Add KeyboardStateTestsBase and helper methods

Change-Id: I17d908b60bbf784dae7add8355f699a63f7eb90a

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

@@ -16,412 +16,248 @@
 
 package com.android.inputmethod.keyboard.internal;
 
-import android.test.AndroidTestCase;
+public class KeyboardStateNonDistinctTests extends KeyboardStateTestsBase {
-
+    @Override
-public class KeyboardStateNonDistinctTests extends AndroidTestCase
-        implements MockKeyboardSwitcher.Constants {
-    protected MockKeyboardSwitcher mSwitcher;
-
     public boolean hasDistinctMultitouch() {
         return false;
     }
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        mSwitcher = new MockKeyboardSwitcher();
-
-        final String layoutSwitchBackSymbols = "";
-        mSwitcher.loadKeyboard(layoutSwitchBackSymbols, hasDistinctMultitouch());
-    }
-
-    public void assertAlphabetNormal() {
-        assertTrue(mSwitcher.assertAlphabetNormal());
-    }
-
-    public void assertAlphabetManualShifted() {
-        assertTrue(mSwitcher.assertAlphabetManualShifted());
-    }
-
-    public void assertAlphabetAutomaticShifted() {
-        assertTrue(mSwitcher.assertAlphabetAutomaticShifted());
-    }
-
-    public void assertAlphabetShiftLocked() {
-        assertTrue(mSwitcher.assertAlphabetShiftLocked());
-    }
-
-    public void assertSymbolsNormal() {
-        assertTrue(mSwitcher.assertSymbolsNormal());
-    }
-
-    public void assertSymbolsShifted() {
-        assertTrue(mSwitcher.assertSymbolsShifted());
-    }
-
-    // Initial state test.
-    public void testLoadKeyboard() {
-        assertAlphabetNormal();
-    }
-
     // Shift key in alphabet mode.
     public void testShift() {
         // Press/release shift key, enter into shift state.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetManualShifted();
         // Press/release shift key, back to normal state.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        assertAlphabetManualShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
 
         // Press/release shift key, enter into shift state.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetManualShifted();
         // Press/release letter key, snap back to normal state.
-        mSwitcher.onPressKey('Z');
+        pressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        mSwitcher.onCodeInput('Z');
-        mSwitcher.onReleaseKey('Z');
-        assertAlphabetNormal();
     }
 
     // Shift key sliding input.
     public void testShiftSliding() {
-        // Press shift key.
+        // Press and slide from shift key.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndSlideFromKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
-        // Slide out shift key.
-        mSwitcher.onReleaseKey(CODE_SHIFT, SLIDING);
-        assertAlphabetManualShifted();
 
-        // Enter into letter key.
+        // Enter/release letter key, snap back to alphabet.
-        mSwitcher.onPressKey('Z');
+        pressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        assertAlphabetManualShifted();
-        // Release letter key, snap back to alphabet.
-        mSwitcher.onCodeInput('Z');
-        mSwitcher.onReleaseKey('Z');
-        assertAlphabetNormal();
-    }
-
-    public void enterSymbolsMode() {
-        // Press/release "?123" key.
-        mSwitcher.onPressKey(CODE_SYMBOL);
-        assertSymbolsNormal();
-        mSwitcher.onCodeInput(CODE_SYMBOL);
-        mSwitcher.onReleaseKey(CODE_SYMBOL);
-        assertSymbolsNormal();
-    }
-
-    public void leaveSymbolsMode() {
-        // Press/release "ABC" key.
-        mSwitcher.onPressKey(CODE_SYMBOL);
-        assertAlphabetNormal();
-        mSwitcher.onCodeInput(CODE_SYMBOL);
-        mSwitcher.onReleaseKey(CODE_SYMBOL);
-        assertAlphabetNormal();
     }
 
     // Switching between alphabet and symbols.
     public void testAlphabetAndSymbols() {
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
-        leaveSymbolsMode();
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
+        // Press/release "?123" key, back to alphabet.
+        pressAndReleaseKey(CODE_SYMBOL, ALPHABET_UNSHIFTED, ALPHABET_UNSHIFTED);
     }
 
