diff --git a/tests/src/com/android/inputmethod/keyboard/layout/PcQwerty.java b/tests/src/com/android/inputmethod/keyboard/layout/PcQwerty.java
new file mode 100644
index 0000000..9da6dcc
--- /dev/null
+++ b/tests/src/com/android/inputmethod/keyboard/layout/PcQwerty.java
@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2014 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.layout;
+
+import com.android.inputmethod.keyboard.KeyboardId;
+import com.android.inputmethod.keyboard.layout.expected.ExpectedKey;
+import com.android.inputmethod.keyboard.layout.expected.ExpectedKeyboardBuilder;
+
+import java.util.Locale;
+
+/**
+ * The PC QWERTY alphabet keyboard.
+ */
+public final class PcQwerty extends LayoutBase {
+    private static final String LAYOUT_NAME = "pcqwerty";
+
+    public PcQwerty(final LayoutCustomizer customizer) {
+        super(customizer, Symbols.class, SymbolsShifted.class);
+    }
+
+    @Override
+    public String getName() { return LAYOUT_NAME; }
+
+    public static class PcQwertyCustomizer extends LayoutCustomizer {
+        public PcQwertyCustomizer(final Locale locale) { super(locale); }
+
+        @Override
+        public ExpectedKey[] getLeftShiftKeys(final boolean isPhone) {
+            return joinKeys(SHIFT_KEY);
+        }
+
+        @Override
+        public ExpectedKey[] getRightShiftKeys(final boolean isPhone) {
+            return joinKeys(SHIFT_KEY);
+        }
+
+        @Override
+        public ExpectedKey[] getKeysLeftToSpacebar(final boolean isPhone) {
+            return joinKeys(SETTINGS_KEY);
+        }
+
+        @Override
+        public ExpectedKey[] getKeysRightToSpacebar(final boolean isPhone) {
+            return isPhone ? joinKeys(key(ENTER_KEY, EMOJI_KEY)) : joinKeys(EMOJI_KEY);
+        }
+    }
+
+    @Override
+    ExpectedKey[][] getCommonAlphabetLayout(final boolean isPhone) {
+        final LayoutCustomizer customizer = getCustomizer();
+        final ExpectedKeyboardBuilder builder = new ExpectedKeyboardBuilder(ALPHABET_COMMON);
+        customizer.setAccentedLetters(builder);
+        builder.replaceKeyOfLabel(ROW1_1, key("`", moreKey("~")))
+                .replaceKeyOfLabel(ROW2_11, key("[", moreKey("{")))
+                .replaceKeyOfLabel(ROW2_12, key("]", moreKey("}")))
+                .replaceKeyOfLabel(ROW2_13, key("\\", moreKey("|")))
+                .replaceKeyOfLabel(ROW3_10, key(";", moreKey(":")))
+                .replaceKeyOfLabel(ROW3_11, key("'", joinMoreKeys(additionalMoreKey("\""),
+                        customizer.getDoubleQuoteMoreKeys(),
+                        customizer.getSingleQuoteMoreKeys())))
+                .setAdditionalMoreKeysPositionOf("'", 4)
+                .replaceKeyOfLabel(ROW4_8, key(",", moreKey("<")))
+                .replaceKeyOfLabel(ROW4_9, key(".", moreKey(">")))
+                // U+00BF: "¿" INVERTED QUESTION MARK
+                .replaceKeyOfLabel(ROW4_10, key("/", joinMoreKeys("?", "\u00BF")));
+        if (isPhone) {
+            // U+221E: "∞" INFINITY
+            // U+2260: "≠" NOT EQUAL TO
+            // U+2248: "≈" ALMOST EQUAL TO
+            builder.replaceKeyOfLabel(ROW1_13, key("=",
+                    joinMoreKeys("\u221E", "\u2260", "\u2248", "+")));
+        } else {
