.prevented, aPreventedOnBubbling, + getDesciption(aPreventedOnBubbling) + "prevented on bubbling phase"); + } + + var parentElement = document.getElementById("display"); + SpecialPowers.addSystemEventListener(parentElement, "keypress", listener, + true); + SpecialPowers.addSystemEventListener(parentElement, "keypress", listener, + false); + + async function doTest(aElement, aDescription, aIsSingleLine, aIsReadonly) { + function reset(aText) { + capturingPhase.fired = false; + capturingPhase.prevented = false; + bubblingPhase.fired = false; + bubblingPhase.prevented = false; + aElement.value = aText; + } + + if (document.activeElement) { + document.activeElement.blur(); + } + + aDescription += ": "; + + aElement.focus(); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, aDescription + "failed to move focus"); + + // Backspace key: + // If native key bindings map the key combination to something, it's consumed. + // If editor is readonly, it doesn't consume. + // If editor is editable, it consumes backspace and shift+backspace. + // Otherwise, editor doesn't consume the event but the native key + // bindings on nsTextControlFrame may consume it. + reset(""); + synthesizeKey("KEY_Backspace"); + check(aDescription + "Backspace", true, true, true); + + reset(""); + synthesizeKey("KEY_Backspace", {shiftKey: true}); + check(aDescription + "Shift+Backspace", true, true, true); + + reset(""); + synthesizeKey("KEY_Backspace", {ctrlKey: true}); + // Win: cmd_deleteWordBackward + check(aDescription + "Ctrl+Backspace", + true, true, aIsReadonly || kIsWin); + + reset(""); + synthesizeKey("KEY_Backspace", {altKey: true}); + // Win: cmd_undo + // Mac: cmd_deleteWordBackward + check(aDescription + "Alt+Backspace", + true, true, aIsReadonly || kIsWin || kIsMac); + + reset(""); + synthesizeKey("KEY_Backspace", {metaKey: true}); + check(aDescription + "Meta+Backspace", true, true, aIsReadonly || kIsMac); + + // Delete key: + // If native key bindings map the key combination to something, it's consumed. + // If editor is readonly, it doesn't consume. + // If editor is editable, delete is consumed. + // Otherwise, editor doesn't consume the event but the native key + // bindings on nsTextControlFrame may consume it. + reset(""); + synthesizeKey("KEY_Delete"); + // Linux: native handler + // Mac: cmd_deleteCharForward + check(aDescription + "Delete", + true, true, !aIsReadonly || kIsLinux || kIsMac); + + reset(""); + // Win: cmd_cutOrDelete + // Linux: cmd_cut + // Mac: cmd_deleteCharForward + synthesizeKey("KEY_Delete", {shiftKey: true}); + check(aDescription + "Shift+Delete", + true, true, true); + + reset(""); + synthesizeKey("KEY_Delete", {ctrlKey: true}); + // Win: cmd_deleteWordForward + // Linux: cmd_copy + check(aDescription + "Ctrl+Delete", + true, true, kIsWin || kIsLinux); + + reset(""); + synthesizeKey("KEY_Delete", {altKey: true}); + // Mac: cmd_deleteWordForward + check(aDescription + "Alt+Delete", + true, true, kIsMac); + + reset(""); + synthesizeKey("KEY_Delete", {metaKey: true}); + // Linux: native handler consumed. + check(aDescription + "Meta+Delete", + true, true, kIsLinux); + + // XXX input.value returns "\n" when it's empty, so, we should use dummy + // value ("a") for the following tests. + + // Return key: + // If editor is readonly, it doesn't consume. + // If editor is editable and not single line editor, it consumes Return + // and Shift+Return. + // Otherwise, editor doesn't consume the event. + reset("a"); + synthesizeKey("KEY_Enter"); + check(aDescription + "Return", + true, true, !aIsSingleLine && !aIsReadonly); + is(aElement.value, !aIsSingleLine && !aIsReadonly ? "a\n" : "a", + aDescription + "Return"); + + reset("a"); + synthesizeKey("KEY_Enter", {shiftKey: true}); + check(aDescription + "Shift+Return", + true, true, !aIsSingleLine && !aIsReadonly); + is(aElement.value, !aIsSingleLine && !aIsReadonly ? "a\n" : "a", + aDescription + "Shift+Return"); + + reset("a"); + synthesizeKey("KEY_Enter", {ctrlKey: true}); + check(aDescription + "Ctrl+Return", true, true, false); + is(aElement.value, "a", aDescription + "Ctrl+Return"); + + reset("a"); + synthesizeKey("KEY_Enter", {altKey: true}); + check(aDescription + "Alt+Return", true, true, false); + is(aElement.value, "a", aDescription + "Alt+Return"); + + reset("a"); + synthesizeKey("KEY_Enter", {metaKey: true}); + check(aDescription + "Meta+Return", true, true, false); + is(aElement.value, "a", aDescription + "Meta+Return"); + + // Tab key: + // Editor consumes tab key event unless any modifier keys are pressed. + reset("a"); + synthesizeKey("KEY_Tab"); + check(aDescription + "Tab", true, true, false); + is(aElement.value, "a", aDescription + "Tab"); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, + aDescription + "focus moved unexpectedly (Tab)"); + aElement.focus(); + + reset("a"); + synthesizeKey("KEY_Tab", {shiftKey: true}); + check(aDescription + "Shift+Tab", true, true, false); + is(aElement.value, "a", aDescription + "Shift+Tab"); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, + aDescription + "focus moved unexpectedly (Shift+Tab)"); + + // Ctrl+Tab should be consumed by tabbrowser at keydown, so, keypress + // event should never be fired. + reset("a"); + synthesizeKey("KEY_Tab", {ctrlKey: true}); + check(aDescription + "Ctrl+Tab", false, false, false); + is(aElement.value, "a", aDescription + "Ctrl+Tab"); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, + aDescription + "focus moved unexpectedly (Ctrl+Tab)"); + + reset("a"); + synthesizeKey("KEY_Tab", {altKey: true}); + check(aDescription + "Alt+Tab", true, true, false); + is(aElement.value, "a", aDescription + "Alt+Tab"); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, + aDescription + "focus moved unexpectedly (Alt+Tab)"); + + reset("a"); + synthesizeKey("KEY_Tab", {metaKey: true}); + check(aDescription + "Meta+Tab", true, true, false); + is(aElement.value, "a", aDescription + "Meta+Tab"); + is(SpecialPowers.unwrap(fm.focusedElement), aElement, + aDescription + "focus moved unexpectedly (Meta+Tab)"); + + // Esc key: + // In all cases, esc key events are not consumed + reset("abc"); + synthesizeKey("KEY_Escape"); + check(aDescription + "Esc", true, true, false); + + reset("abc"); + synthesizeKey("KEY_Escape", {shiftKey: true}); + check(aDescription + "Shift+Esc", true, true, false); + + reset("abc"); + synthesizeKey("KEY_Escape", {ctrlKey: true}); + check(aDescription + "Ctrl+Esc", true, true, false); + + reset("abc"); + synthesizeKey("KEY_Escape", {altKey: true}); + check(aDescription + "Alt+Esc", true, true, false); + + reset("abc"); + synthesizeKey("KEY_Escape", {metaKey: true}); + check(aDescription + "Meta+Esc", true, true, false); + + // typical typing tests: + reset(""); + sendString("M"); + check(aDescription + "M", true, true, !aIsReadonly); + sendString("o"); + check(aDescription + "o", true, true, !aIsReadonly); + sendString("z"); + check(aDescription + "z", true, true, !aIsReadonly); + sendString("i"); + check(aDescription + "i", true, true, !aIsReadonly); + sendString("l"); + check(aDescription + "l", true, true, !aIsReadonly); + sendString("l"); + check(aDescription + "l", true, true, !aIsReadonly); + sendString("a"); + check(aDescription + "a", true, true, !aIsReadonly); + sendString(" "); + check(aDescription + "' '", true, true, !aIsReadonly); + is(aElement.value, !aIsReadonly ? "Mozilla " : "", + aDescription + "typed \"Mozilla \""); + + // typing non-BMP character: + async function test_typing_surrogate_pair( + aTestPerSurrogateKeyPress, + aTestIllFormedUTF16KeyValue = false + ) { + await SpecialPowers.pushPrefEnv({ + set: [ + ["dom.event.keypress.dispatch_once_per_surrogate_pair", !aTestPerSurrogateKeyPress], + ["dom.event.keypress.key.allow_lone_surrogate", aTestIllFormedUTF16KeyValue], + ], + }); + reset(""); + let events = []; + function pushIntoEvents(aEvent) { + events.push(aEvent); + } + function getEventData(aKeyboardEventOrInputEvent) { + if (!aKeyboardEventOrInputEvent) { + return "{}"; + } + switch (aKeyboardEventOrInputEvent.type) { + case "keydown": + case "keypress": + case "keyup": + return `{ type: "${aKeyboardEventOrInputEvent.type}", key="${ + aKeyboardEventOrInputEvent.key + }", charCode=0x${ + aKeyboardEventOrInputEvent.charCode.toString(16).toUpperCase() + } }`; + default: + return `{ type: "${aKeyboardEventOrInputEvent.type}", inputType="${ + aKeyboardEventOrInputEvent.inputType + }", data="${aKeyboardEventOrInputEvent.data}" }`; + } + } + function getEventArrayData(aEvents) { + if (!aEvents.length) { + return "[]"; + } + let result = "[\n"; + for (const e of aEvents) { + result += ` ${getEventData(e)}\n`; + } + return result + "]"; + } + aElement.addEventListener("keydown", pushIntoEvents); + aElement.addEventListener("keypress", pushIntoEvents); + aElement.addEventListener("keyup", pushIntoEvents); + aElement.addEventListener("beforeinput", pushIntoEvents); + aElement.addEventListener("input", pushIntoEvents); + synthesizeKey("\uD842\uDFB7"); + aElement.removeEventListener("keydown", pushIntoEvents); + aElement.removeEventListener("keypress", pushIntoEvents); + aElement.removeEventListener("keyup", pushIntoEvents); + aElement.removeEventListener("beforeinput", pushIntoEvents); + aElement.removeEventListener("input", pushIntoEvents); + const settingDescription = + `aTestPerSurrogateKeyPress=${ + aTestPerSurrogateKeyPress + }, aTestIllFormedUTF16KeyValue=${aTestIllFormedUTF16KeyValue}`; + const allowIllFormedUTF16 = + aTestPerSurrogateKeyPress && aTestIllFormedUTF16KeyValue; + + check(`${aDescription}, ${settingDescription}a surrogate pair`, true, true, !aIsReadonly); + is( + aElement.value, + !aIsReadonly ? "\uD842\uDFB7" : "", + `${aDescription}, ${ + settingDescription + }, The typed surrogate pair should've been inserted` + ); + if (aIsReadonly) { + is( + getEventArrayData(events), + getEventArrayData( + // eslint-disable-next-line no-nested-ternary + aTestPerSurrogateKeyPress + ? ( + allowIllFormedUTF16 + ? [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842", charCode: 0xD842 }, + { type: "keypress", key: "\uDFB7", charCode: 0xDFB7 }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + : [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842\uDFB7", charCode: 0xD842 }, + { type: "keypress", key: "", charCode: 0xDFB7 }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + ) + : [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842\uDFB7", charCode: 0x20BB7 }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + ), + `${aDescription}, ${ + settingDescription + }, Typing a surrogate pair in readonly editor should not cause input events` + ); + } else { + is( + getEventArrayData(events), + getEventArrayData( + // eslint-disable-next-line no-nested-ternary + aTestPerSurrogateKeyPress + ? ( + allowIllFormedUTF16 + ? [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842", charCode: 0xD842 }, + { type: "beforeinput", data: "\uD842", inputType: "insertText" }, + { type: "input", data: "\uD842", inputType: "insertText" }, + { type: "keypress", key: "\uDFB7", charCode: 0xDFB7 }, + { type: "beforeinput", data: "\uDFB7", inputType: "insertText" }, + { type: "input", data: "\uDFB7", inputType: "insertText" }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + : [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842\uDFB7", charCode: 0xD842 }, + { type: "beforeinput", data: "\uD842\uDFB7", inputType: "insertText" }, + { type: "input", data: "\uD842\uDFB7", inputType: "insertText" }, + { type: "keypress", key: "", charCode: 0xDFB7 }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + ) + : [ + { type: "keydown", key: "\uD842\uDFB7", charCode: 0 }, + { type: "keypress", key: "\uD842\uDFB7", charCode: 0x20BB7 }, + { type: "beforeinput", data: "\uD842\uDFB7", inputType: "insertText" }, + { type: "input", data: "\uD842\uDFB7", inputType: "insertText" }, + { type: "keyup", key: "\uD842\uDFB7", charCode: 0 }, + ] + ), + `${aDescription}, ${ + settingDescription + }, Typing a surrogate pair in editor should cause input events` + ); + } + } + await test_typing_surrogate_pair(true, true); + await test_typing_surrogate_pair(true, false); + await test_typing_surrogate_pair(false); + } + + await doTest(inputField, "<input type=\"text\">", true, false); + + inputField.setAttribute("readonly", "readonly"); + await doTest(inputField, "<input type=\"text\" readonly>", true, true); + + await doTest(passwordField, "<input type=\"password\">", true, false); + + passwordField.setAttribute("readonly", "readonly"); + await doTest(passwordField, "<input type=\"password\" readonly>", true, true); + + await doTest(textarea, "<textarea>", false, false); + + textarea.setAttribute("readonly", "readonly"); + await doTest(textarea, "<textarea readonly>", false, true); + + SpecialPowers.removeSystemEventListener(parentElement, "keypress", listener, + true); + SpecialPowers.removeSystemEventListener(parentElement, "keypress", listener, + false); + + SimpleTest.finish(); +} + +</script> +</body> + +</html> |