     // Switching between alphabet shift locked and symbols.
     public void testAlphabetShiftLockedAndSymbols() {
-        enterShiftLockWithLongPressShift();
+        // Long press shift key, enter alphabet shift locked.
-        enterSymbolsMode();
+        longPressShiftKey(ALPHABET_MANUAL_SHIFTED, ALPHABET_SHIFT_LOCKED);
+
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
         // Press/release "ABC" key, switch back to shift locked mode.
-        mSwitcher.onPressKey(CODE_SYMBOL);
+        pressAndReleaseKey(CODE_SYMBOL, ALPHABET_SHIFT_LOCKED, ALPHABET_SHIFT_LOCKED);
-        assertAlphabetShiftLocked();
-        mSwitcher.onCodeInput(CODE_SYMBOL);
-        mSwitcher.onReleaseKey(CODE_SYMBOL);
-        assertAlphabetShiftLocked();
     }
 
     // Symbols key sliding input.
     public void testSymbolsSliding() {
-        // Press "123?" key.
+        // Press and slide from "123?" key.
-        mSwitcher.onPressKey(CODE_SYMBOL);
+        pressAndSlideFromKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
-        // Slide out from "123?" key.
-        mSwitcher.onReleaseKey(CODE_SYMBOL, SLIDING);
-        assertSymbolsNormal();
 
-        // Enter into letter key.
+        // Enter/release into symbol key, snap back to alphabet.
-        mSwitcher.onPressKey('z');
+        pressAndReleaseKey('!', SYMBOLS_UNSHIFTED, ALPHABET_UNSHIFTED);
-        assertSymbolsNormal();
-        // Release letter key, snap back to alphabet.
-        mSwitcher.onCodeInput('z');
-        mSwitcher.onReleaseKey('z');
-        assertAlphabetNormal();
     }
 
     // Switching between symbols and symbols shifted.
     public void testSymbolsAndSymbolsShifted() {
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
-        // Press/release "=\<" key.
+        // Press/release "=\<" key, enter into symbols shifted.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, SYMBOLS_SHIFTED, SYMBOLS_SHIFTED);
-        assertSymbolsShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertSymbolsShifted();
 
-        // Press/release "?123" key.
+        // Press/release "?123" key, enter into symbols.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertSymbolsNormal();
-
-        leaveSymbolsMode();
     }
 
     // Symbols shift sliding input
     public void testSymbolsShiftSliding() {
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
-        // Press "=\<" key.
+        // Press and slide from "=\<" key.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndSlideFromKey(CODE_SHIFT, SYMBOLS_SHIFTED, SYMBOLS_SHIFTED);
-        assertSymbolsShifted();
-        // Slide out "=\<" key.
-        mSwitcher.onReleaseKey(CODE_SHIFT, SLIDING);
-        assertSymbolsShifted();
 
-        // Enter into symbol shifted letter key.
+        // Enter/release symbol shifted letter key, snap back to symbols.
-        mSwitcher.onPressKey('~');
+        pressAndReleaseKey('~', SYMBOLS_SHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsShifted();
-        // Release symbol shifted letter key, snap back to symbols.
-        mSwitcher.onCodeInput('~');
-        mSwitcher.onReleaseKey('~');
-        assertSymbolsNormal();
     }
 
     // Symbols shift sliding input from symbols shifted.
     public void testSymbolsShiftSliding2() {
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
-        // Press/release "=\<" key.
+        // Press/release "=\<" key, enter into symbols shifted.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, SYMBOLS_SHIFTED, SYMBOLS_SHIFTED);
-        assertSymbolsShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertSymbolsShifted();
 
-        // Press "123?" key.
+        // Press and slide from "123?" key.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndSlideFromKey(CODE_SHIFT, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
-        // Slide out "123?" key.
-        mSwitcher.onReleaseKey(CODE_SHIFT, SLIDING);
-        assertSymbolsNormal();
 
-        // Enter into symbol letter key.
+        // Enter/release symbol letter key, snap back to symbols shifted.
-        mSwitcher.onPressKey('1');
+        pressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_SHIFTED);
-        assertSymbolsNormal();
-        // Release symbol letter key, snap back to symbols shift.
-        mSwitcher.onCodeInput('1');
-        mSwitcher.onReleaseKey('1');
-        assertSymbolsShifted();
     }
 