+            // U+221E: "∞" INFINITY
+            // U+2260: "≠" NOT EQUAL TO
+            // U+2248: "≈" ALMOST EQUAL TO
+            builder.replaceKeyOfLabel(ROW1_13, key("=",
+                    joinMoreKeys("+", "\u221E", "\u2260", "\u2248")));
+        }
+        return builder.build();
+    }
+
+    @Override
+    ExpectedKey[][] getCommonAlphabetShiftLayout(final boolean isPhone, final int elementId) {
+        final ExpectedKeyboardBuilder builder;
+        if (elementId == KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED
+                || elementId == KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED) {
+            builder = new ExpectedKeyboardBuilder(getCommonAlphabetLayout(isPhone));
+        } else {
+            builder = new ExpectedKeyboardBuilder(ALPHABET_COMMON);
+            final LayoutCustomizer customizer = getCustomizer();
+            customizer.setAccentedLetters(builder);
+            builder.setKeysOfRow(1,
+                    "~",
+                    // U+00A1: "¡" INVERTED EXCLAMATION MARK
+                    key("!", moreKey("\u00A1")),
+                    "@", "#",
+                    customizer.getCurrencyKey(),
+                    // U+2030: "‰" PER MILLE SIGN
+                    key("%", moreKey("\u2030")),
+                    "^", "&",
+                    // U+2020: "†" DAGGER
+                    // U+2021: "‡" DOUBLE DAGGER
+                    // U+2605: "★" BLACK STAR
+                    key("*", joinMoreKeys("\u2020", "\u2021", "\u2605")),
+                    "(", ")", "_",
+                    // U+00B1: "±" PLUS-MINUS SIGN
+                    // U+00D7: "×" MULTIPLICATION SIGN
+                    // U+00F7: "÷" DIVISION SIGN
+                    // U+221A: "√" SQUARE ROOT
+                    key("+", joinMoreKeys("\u00B1", "\u00D7", "\u00F7", "\u221A")))
+                    .replaceKeyOfLabel(ROW2_11, key("{"))
+                    .replaceKeyOfLabel(ROW2_12, key("}"))
+                    .replaceKeyOfLabel(ROW2_13, key("|"))
+                    .replaceKeyOfLabel(ROW3_10, key(":"))
+                    .replaceKeyOfLabel(ROW3_11, key("\"", joinMoreKeys(
+                            customizer.getDoubleQuoteMoreKeys(),
+                            customizer.getSingleQuoteMoreKeys())))
+                    // U+2039: "‹" SINGLE LEFT-POINTING ANGLE QUOTATION MARK
+                    // U+2264: "≤" LESS-THAN OR EQUAL TO
+                    // U+00AB: "«" LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
+                    .replaceKeyOfLabel(ROW4_8, key("<", joinMoreKeys("\u2039", "\u2264", "\u00AB")))
+                    // U+203A: "›" SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
+                    // U+2265: "≥" GREATER-THAN EQUAL TO
+                    // U+00BB: "»" RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
+                    .replaceKeyOfLabel(ROW4_9, key(">", joinMoreKeys("\u203A", "\u2265", "\u00BB")))
+                    // U+00BF: "¿" INVERTED QUESTION MARK
+                    .replaceKeyOfLabel(ROW4_10, key("?", moreKey("\u00BF")));
+        }
+        builder.toUpperCase(getLocale());
+        return builder.build();
+    }
+
+    // Helper method to create alphabet layout by adding special function keys.
