Verify misspellings after lines merge/split asynchronously

LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js

Index: LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js
diff --git a/LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js b/LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js
index 616f001fd2f8ad868489bdf59574828d60a2f855..441f4bb19463191382673f2cd940ee580ed96511 100644
--- a/LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js
+++ b/LayoutTests/editing/spelling/script-tests/spelling-backspace-between-lines.js
@@ -1,65 +1,99 @@
+description('Spelling markers should remain while merging two lines.');
 
-description('For Bug 41423: Spelling marker should remain after hitting a backspace key.');
+jsTestIsAsync = true;
+
+if (window.internals) {
+    internals.settings.setUnifiedTextCheckerEnabled(true);
+    internals.settings.setAsynchronousSpellCheckingEnabled(true);
+}
 
 var testRoot = document.createElement("div");
 document.body.insertBefore(testRoot, document.body.firstChild);
 
 function setup(targetName)
 {
-    testRoot.innerHTML = "<div id='" + targetName + "' contentEditable><div>OK</div><div>OK zz OK</div></div>";
-    document.getElementById(targetName).focus();
+    var div = document.createElement("div");
+    div.id = targetName;
+    div.contentEditable = true;
+    div.innerHTML = "<div>OK</div><div>OK zz OK</div>";
+    testRoot.appendChild(div);
+
+    div.focus();
     return document.getSelection();
 }
 
-function firstLineText()
+function firstLineText(targetName)
 {
-    return testRoot.firstChild.firstChild.innerText.trim();
+    var div = document.getElementById(targetName);
+    return div.firstChild.innerText.trim();
 }
 
-function testWithDelete()
+function testTwoLinesMisspellings()
 {
-    window.sel = setup("target1");
+    window.sel = setup("two-lines"); // ^OK
 
-    sel.modify("move", "forward", "line");
-    for (var i = 0; i < 3; i++) // 3 for ["OK, "zz", "OK"].length
+    sel.modify("move", "forward", "line"); // ^OK zz OK
+    for (var i = 0; i < 3; i++)
         sel.modify("move", "forward", "word");
 
-    shouldBe("firstLineText()", "'OK'");
-    shouldBe("sel.anchorNode.data", "'OK zz OK'");
-    shouldBeTrue("internals.hasSpellingMarker(document, 3, 2)");
-
-    sel.modify("move", "left", "lineboundary");
-    document.execCommand("Delete", false);
-    sel.modify("move", "right", "line"); // Moves to the line ending to focus the "OK zz OK" text.
+    shouldBeEqualToString("firstLineText('two-lines')", "OK");
+    shouldBeEqualToString("sel.anchorNode.data", "OK zz OK");
+    if (window.internals)
+        shouldBecomeEqual("internals.hasSpellingMarker(document, 3, 2)", "true", done);
+    else
+        done();
+}
 
-    shouldBe("sel.anchorNode.data", "'OKOK zz OK'");
-    shouldBe("firstLineText()", "'OKOK zz OK'");
-    shouldBeTrue("internals.hasSpellingMarker(document, 5, 2)");
+function testMisspellingsAfterLineMergeUsingDelete()
+{
+    window.sel = setup("merged-lines-delete-command"); // ^OK
+
+    sel.modify("move", "forward", "line"); // ^OK zz OK
+    document.execCommand("Delete", false); // OK^OK zz OK
+    sel.modify("move", "right", "line"); // OKOK zz OK^
+
+    shouldBeEqualToString("firstLineText('merged-lines-delete-command')", "OKOK zz OK");
+    shouldBeEqualToString("sel.anchorNode.data", "OKOK zz OK");
+    if (window.internals)
+        shouldBecomeEqual("internals.hasSpellingMarker(document, 5, 2)", "true", done);
+    else
+        done();
 }
 
-function testWithForwardDelete()
+function testMisspellingsAfterLineMergeUsingForwardDelete()
 {
-    window.sel = setup("target1");
+    window.sel = setup("merged-lines-forward-delete-command"); // ^OK
+
+    sel.modify("move", "forward", "character"); // O^K
+    sel.modify("move", "forward", "character"); // OK^
+    document.execCommand("ForwardDelete", false); // OK^OK zz OK
+    sel.modify("move", "right", "line"); // OKOK zz OK^
+
+    shouldBeEqualToString("firstLineText('merged-lines-forward-delete-command')", "OKOK zz OK");
+    shouldBeEqualToString("sel.anchorNode.data", "OKOK zz OK");
+    if (window.internals)
+        shouldBecomeEqual("internals.hasSpellingMarker(document, 5, 2)", "true", done);
+    else
+        done();
+}
 
-    sel.modify("move", "forward", "line");
-    for (var i = 0; i < 3; i++) // 3 for ["OK, "zz", "OK"].length
-        sel.modify("move", "forward", "word");
+var tests = [
+    function() { testTwoLinesMisspellings(); },
+    function() { testMisspellingsAfterLineMergeUsingDelete(); },
+    function() { testMisspellingsAfterLineMergeUsingForwardDelete(); }
+];
 
-    shouldBe("firstLineText()", "'OK'");
-    shouldBe("sel.anchorNode.data", "'OK zz OK'");
-    shouldBeTrue("internals.hasSpellingMarker(document, 3, 2)");
+function done()
+{
+    var next = tests.shift();
+    if (next)
+        return setTimeout(next, 0);
 
-    sel.modify("move", "left", "line");
-    document.execCommand("ForwardDelete", false);
-    sel.modify("move", "right", "line"); // Moves to the line ending to focus the "OK zz OK" text.
+    if (window.internals)
+        testRoot.style.display = "none";
 
-    shouldBe("firstLineText()", "'OKOK zz OK'");
-    shouldBe("sel.anchorNode.data", "'OKOK zz OK'");
-    shouldBeTrue("internals.hasSpellingMarker(document, 5, 2)");
+    finishJSTest();
 }
-
-testWithDelete();
-testWithForwardDelete();
-testRoot.style.display = "none";
+done();
 
 var successfullyParsed = true;