     // Automatic snap back to alphabet from symbols by space key.
     public void testSnapBackBySpace() {
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
         // Enter a symbol letter.
-        mSwitcher.onPressKey('1');
+        pressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
+
-        mSwitcher.onCodeInput('1');
-        mSwitcher.onReleaseKey('1');
-        assertSymbolsNormal();
         // Enter space, snap back to alphabet.
-        mSwitcher.onPressKey(CODE_SPACE);
+        pressAndReleaseKey(CODE_SPACE, SYMBOLS_UNSHIFTED, ALPHABET_UNSHIFTED);
-        assertSymbolsNormal();
-        mSwitcher.onCodeInput(CODE_SPACE);
-        mSwitcher.onReleaseKey(CODE_SPACE);
-        assertAlphabetNormal();
     }
 
     // TODO: Add automatic snap back to shift locked test.
 
     // Automatic snap back to alphabet from symbols by registered letters.
     public void testSnapBack() {
+        // Set snap back chars.
         final String snapBackChars = "'";
         final int snapBackCode = snapBackChars.codePointAt(0);
-        final boolean hasDistinctMultitouch = true;
+        loadKeyboard(snapBackChars, ALPHABET_UNSHIFTED);
-        mSwitcher.loadKeyboard(snapBackChars, hasDistinctMultitouch);
 
-        enterSymbolsMode();
+        // Press/release "?123" key, enter into symbols.
+        pressAndReleaseKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
 
         // Enter a symbol letter.
-        mSwitcher.onPressKey('1');
+        pressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
+
-        mSwitcher.onCodeInput('1');
-        mSwitcher.onReleaseKey('1');
-        assertSymbolsNormal();
         // Enter snap back letter, snap back to alphabet.
-        mSwitcher.onPressKey(snapBackCode);
+        pressAndReleaseKey(snapBackCode, SYMBOLS_UNSHIFTED, ALPHABET_UNSHIFTED);
-        assertSymbolsNormal();
-        mSwitcher.onCodeInput(snapBackCode);
-        mSwitcher.onReleaseKey(snapBackCode);
-        assertAlphabetNormal();
     }
 
     // Automatic upper case test
     public void testAutomaticUpperCase() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
-        // Update shift state with auto caps enabled.
+        setAutoCapsMode(AUTO_CAPS);
-        mSwitcher.updateShiftState();
-        assertAlphabetAutomaticShifted();
 
-        // Press shift key.
+        // Update shift state with auto caps enabled.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetManualShifted();
+
-        // Release shift key.
+        // Press/release shift key, back to alphabet.
-        mSwitcher.onCodeInput(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
     }
 
     // Sliding from shift key in automatic upper case.
     public void testAutomaticUpperCaseSliding() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
-        // Update shift state with auto caps enabled.
+        setAutoCapsMode(AUTO_CAPS);
-        mSwitcher.updateShiftState();
-        assertAlphabetAutomaticShifted();
 
-        // Press shift key.
+        // Update shift state with auto caps enabled.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetManualShifted();
+
-        // Slide out shift key.
+        // Press and slide from shift key.
-        mSwitcher.onReleaseKey(CODE_SHIFT, SLIDING);
+        pressAndSlideFromKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
+
-        // Enter into letter key.
+        // Enter and release letter key, back to alphabet.
-        mSwitcher.onPressKey('Z');
+        pressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        assertAlphabetManualShifted();
-        // Release letter key, snap back to alphabet.
-        mSwitcher.onCodeInput('Z');
-        mSwitcher.onReleaseKey('Z');
-        assertAlphabetNormal();
     }
 
     // Sliding from symbol key in automatic upper case.
     public void testAutomaticUpperCaseSliding2() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
+        setAutoCapsMode(AUTO_CAPS);
+
         // Update shift state with auto caps enabled.
-        mSwitcher.updateShiftState();
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetAutomaticShifted();
 
