gecko-dev/browser/devtools/debugger/test/browser_dbg_variables-view-accessibility.js

558 lines
20 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Make sure that the variables view is keyboard accessible.
*/
let gTab, gDebuggee, gPanel, gDebugger;
let gVariablesView;
function test() {
initDebugger("about:blank").then(([aTab, aDebuggee, aPanel]) => {
gTab = aTab;
gDebuggee = aDebuggee;
gPanel = aPanel;
gDebugger = gPanel.panelWin;
gVariablesView = gDebugger.DebuggerView.Variables;
performTest().then(null, aError => {
ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
});
});
}
function performTest() {
let arr = [
42,
true,
"nasu",
undefined,
null,
[0, 1, 2],
{ prop1: 9, prop2: 8 }
];
let obj = {
p0: 42,
p1: true,
p2: "nasu",
p3: undefined,
p4: null,
p5: [3, 4, 5],
p6: { prop1: 7, prop2: 6 },
get p7() { return arr; },
set p8(value) { arr[0] = value }
};
let test = {
someProp0: 42,
someProp1: true,
someProp2: "nasu",
someProp3: undefined,
someProp4: null,
someProp5: arr,
someProp6: obj,
get someProp7() { return arr; },
set someProp7(value) { arr[0] = value }
};
gVariablesView.eval = function() {};
gVariablesView.switch = function() {};
gVariablesView.delete = function() {};
gVariablesView.rawObject = test;
gVariablesView.scrollPageSize = 5;
return Task.spawn(function() {
yield waitForTick();
// Part 0: Test generic focus methods on the variables view.
gVariablesView.focusFirstVisibleItem();
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
gVariablesView.focusNextItem();
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
gVariablesView.focusPrevItem();
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
// Part 1: Make sure that UP/DOWN keys don't scroll the variables view.
yield synthesizeKeyAndWaitForTick("VK_DOWN", {});
is(gVariablesView._parent.scrollTop, 0,
"The 'variables' view shouldn't scroll when pressing the DOWN key.");
yield synthesizeKeyAndWaitForTick("VK_UP", {});
is(gVariablesView._parent.scrollTop, 0,
"The 'variables' view shouldn't scroll when pressing the UP key.");
// Part 2: Make sure that RETURN/ESCAPE toggle input elements.
yield synthesizeKeyAndWaitForElement("VK_RETURN", {}, ".element-value-input", true);
yield synthesizeKeyAndWaitForElement("VK_ESCAPE", {}, ".element-value-input", false);
yield synthesizeKeyAndWaitForElement("VK_RETURN", { shiftKey: true }, ".element-name-input", true);
yield synthesizeKeyAndWaitForElement("VK_ESCAPE", {}, ".element-name-input", false);
// Part 3: Test simple navigation.
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("END", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("HOME", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
// Part 4: Test if pressing the same navigation key twice works as expected.
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp2",
"The 'someProp2' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
// Part 5: Test that HOME/PAGE_UP/PAGE_DOWN are symmetrical.
EventUtils.sendKey("HOME", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("HOME", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("HOME", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("END", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("END", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("END", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
// Part 6: Test that focus doesn't leave the variables view.
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
// Part 7: Test that random offsets don't occur in tandem with HOME/END.
EventUtils.sendKey("HOME", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
EventUtils.sendKey("END", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
// Part 8: Test that the RIGHT key expands elements as intended.