+    @Override
+    ExpectedKeyboardBuilder convertCommonLayoutToKeyboard(final ExpectedKeyboardBuilder builder,
+            final boolean isPhone) {
+        final LayoutCustomizer customizer = getCustomizer();
+        builder.setKeysOfRow(5, (Object[])customizer.getSpaceKeys(isPhone));
+        builder.addKeysOnTheLeftOfRow(5, (Object[])customizer.getKeysLeftToSpacebar(isPhone));
+        builder.addKeysOnTheRightOfRow(5, (Object[])customizer.getKeysRightToSpacebar(isPhone));
+        if (isPhone) {
+            builder.addKeysOnTheRightOfRow(3, DELETE_KEY);
+        } else {
+            builder.addKeysOnTheRightOfRow(1, DELETE_KEY)
+                    .addKeysOnTheLeftOfRow(2, TAB_KEY)
+                    .addKeysOnTheRightOfRow(3, ENTER_KEY);
+        }
+        builder.addKeysOnTheLeftOfRow(4, (Object[])customizer.getLeftShiftKeys(isPhone))
+                .addKeysOnTheRightOfRow(4, (Object[])customizer.getRightShiftKeys(isPhone));
+        return builder;
+    }
+
+    @Override
+    public ExpectedKey[][] getLayout(final boolean isPhone, final int elementId) {
+        if (elementId == KeyboardId.ELEMENT_SYMBOLS
+                || elementId == KeyboardId.ELEMENT_SYMBOLS_SHIFTED) {
+            return null;
+        }
+        return super.getLayout(isPhone, elementId);
+    }
+
+    private static final String ROW1_1 = "ROW1_1";
+    private static final String ROW1_13 = "ROW1_13";
+    private static final String ROW2_11 = "ROW2_11";
+    private static final String ROW2_12 = "ROW2_12";
+    private static final String ROW2_13 = "ROW2_13";
+    private static final String ROW3_10 = "ROW3_10";
+    private static final String ROW3_11 = "ROW3_11";
+    private static final String ROW4_8 = "ROW4_8";
+    private static final String ROW4_9 = "ROW4_9";
+    private static final String ROW4_10 = "ROW4_10";
+
+    private static final ExpectedKey[][] ALPHABET_COMMON = new ExpectedKeyboardBuilder()
+            .setKeysOfRow(1,
+                    ROW1_1,
+                    // U+00A1: "¡" INVERTED EXCLAMATION MARK
+                    // U+00B9: "¹" SUPERSCRIPT ONE
+                    // U+00BD: "½" VULGAR FRACTION ONE HALF
+                    // U+2153: "⅓" VULGAR FRACTION ONE THIRD
+                    // U+00BC: "¼" VULGAR FRACTION ONE QUARTER
+                    // U+215B: "⅛" VULGAR FRACTION ONE EIGHTH
+                    key("1", joinMoreKeys(
+                            "!", "\u00A1", "\u00B9", "\u00BD", "\u2153", "\u00BC", "\u215B")),
+                    // U+00B2: "²" SUPERSCRIPT TWO
+                    // U+2154: "⅔" VULGAR FRACTION TWO THIRDS
+                    key("2", joinMoreKeys("@", "\u00B2", "\u2154")),
+                    // U+00B3: "³" SUPERSCRIPT THREE
+                    // U+00BE: "¾" VULGAR FRACTION THREE QUARTERS
+                    // U+215C: "⅜" VULGAR FRACTION THREE EIGHTHS
+                    key("3", joinMoreKeys("#", "\u00B3", "\u00BE", "\u215C")),
+                    // U+2074: "⁴" SUPERSCRIPT FOUR
+                    key("4", joinMoreKeys("$", "\u2074")),
+                    // U+215D: "⅝" VULGAR FRACTION FIVE EIGHTHS
+                    key("5", joinMoreKeys("%", "\u215D")),
+                    key("6", moreKey("^")),
+                    // U+215E: "⅞" VULGAR FRACTION SEVEN EIGHTHS
+                    key("7", joinMoreKeys("&", "\u215E")),
+                    key("8", moreKey("*")),
+                    key("9", moreKey("(")),
+                    // U+207F: "ⁿ" SUPERSCRIPT LATIN SMALL LETTER N
+                    // U+2205: "∅" EMPTY SET
+                    key("0", joinMoreKeys(")", "\u207F", "\u2205")),
+                    // U+2013: "–" EN DASH
+                    // U+2014: "—" EM DASH
+                    // U+00B7: "·" MIDDLE DOT
+                    key("-", joinMoreKeys("_", "\u2013", "\u2014", "\u00B7")),
+                    ROW1_13)
+            .setKeysOfRow(2, "q", "w", "e", "r", "t", "y", "u", "i", "o", "p",
+                    ROW2_11, ROW2_12, ROW2_13)
+            .setKeysOfRow(3, "a", "s", "d", "f", "g", "h", "j", "k", "l", ROW3_10, ROW3_11)
+            .setKeysOfRow(4, "z", "x", "c", "v", "b", "n", "m", ROW4_8, ROW4_9, ROW4_10)
+            .build();
+}
diff --git a/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java b/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
index a13ec75..6176f6a 100644
--- a/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
+++ b/tests/src/com/android/inputmethod/keyboard/layout/expected/AbstractLayoutBase.java
@@ -109,10 +109,14 @@
     // Icon ids.