-        // Press "123?" key.
+        // Press and slide from "123?" key.
-        mSwitcher.onPressKey(CODE_SYMBOL);
+        pressAndSlideFromKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
-        // Slide out "123?" key.
-        mSwitcher.onReleaseKey(CODE_SYMBOL, SLIDING);
-        assertSymbolsNormal();
-        // Enter into symbol letter keys.
-        mSwitcher.onPressKey('1');
-        assertSymbolsNormal();
-        // Release symbol letter key, snap back to alphabet.
-        mSwitcher.onCodeInput('1');
-        mSwitcher.onReleaseKey('1');
-        assertAlphabetNormal();
-    }
 
-    public void enterShiftLockWithLongPressShift() {
+        // Enter and release symbol letter keys, back to alphabet.
-        // Long press shift key
+        pressAndReleaseKey('1', SYMBOLS_UNSHIFTED, ALPHABET_UNSHIFTED);
-        mSwitcher.onPressKey(CODE_SHIFT);
-        assertAlphabetManualShifted();
-        // Long press recognized in LatinKeyboardView.KeyTimerHandler.
-        mSwitcher.onCodeInput(CODE_CAPSLOCK);
-        assertAlphabetShiftLocked();
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetShiftLocked();
-    }
-
-    public void leaveShiftLockWithLongPressShift() {
-        // Press shift key.
-        mSwitcher.onPressKey(CODE_SHIFT);
-        assertAlphabetManualShifted();
-        // Long press recognized in LatinKeyboardView.KeyTimerHandler.
-        mSwitcher.onCodeInput(CODE_CAPSLOCK);
-        assertAlphabetNormal();
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
     }
 
     // Long press shift key.
     // TODO: Move long press recognizing timer/logic into KeyboardState.
     public void testLongPressShift() {
-        enterShiftLockWithLongPressShift();
+        // Long press shift key, enter alphabet shift locked.
-        leaveShiftLockWithLongPressShift();
+        longPressShiftKey(ALPHABET_MANUAL_SHIFTED, ALPHABET_SHIFT_LOCKED);
+
+        // Press/release letter key, remain in shift locked.
+        pressAndReleaseKey('A', ALPHABET_SHIFT_LOCKED, ALPHABET_SHIFT_LOCKED);
+
+        // Press/release letter key, remain in shift locked.
+        pressAndReleaseKey('B', ALPHABET_SHIFT_LOCKED, ALPHABET_SHIFT_LOCKED);
+
+        // Press/release word separator, remain in shift locked.
+        pressAndReleaseKey(CODE_SPACE, ALPHABET_SHIFT_LOCKED, ALPHABET_SHIFT_LOCKED);
+
+        // Long press shift key, back to alphabet.
+        longPressShiftKey(ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
      }
 
     // Leave shift lock with single tap shift key.
     public void testShiftInShiftLock() {
-        enterShiftLockWithLongPressShift();
+        // Long press shift key, enter alphabet shift locked.
-        assertAlphabetShiftLocked();
+        longPressShiftKey(ALPHABET_MANUAL_SHIFTED, ALPHABET_SHIFT_LOCKED);
 
-        // Tap shift key.
+        // Press/release shift key, back to alphabet.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        assertAlphabetManualShifted();
-        mSwitcher.onCodeInput(CODE_SHIFT, SINGLE);
-        assertAlphabetManualShifted();
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
     }
 
     // Double tap shift key.
     // TODO: Move double tap recognizing timer/logic into KeyboardState.
     public void testDoubleTapShift() {
         // First shift key tap.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
+
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        assertAlphabetManualShifted();
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetManualShifted();
         // Second shift key tap.
         // Double tap recognized in LatinKeyboardView.KeyTimerHandler.
-        mSwitcher.onCodeInput(CODE_CAPSLOCK);
+        secondTapShiftKey(ALPHABET_SHIFT_LOCKED);
-        assertAlphabetShiftLocked();
 
         // First shift key tap.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressAndReleaseKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED, ALPHABET_UNSHIFTED);
-        assertAlphabetManualShifted();
+
-        mSwitcher.onCodeInput(CODE_SHIFT);
-        assertAlphabetManualShifted();
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
         // Second shift key tap.
         // Second tap is ignored in LatinKeyboardView.KeyTimerHandler.
     }
 