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, false,
"The 'someProp5' item should not be expanded yet.");
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, true,
"The 'someProp5' item should now be expanded.");
is(gVariablesView.getFocusedItem()._store.size, 9,
"There should be 9 properties in the selected variable.");
is(gVariablesView.getFocusedItem()._enumItems.length, 7,
"There should be 7 enumerable properties in the selected variable.");
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 2,
"There should be 2 non-enumerable properties in the selected variable.");
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 7);
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 2);
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "0",
"The '0' item should be focused.");
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "0",
"The '0' item should still be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "5",
"The '5' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, false,
"The '5' item should not be expanded yet.");
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
is(gVariablesView.getFocusedItem().name, "5",
"The '5' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, true,
"The '5' item should now be expanded.");
is(gVariablesView.getFocusedItem()._store.size, 5,
"There should be 5 properties in the selected variable.");
is(gVariablesView.getFocusedItem()._enumItems.length, 3,
"There should be 3 enumerable properties in the selected variable.");
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 2,
"There should be 2 non-enumerable properties in the selected variable.");
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 3);
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 2);
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "0",
"The '0' item should be focused.");
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "0",
"The '0' item should still be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "6",
"The '6' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, false,
"The '6' item should not be expanded yet.");
yield synthesizeKeyAndWaitForTick("VK_RIGHT", {});
is(gVariablesView.getFocusedItem().name, "6",
"The '6' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, true,
"The '6' item should now be expanded.");
is(gVariablesView.getFocusedItem()._store.size, 3,
"There should be 3 properties in the selected variable.");
is(gVariablesView.getFocusedItem()._enumItems.length, 2,
"There should be 2 enumerable properties in the selected variable.");
is(gVariablesView.getFocusedItem()._nonEnumItems.length, 1,
"There should be 1 non-enumerable properties in the selected variable.");
yield waitForChildNodes(gVariablesView.getFocusedItem()._enum, 2);
yield waitForChildNodes(gVariablesView.getFocusedItem()._nonenum, 1);
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "prop1",
"The 'prop1' item should be focused.");
EventUtils.sendKey("RIGHT", gDebugger);
is(gVariablesView.getFocusedItem().name, "prop1",
"The 'prop1' item should still be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp6",
"The 'someProp6' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, false,
"The 'someProp6' item should not be expanded yet.");
// Part 9: Test that the RIGHT key collapses elements as intended.
EventUtils.sendKey("LEFT", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp6",
"The 'someProp6' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
EventUtils.sendKey("LEFT", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
is(gVariablesView.getFocusedItem().expanded, true,
"The '6' item should still be expanded.");
EventUtils.sendKey("LEFT", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should still be focused.");
is(gVariablesView.getFocusedItem().expanded, false,
"The '6' item should still not be expanded anymore.");
EventUtils.sendKey("LEFT", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should still be focused.");
// Part 9: Test continuous navigation.
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp4",
"The 'someProp4' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp3",
"The 'someProp3' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp2",
"The 'someProp2' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp1",
"The 'someProp1' item should be focused.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp0",
"The 'someProp0' item should be focused.");
EventUtils.sendKey("PAGE_DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp5",
"The 'someProp5' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp6",
"The 'someProp6' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp7",
"The 'someProp7' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "get",
"The 'get' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "set",
"The 'set' item should be focused.");
EventUtils.sendKey("DOWN", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' item should be focused.");
// Part 10: Test that BACKSPACE deletes items in the variables view.
