Add events tests for inputText in IME test

content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java

Index: content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java b/content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java
index f2e37c29eebb31345ed0afe4b296c470b9a13d48..36bf4f3cf967741b021b2715f490e3fbc744c4c0 100644
--- a/content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java
+++ b/content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java
@@ -1118,6 +1118,8 @@ public class ImeTest extends ContentShellTestBase {
     @Feature({"TextInput"})
     public void testContentEditableEvents_SetComposingText() throws Throwable {
         focusElementAndWaitForStateUpdate("contenteditable_event");
+        waitForEventLogs("selectionchange,selectionchange,selectionchange");
+
         beginBatchEdit();
         setComposingText("a", 1);
         finishComposingText();
@@ -1133,14 +1135,79 @@ public class ImeTest extends ContentShellTestBase {
 
     @MediumTest
     @Feature({"TextInput"})
+    public void testInputTextEvents_SetComposingText() throws Throwable {
+        waitForEventLogs("selectionchange");
+

[Changwan Ryu, 2016/05/26 07:38:09]

why don't you clear logs after waiting here?
Also, you can run this inside setUp() function.

+        beginBatchEdit();
+        setComposingText("a", 1);
+        finishComposingText();
+        endBatchEdit();
+        waitAndVerifyUpdateSelection(0, 1, 1, -1, -1);
+
+        // TODO(changwan): reduce the number of selection changes
+        waitForEventLogs("selectionchange,keydown(229),compositionstart(),compositionupdate(a),"
+                + "input,keyup(229),compositionupdate(a),input,compositionend(a),selectionchange,"
+                + "selectionchange,selectionchange,selectionchange,selectionchange");
+    }
+
+    @MediumTest
+    @Feature({"TextInput"})
     public void testContentEditableEvents_CommitText() throws Throwable {
         focusElementAndWaitForStateUpdate("contenteditable_event");
+        waitForEventLogs("selectionchange,selectionchange,selectionchange");
+
+        commitText("a", 1);
+        waitAndVerifyUpdateSelection(0, 1, 1, -1, -1);
+
+        // TODO(changwan): reduce the number of selection changes
+        waitForEventLogs("selectionchange,selectionchange,selectionchange,keydown(229),input,"
+                + "keyup(229),selectionchange");
+    }
+
+    @MediumTest
+    @Feature({"TextInput"})
+    public void testInputTextEvents_CommitText() throws Throwable {
+        waitForEventLogs("selectionchange");
+
+        commitText("a", 1);
+        waitAndVerifyUpdateSelection(0, 1, 1, -1, -1);
+
+        // TODO(changwan): reduce the number of selection changes
+        waitForEventLogs("selectionchange,keydown(229),input,keyup(229),selectionchange");
+    }
+
+    @MediumTest
+    @Feature({"TextInput"})
+    public void testContentEditableEvents_DeleteSurroundingText() throws Throwable {
+        focusElementAndWaitForStateUpdate("contenteditable_event");
+        waitForEventLogs("selectionchange,selectionchange,selectionchange");
+
         commitText("a", 1);
         waitAndVerifyUpdateSelection(0, 1, 1, -1, -1);
 
         // TODO(changwan): reduce the number of selection changes
         waitForEventLogs("selectionchange,selectionchange,selectionchange,keydown(229),input,"
                 + "keyup(229),selectionchange");
+
+        deleteSurroundingText(1, 0);
+        waitForEventLogs("selectionchange,selectionchange,selectionchange,keydown(229),input,"
+                + "keyup(229),selectionchange,keydown(229),input,keyup(229)");
+    }
+
+    @MediumTest
+    @Feature({"TextInput"})
+    public void testInputTextEvents_DeleteSurroundingText() throws Throwable {
+        waitForEventLogs("selectionchange");
+
+        commitText("a", 1);
+        waitAndVerifyUpdateSelection(0, 1, 1, -1, -1);
+
+        // TODO(changwan): reduce the number of selection changes
+        waitForEventLogs("selectionchange,keydown(229),input,keyup(229),selectionchange");
+
+        deleteSurroundingText(1, 0);
+        waitForEventLogs("selectionchange,keydown(229),input,keyup(229),selectionchange,"
+                + "keydown(229),input,keyup(229)");
     }
 
     private void waitForEventLogs(String expectedLogs) throws Throwable {