     // Update shift state.
     public void testUpdateShiftState() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
+        setAutoCapsMode(AUTO_CAPS);
+
         // Update shift state.
-        mSwitcher.updateShiftState();
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetAutomaticShifted();
+
+        // Press/release letter key, back to alphabet.
+        pressAndReleaseKey('A', ALPHABET_AUTOMATIC_SHIFTED, ALPHABET_UNSHIFTED);
+
+        // Press/release letter key
+        pressAndReleaseKey('b', ALPHABET_UNSHIFTED, ALPHABET_UNSHIFTED);
+
+        // Press/release auto caps trigger letter, back to automatic shifted.
+        pressAndReleaseKey(CODE_AUTO_CAPS_TRIGGER, ALPHABET_UNSHIFTED, ALPHABET_AUTOMATIC_SHIFTED);
     }
 
     // Update shift state when shift locked.
     public void testUpdateShiftStateInShiftLocked() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
-        enterShiftLockWithLongPressShift();
+        setAutoCapsMode(AUTO_CAPS);
-        assertAlphabetShiftLocked();
+
+        // Long press shift key, enter alphabet shift locked.
+        longPressShiftKey(ALPHABET_MANUAL_SHIFTED, ALPHABET_SHIFT_LOCKED);
+
         // Update shift state when shift locked
-        mSwitcher.updateShiftState();
+        updateShiftState(ALPHABET_SHIFT_LOCKED);
-        assertAlphabetShiftLocked();
     }
 
     // TODO: Change focus test.

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

@@ -25,90 +25,63 @@ public class KeyboardStateTests extends KeyboardStateNonDistinctTests {
     // Shift key chording input.
     public void testShiftChording() {
         // Press shift key and hold, enter into choring shift state.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
 
         // Press/release letter keys.
-        mSwitcher.onPressKey('Z');
+        chordingPressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        mSwitcher.onCodeInput('Z', MULTI);
+        chordingPressAndReleaseKey('X', ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        mSwitcher.onReleaseKey('Z');
-        assertAlphabetManualShifted();
-        mSwitcher.onPressKey('X');
-        mSwitcher.onCodeInput('X', MULTI);
-        mSwitcher.onReleaseKey('X');
-        assertAlphabetManualShifted();
 
         // Release shift key, snap back to normal state.
-        mSwitcher.onCodeInput(CODE_SHIFT);
+        releaseKey(CODE_SHIFT, ALPHABET_UNSHIFTED);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        mSwitcher.updateShiftState();
-        assertAlphabetNormal();
     }
 
     // Symbols key chording input.
     public void testSymbolsChording() {
         // Press symbols key and hold, enter into choring shift state.
-        mSwitcher.onPressKey(CODE_SYMBOL);
+        pressKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
 
         // Press/release symbol letter keys.
-        mSwitcher.onPressKey('1');
+        chordingPressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        mSwitcher.onCodeInput('1', MULTI);
+        chordingPressAndReleaseKey('2', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        mSwitcher.onReleaseKey('1');
-        assertSymbolsNormal();
-        mSwitcher.onPressKey('2');
-        mSwitcher.onCodeInput('2', MULTI);
-        mSwitcher.onReleaseKey('2');
-        assertSymbolsNormal();
 
         // Release shift key, snap back to normal state.
-        mSwitcher.onCodeInput(CODE_SYMBOL);
+        releaseKey(CODE_SYMBOL, ALPHABET_UNSHIFTED);
-        mSwitcher.onReleaseKey(CODE_SYMBOL);
-        mSwitcher.updateShiftState();
-        assertAlphabetNormal();
     }
 
     // Chording shift key in automatic upper case.
     public void testAutomaticUpperCaseChording() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
+        setAutoCapsMode(AUTO_CAPS);
+
         // Update shift state with auto caps enabled.
-        mSwitcher.updateShiftState();
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetAutomaticShifted();
 