EventUtils.sendKey("BACK_SPACE", gDebugger);
is(gVariablesView.getFocusedItem().name, "__proto__",
"The '__proto__' variable should still be focused.");
is(gVariablesView.getFocusedItem().value, "[object Object]",
"The '__proto__' variable should not have an empty value.");
is(gVariablesView.getFocusedItem().visible, false,
"The '__proto__' variable should be hidden.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "set",
"The 'set' item should be focused.");
is(gVariablesView.getFocusedItem().value, "[object Object]",
"The 'set' item should not have an empty value.");
is(gVariablesView.getFocusedItem().visible, true,
"The 'set' item should be visible.");
EventUtils.sendKey("BACK_SPACE", gDebugger);
is(gVariablesView.getFocusedItem().name, "set",
"The 'set' item should still be focused.");
is(gVariablesView.getFocusedItem().value, "[object Object]",
"The 'set' item should not have an empty value.");
is(gVariablesView.getFocusedItem().visible, true,
"The 'set' item should be visible.");
is(gVariablesView.getFocusedItem().twisty, false,
"The 'set' item should be disabled and have a hidden twisty.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "get",
"The 'get' item should be focused.");
is(gVariablesView.getFocusedItem().value, "[object Object]",
"The 'get' item should not have an empty value.");
is(gVariablesView.getFocusedItem().visible, true,
"The 'get' item should be visible.");
EventUtils.sendKey("BACK_SPACE", gDebugger);
is(gVariablesView.getFocusedItem().name, "get",
"The 'get' item should still be focused.");
is(gVariablesView.getFocusedItem().value, "[object Object]",
"The 'get' item should not have an empty value.");
is(gVariablesView.getFocusedItem().visible, true,
"The 'get' item should be visible.");
is(gVariablesView.getFocusedItem().twisty, false,
"The 'get' item should be disabled and have a hidden twisty.");
EventUtils.sendKey("UP", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp7",
"The 'someProp7' item should be focused.");
is(gVariablesView.getFocusedItem().value, undefined,
"The 'someProp7' variable should have an empty value.");
is(gVariablesView.getFocusedItem().visible, true,
"The 'someProp7' variable should be visible.");
EventUtils.sendKey("BACK_SPACE", gDebugger);
is(gVariablesView.getFocusedItem().name, "someProp7",
"The 'someProp7' variable should still be focused.");
is(gVariablesView.getFocusedItem().value, undefined,
"The 'someProp7' variable should have an empty value.");
is(gVariablesView.getFocusedItem().visible, false,
"The 'someProp7' variable should be hidden.");
// Part 11: Test that Ctrl-C copies the current item to the system clipboard
gVariablesView.focusFirstVisibleItem();
let copied = promise.defer();
let expectedValue = gVariablesView.getFocusedItem().name
+ gVariablesView.getFocusedItem().separatorStr
+ gVariablesView.getFocusedItem().value;
waitForClipboard(expectedValue, function setup() {
EventUtils.synthesizeKey("C", { metaKey: true }, gDebugger);
}, copied.resolve, copied.reject
);
try {
yield copied.promise;
ok(true,
"Ctrl-C copied the selected item to the clipboard.");
} catch (e) {
ok(false,
"Ctrl-C didn't copy the selected item to the clipboard.");
}
yield closeDebuggerAndFinish(gPanel);
});
}
registerCleanupFunction(function() {
gTab = null;
gDebuggee = null;
gPanel = null;
gDebugger = null;
gVariablesView = null;
});
function synthesizeKeyAndWaitForElement(aKey, aModifiers, aSelector, aExistence) {
EventUtils.synthesizeKey(aKey, aModifiers, gDebugger);
return waitForElement(aSelector, aExistence);
}
function synthesizeKeyAndWaitForTick(aKey, aModifiers) {
EventUtils.synthesizeKey(aKey, aModifiers, gDebugger);
return waitForTick();
}
function waitForElement(aSelector, aExistence) {
return waitForPredicate(() => {
return !!gVariablesView._list.querySelector(aSelector) == aExistence;
});
}
function waitForChildNodes(aTarget, aCount) {
return waitForPredicate(() => {
return aTarget.childNodes.length == aCount;
});
}
function waitForPredicate(aPredicate, aInterval = 10) {
let deferred = promise.defer();
// Poll every few milliseconds until the element is retrieved.
let count = 0;
let intervalID = window.setInterval(() => {
// Make sure we don't wait for too long.
if (++count > 1000) {
deferred.reject("Timed out while polling for the element.");
window.clearInterval(intervalID);
return;
}
// Check if the predicate condition is fulfilled.
if (!aPredicate()) {
return;
}
// We got the element, it's safe to callback.
window.clearInterval(intervalID);
deferred.resolve();
}, aInterval);
return deferred.promise;
}