Send correct key-codes when doing composition events instead of always 0.

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 90e970cf045df5c5f2d636979d45e8b767bec014..e6c45309d7bfb88487ab3e9a61407e0ffad54835 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
@@ -264,6 +264,100 @@ public class ImeTest extends ContentShellTestBase {
 
     @SmallTest
     @Feature({"TextInput", "Main"})
+    public void testGuessedKeycodeFromTyping() throws Throwable {
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess(null, ""));
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess(null, "x"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess(null, "xyz"));
+
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("abc", "abc"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("abc", ""));
+
+        assertEquals(KeyEvent.KEYCODE_H, ImeAdapter.getTypedKeycodeGuess("", "h"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("h", ""));
+        assertEquals(KeyEvent.KEYCODE_E, ImeAdapter.getTypedKeycodeGuess("h", "he"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("he", "hel"));
+        assertEquals(KeyEvent.KEYCODE_O, ImeAdapter.getTypedKeycodeGuess("hel", "helo"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("helo", "hel"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("hel", "hell"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("hell", "helll"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("helll", "hell"));
+        assertEquals(KeyEvent.KEYCODE_O, ImeAdapter.getTypedKeycodeGuess("hell", "hello"));
+
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxx"));
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxxx"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("xxx", "xx"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("xxx", "x"));
+
+        assertEquals(KeyEvent.KEYCODE_Y, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxy"));
+        assertEquals(KeyEvent.KEYCODE_Y, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxxy"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("xxx", "xy"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("xxx", "y"));
+
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "bar"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "bars"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "ba"));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
+    public void testKeyCodesWhileComposingText() throws Throwable {
+        DOMUtils.focusNode(mContentViewCore, "input_radio");
+        assertWaitForKeyboardStatus(false);
+        DOMUtils.focusNode(mContentViewCore, "textarea");
+        assertWaitForKeyboardStatus(true);
+
+        // The calls below are a reflection of what the stock Google Keyboard (Android 4.4) sends
+        // when the noted key is touched on screen.  Exercise care when altering to make sure
+        // that the test reflects reality.
+        mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
+        waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
+
+        // H
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_H, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // O
+        setComposingText(mConnection, "ho", 1);
+        assertEquals(KeyEvent.KEYCODE_O, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("ho", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // I
+        setComposingText(mConnection, "hi", 1);
+        assertEquals(KeyEvent.KEYCODE_I, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // SPACE
+        commitText(mConnection, "hi",1);
+        assertEquals(0, mImeAdapter.mLastSyntheticKeyCode);
+        commitText(mConnection, " ", 1);
+        assertEquals(KeyEvent.KEYCODE_SPACE, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi ", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        deleteSurroundingText(mConnection, 1, 0);
+      //assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        setComposingRegion(mConnection, 0, 2);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        setComposingText(mConnection, "", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
     public void testEnterKeyEventWhileComposingText() throws Throwable {
         DOMUtils.focusNode(mContentViewCore, "input_radio");
         assertWaitForKeyboardStatus(false);
@@ -449,6 +543,16 @@ public class ImeTest extends ContentShellTestBase {
         });
     }
 
+    private void deleteSurroundingText(final AdapterInputConnection connection, final int before,
+            final int after) {
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                connection.deleteSurroundingText(before, after);
+            }
+        });
+    }
+
     private static class TestAdapterInputConnectionFactory extends
             ImeAdapter.AdapterInputConnectionFactory {
         @Override