         // Press shift key.
-        mSwitcher.onPressKey(CODE_SHIFT);
+        pressKey(CODE_SHIFT, ALPHABET_MANUAL_SHIFTED);
-        assertAlphabetManualShifted();
+
         // Press/release letter keys.
-        mSwitcher.onPressKey('Z');
+        chordingPressAndReleaseKey('Z', ALPHABET_MANUAL_SHIFTED, ALPHABET_MANUAL_SHIFTED);
-        mSwitcher.onCodeInput('Z', MULTI);
+
-        mSwitcher.onReleaseKey('Z');
-        assertAlphabetManualShifted();
         // Release shift key, snap back to alphabet.
-        mSwitcher.onCodeInput(CODE_SHIFT);
+        releaseKey(CODE_SHIFT, ALPHABET_UNSHIFTED);
-        mSwitcher.onReleaseKey(CODE_SHIFT);
-        assertAlphabetNormal();
     }
 
     // Chording symbol key in automatic upper case.
-    public void testAutomaticUpperCaseChrding2() {
+    public void testAutomaticUpperCaseChording2() {
-        mSwitcher.setAutoCapsMode(AUTO_CAPS);
+        // Set auto caps mode on.
+        setAutoCapsMode(AUTO_CAPS);
+
         // Update shift state with auto caps enabled.
-        mSwitcher.updateShiftState();
+        updateShiftState(ALPHABET_AUTOMATIC_SHIFTED);
-        assertAlphabetAutomaticShifted();
 
         // Press "123?" key.
-        mSwitcher.onPressKey(CODE_SYMBOL);
+        pressKey(CODE_SYMBOL, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
+
         // Press/release symbol letter keys.
-        mSwitcher.onPressKey('1');
+        chordingPressAndReleaseKey('1', SYMBOLS_UNSHIFTED, SYMBOLS_UNSHIFTED);
-        assertSymbolsNormal();
+
-        mSwitcher.onCodeInput('1', MULTI);
-        mSwitcher.onReleaseKey('1');
-        assertSymbolsNormal();
         // Release "123?" key, snap back to alphabet.
-        mSwitcher.onCodeInput(CODE_SYMBOL);
+        releaseKey(CODE_SYMBOL, ALPHABET_UNSHIFTED);
-        mSwitcher.onReleaseKey(CODE_SYMBOL);
-        assertAlphabetNormal();
     }
 
     // TODO: Multitouch test

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

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.keyboard.internal;
+
+import android.test.AndroidTestCase;
+
+public abstract class KeyboardStateTestsBase extends AndroidTestCase
+        implements MockKeyboardSwitcher.Constants {
+    protected MockKeyboardSwitcher mSwitcher;
+
+    public abstract boolean hasDistinctMultitouch();
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        mSwitcher = new MockKeyboardSwitcher();
+        mSwitcher.setAutoCapsMode(NO_AUTO_CAPS);
+
+        final String layoutSwitchBackSymbols = "";
+        loadKeyboard(layoutSwitchBackSymbols, ALPHABET_UNSHIFTED);
+    }
+
+    public void setAutoCapsMode(boolean autoCaps) {
+        mSwitcher.setAutoCapsMode(autoCaps);
+    }
+
+    public void updateShiftState(int afterUpdate) {
+        mSwitcher.updateShiftState();
+        assertEquals(afterUpdate, mSwitcher.getLayoutId());
+    }
+
+    public void loadKeyboard(String layoutSwitchBackSymbols, int afterLoad) {
+        mSwitcher.loadKeyboard(layoutSwitchBackSymbols, hasDistinctMultitouch());
+        updateShiftState(afterLoad);
+    }
+
+    public void pressKey(int code, int afterPress) {
+        mSwitcher.onPressKey(code);
+        assertEquals(afterPress, mSwitcher.getLayoutId());
+    }
+
+    public void releaseKey(int code, int afterRelease) {
+        mSwitcher.onCodeInput(code, SINGLE);
+        mSwitcher.onReleaseKey(code, NOT_SLIDING);
+        assertEquals(afterRelease, mSwitcher.getLayoutId());
+    }
+
+    public void pressAndReleaseKey(int code, int afterPress, int afterRelease) {
+        pressKey(code, afterPress);
+        releaseKey(code, afterRelease);
+    }
+
+    public void chordingPressKey(int code, int afterPress) {
+        pressKey(code, afterPress);
+    }
+
+    public void chordingReleaseKey(int code, int afterRelease) {
+        mSwitcher.onCodeInput(code, MULTI);
+        mSwitcher.onReleaseKey(code, NOT_SLIDING);
+        assertEquals(afterRelease, mSwitcher.getLayoutId());
+    }
+
+    public void chordingPressAndReleaseKey(int code, int afterPress, int afterRelease) {
+        chordingPressKey(code, afterPress);
+        chordingReleaseKey(code, afterRelease);
+    }
+
+    public void pressAndSlideFromKey(int code, int afterPress, int afterSlide) {
+        pressKey(code, afterPress);
+        mSwitcher.onReleaseKey(code, SLIDING);
+        assertEquals(afterSlide, mSwitcher.getLayoutId());
+    }
+
+    public void longPressShiftKey(int afterPress, int afterLongPress) {
+        // Long press shift key
+        mSwitcher.onPressKey(CODE_SHIFT);
+        assertEquals(afterPress, mSwitcher.getLayoutId());
+        // Long press recognized in LatinKeyboardView.KeyTimerHandler.
+        mSwitcher.onCodeInput(CODE_CAPSLOCK, SINGLE);
+        assertEquals(afterLongPress, mSwitcher.getLayoutId());
+        mSwitcher.onReleaseKey(CODE_SHIFT, NOT_SLIDING);
+        assertEquals(afterLongPress, mSwitcher.getLayoutId());
+    }
+
+    public void secondTapShiftKey(int afterTap) {
+        mSwitcher.onCodeInput(CODE_CAPSLOCK, SINGLE);
+        assertEquals(afterTap, mSwitcher.getLayoutId());
+    }
+}

