Fix KeyboardState to pass KeyboardStateMultiTouchTests

Change-Id: If2b9ee7cf3fad7633d64b98758f802792d66f7a8

java/src/com/android/inputmethod/keyboard/internal/KeyboardState.java

@@ -338,7 +338,11 @@ public class KeyboardState {
             final boolean isShiftLocked = mAlphabetShiftState.isShiftLocked();
             if (mShiftKeyState.isMomentary()) {
                 // After chording input while normal state.
-                setShifted(SwitchActions.UNSHIFT);
+                if (mAlphabetShiftState.isShiftLockShifted()) {
+                    setShiftLocked(true);
+                } else {
+                    setShifted(SwitchActions.UNSHIFT);
+                }
             } else if (isShiftLocked && !mAlphabetShiftState.isShiftLockShifted()
                     && (mShiftKeyState.isPressing() || mShiftKeyState.isPressingOnShifted())
                     && !withSliding) {

tests/src/com/android/inputmethod/keyboard/internal/KeyboardStateMultiTouchTests.java

@@ -52,21 +52,18 @@ public class KeyboardStateMultiTouchTests extends KeyboardStateTestsBase {
         chordingPressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
         chordingPressAndReleaseKey('X', ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
 
-        // TODO: This test fails due to bug, though external behavior is correct.
-//        // Release shift key, switch back to alphabet shift locked.
-//        releaseKey(CODE_SHIFT, ALPHABET_SHIFT_LOCKED);
-        releaseKey(CODE_SHIFT, ALPHABET_UNSHIFTED);
+        // Release shift key, switch back to alphabet shift locked.
+        releaseKey(CODE_SHIFT, ALPHABET_SHIFT_LOCKED);
 
-        // TODO: This test fails due to bug, though external behavior is correct.
-//        // Press symbols key and hold, enter into choring symbols state.
-//        pressKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED);
-//
-//        // Press/release symbol letter keys.
-//        chordingPressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-//        chordingPressAndReleaseKey('2', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-//
-//        // Release symbols key, switch back to alphabet shift locked.
-//        releaseKey(CODE_SYMBOL, ALPHABET_SHIFT_LOCKED);
+        // Press symbols key and hold, enter into choring symbols state.
+        pressKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED);
+
+        // Press/release symbol letter keys.
+        chordingPressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
+        chordingPressAndReleaseKey('2', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
+
+        // Release symbols key, switch back to alphabet shift locked.
+        releaseKey(CODE_SYMBOL, ALPHABET_SHIFT_LOCKED);
     }
 
     // Symbols key chording input.