     private static final int ICON_DELETE = KeyboardIconsSet.getIconId(
             KeyboardIconsSet.NAME_DELETE_KEY);
+    private static final int ICON_TAB = KeyboardIconsSet.getIconId(
+            KeyboardIconsSet.NAME_TAB_KEY);
     private static final int ICON_SHORTCUT = KeyboardIconsSet.getIconId(
             KeyboardIconsSet.NAME_SHORTCUT_KEY);
     private static final int ICON_SETTINGS = KeyboardIconsSet.getIconId(
             KeyboardIconsSet.NAME_SETTINGS_KEY);
+    private static final int ICON_LANGUAGE_SWITCH = KeyboardIconsSet.getIconId(
+            KeyboardIconsSet.NAME_LANGUAGE_SWITCH_KEY);
     private static final int ICON_ENTER = KeyboardIconsSet.getIconId(
             KeyboardIconsSet.NAME_ENTER_KEY);
     private static final int ICON_EMOJI = KeyboardIconsSet.getIconId(
@@ -120,8 +124,11 @@
 
     // Functional keys.
     public static final ExpectedKey DELETE_KEY = key(ICON_DELETE, Constants.CODE_DELETE);
+    public static final ExpectedKey TAB_KEY = key(ICON_TAB, Constants.CODE_TAB);
     public static final ExpectedKey SHORTCUT_KEY = key(ICON_SHORTCUT, Constants.CODE_SHORTCUT);
     public static final ExpectedKey SETTINGS_KEY = key(ICON_SETTINGS, Constants.CODE_SETTINGS);
+    public static final ExpectedKey LANGUAGE_SWITCH_KEY = key(
+            ICON_LANGUAGE_SWITCH, Constants.CODE_LANGUAGE_SWITCH);
     public static final ExpectedKey ENTER_KEY = key(ICON_ENTER, Constants.CODE_ENTER);
     public static final ExpectedKey EMOJI_KEY = key(ICON_EMOJI, Constants.CODE_EMOJI);
     public static final ExpectedKey SPACE_KEY = key(
diff --git a/tests/src/com/android/inputmethod/keyboard/layout/tests/TestsNoLanguagePcQwerty.java b/tests/src/com/android/inputmethod/keyboard/layout/tests/TestsNoLanguagePcQwerty.java
new file mode 100644
index 0000000..cd8d43c
--- /dev/null
+++ b/tests/src/com/android/inputmethod/keyboard/layout/tests/TestsNoLanguagePcQwerty.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 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.layout.tests;
+
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.android.inputmethod.keyboard.layout.LayoutBase;
+import com.android.inputmethod.keyboard.layout.PcQwerty;
+import com.android.inputmethod.keyboard.layout.PcQwerty.PcQwertyCustomizer;
+import com.android.inputmethod.keyboard.layout.expected.ExpectedKeyboardBuilder;
+
+import java.util.Locale;
+
+/**
+ * zz: Alphabet/pcqwerty
+ */
+@SmallTest
+public final class TestsNoLanguagePcQwerty extends LayoutTestsBase {
+    private static final Locale LOCALE = new Locale("zz");
+    private static final LayoutBase LAYOUT = new PcQwerty(new NoLanguagePcQwertyCustomizer(LOCALE));
+
+    @Override
+    LayoutBase getLayout() { return LAYOUT; }
+
+    private static class NoLanguagePcQwertyCustomizer extends PcQwertyCustomizer {
+        private final NoLanguageCustomizer mNoLanguageCustomizer;
+
+        public NoLanguagePcQwertyCustomizer(final Locale locale) {
+            super(locale);
+            mNoLanguageCustomizer = new NoLanguageCustomizer(locale);
+        }
+
+        @Override
+        public ExpectedKeyboardBuilder setAccentedLetters(final ExpectedKeyboardBuilder builder) {
+            return mNoLanguageCustomizer.setAccentedLetters(builder);
+        }
+    }
+}