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

@@ -21,10 +21,10 @@ import com.android.inputmethod.keyboard.internal.KeyboardState.SwitchActions;
 
 public class MockKeyboardSwitcher implements KeyboardState.SwitchActions {
     public interface Constants {
-        // Argument for KeyboardState.onPressKey and onReleaseKey.
+        // Argument for {@link KeyboardState#onPressKey} and {@link KeyboardState#onReleaseKey}.
         public static final boolean NOT_SLIDING = false;
         public static final boolean SLIDING = true;
-        // Argument for KeyboardState.onCodeInput.
+        // Argument for {@link KeyboardState#onCodeInput}.
         public static final boolean SINGLE = true;
         public static final boolean MULTI = false;
         public static final boolean NO_AUTO_CAPS = false;
@@ -34,18 +34,17 @@ public class MockKeyboardSwitcher implements KeyboardState.SwitchActions {
         public static final int CODE_SYMBOL = Keyboard.CODE_SWITCH_ALPHA_SYMBOL;
         public static final int CODE_CAPSLOCK = Keyboard.CODE_CAPSLOCK;
         public static final int CODE_SPACE = Keyboard.CODE_SPACE;
+        public static final int CODE_AUTO_CAPS_TRIGGER = Keyboard.CODE_SPACE;
+
+        public static final int ALPHABET_UNSHIFTED = 0;
+        public static final int ALPHABET_MANUAL_SHIFTED = 1;
+        public static final int ALPHABET_AUTOMATIC_SHIFTED = 2;
+        public static final int ALPHABET_SHIFT_LOCKED = 3;
+        public static final int SYMBOLS_UNSHIFTED = 4;
+        public static final int SYMBOLS_SHIFTED = 5;
     }
 
-    public static final String WORD_SEPARATORS = " ,.";
+    private int mLayout = Constants.ALPHABET_UNSHIFTED;
-
-    private static final int ALPHABET_UNSHIFTED = 0;
-    private static final int ALPHABET_MANUAL_SHIFTED = 1;
-    private static final int ALPHABET_AUTOMATIC_SHIFTED = 2;
-    private static final int ALPHABET_SHIFT_LOCKED = 3;
-    private static final int SYMBOLS_UNSHIFTED = 4;
-    private static final int SYMBOLS_SHIFTED = 5;
-
-    private int mLayout = ALPHABET_UNSHIFTED;
 
     private boolean mAutoCapsMode = Constants.NO_AUTO_CAPS;
     // Following InputConnection's behavior. Simulating InputType.TYPE_TEXT_FLAG_CAP_WORDS.
@@ -53,28 +52,8 @@ public class MockKeyboardSwitcher implements KeyboardState.SwitchActions {
 
     private final KeyboardState mState = new KeyboardState(this);
 
-    public boolean assertAlphabetNormal() {
+    public int getLayoutId() {
-        return mLayout == ALPHABET_UNSHIFTED;
+        return mLayout;
-    }
-
-    public boolean assertAlphabetManualShifted() {
-        return mLayout == ALPHABET_MANUAL_SHIFTED;
-    }
-
-    public boolean assertAlphabetAutomaticShifted() {
-        return mLayout == ALPHABET_AUTOMATIC_SHIFTED;
-    }
-
-    public boolean assertAlphabetShiftLocked() {
-        return mLayout == ALPHABET_SHIFT_LOCKED;
-    }
-
-    public boolean assertSymbolsNormal() {
-        return mLayout == SYMBOLS_UNSHIFTED;
-    }
-
-    public boolean assertSymbolsShifted() {
-        return mLayout == SYMBOLS_SHIFTED;
     }
 
     public void setAutoCapsMode(boolean autoCaps) {
@@ -83,37 +62,37 @@ public class MockKeyboardSwitcher implements KeyboardState.SwitchActions {
 
     @Override
     public void setAlphabetKeyboard() {
-        mLayout = ALPHABET_UNSHIFTED;
+        mLayout = Constants.ALPHABET_UNSHIFTED;
     }
 
     @Override
     public void setShifted(int shiftMode) {
         if (shiftMode == SwitchActions.UNSHIFT) {
-            mLayout = ALPHABET_UNSHIFTED;
+            mLayout = Constants.ALPHABET_UNSHIFTED;
         } else if (shiftMode == SwitchActions.MANUAL_SHIFT) {
-            mLayout = ALPHABET_MANUAL_SHIFTED;
+            mLayout = Constants.ALPHABET_MANUAL_SHIFTED;
         } else if (shiftMode == SwitchActions.AUTOMATIC_SHIFT) {
-            mLayout = ALPHABET_AUTOMATIC_SHIFTED;
+            mLayout = Constants.ALPHABET_AUTOMATIC_SHIFTED;
         }
     }
 
     @Override
     public void setShiftLocked(boolean shiftLocked) {
         if (shiftLocked) {
-            mLayout = ALPHABET_SHIFT_LOCKED;
+            mLayout = Constants.ALPHABET_SHIFT_LOCKED;
         } else {
-            mLayout = ALPHABET_UNSHIFTED;
+            mLayout = Constants.ALPHABET_UNSHIFTED;
         }
     }
 
     @Override
     public void setSymbolsKeyboard() {
-        mLayout = SYMBOLS_UNSHIFTED;
+        mLayout = Constants.SYMBOLS_UNSHIFTED;
     }
 
     @Override
     public void setSymbolsShiftedKeyboard() {
-        mLayout = SYMBOLS_SHIFTED;
+        mLayout = Constants.SYMBOLS_SHIFTED;
     }
 
     @Override
@@ -134,20 +113,14 @@ public class MockKeyboardSwitcher implements KeyboardState.SwitchActions {
         mState.onPressKey(code);
     }
 
-    public void onReleaseKey(int code) {
-        onReleaseKey(code, Constants.NOT_SLIDING);
-    }
-
     public void onReleaseKey(int code, boolean withSliding) {
         mState.onReleaseKey(code, withSliding);
     }
 
-    public void onCodeInput(int code) {
-        onCodeInput(code, Constants.SINGLE);
-    }
-
     public void onCodeInput(int code, boolean isSinglePointer) {
-        mAutoCapsState = (WORD_SEPARATORS.indexOf(code) >= 0);
+        if (Keyboard.isLetterCode(code)) {
+            mAutoCapsState = (code == Constants.CODE_AUTO_CAPS_TRIGGER);
+        }
         mState.onCodeInput(code, isSinglePointer, mAutoCapsMode && mAutoCapsState);
     }