Straighten the dead char implementation, take 3.

Change-Id: I4f70f6eebe076c7d2b780d25e3a2c1d3faa2edfa

1 files changed, 215 insertions, 0 deletions

diff --git a/tests/src/com/android/inputmethod/latin/InputLogicTestsDeadKeys.java b/tests/src/com/android/inputmethod/latin/InputLogicTestsDeadKeys.java
new file mode 100644
index 000000000..afe7dbe70
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/InputLogicTestsDeadKeys.java
@@ -0,0 +1,215 @@
+/*
+ * 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.latin;
+
+import android.test.suitebuilder.annotation.LargeTest;
+
+import com.android.inputmethod.event.Event;
+
+import java.util.ArrayList;
+
+@LargeTest
+public class InputLogicTestsDeadKeys extends InputTestsBase {
+    // A helper class for readability
+    private static class EventList extends ArrayList<Event> {
+        public EventList addCodePoint(final int codePoint, final boolean isDead) {
+            final Event event;
+            if (isDead) {
+                event = Event.createDeadEvent(codePoint, Event.NOT_A_KEY_CODE, null /* next */);
+            } else {
+                event = Event.createSoftwareKeypressEvent(codePoint, Event.NOT_A_KEY_CODE,
+                        Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
+                        false /* isKeyRepeat */);
+            }
+            add(event);
+            return this;
+        }
+
+        public EventList addKey(final int keyCode) {
+            add(Event.createSoftwareKeypressEvent(Event.NOT_A_CODE_POINT, keyCode,
+                    Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
+                    false /* isKeyRepeat */));
+            return this;
+        }
+    }
+
+    public void testDeadCircumflexSimple() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final String EXPECTED_RESULT = "aê";
+        final EventList events = new EventList()
+                .addCodePoint('a', false)
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
+                .addCodePoint('e', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("simple dead circumflex", EXPECTED_RESULT, mEditText.getText().toString());
+    }
+
+    public void testDeadCircumflexBackspace() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final String EXPECTED_RESULT = "ae";
+        final EventList events = new EventList()
+                .addCodePoint('a', false)
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
+                .addKey(Constants.CODE_DELETE)
+                .addCodePoint('e', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead circumflex backspace", EXPECTED_RESULT, mEditText.getText().toString());
+    }
+
+    public void testDeadCircumflexFeedback() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final String EXPECTED_RESULT = "a\u02C6";
+        final EventList events = new EventList()
+                .addCodePoint('a', false)
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead circumflex gives feedback", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDeadDiaeresisSpace() {
+        final int MODIFIER_LETTER_DIAERESIS = 0xA8;
+        final String EXPECTED_RESULT = "a\u00A8e\u00A8i";
+        final EventList events = new EventList()
+                .addCodePoint('a', false)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addCodePoint(Constants.CODE_SPACE, false)
+                .addCodePoint('e', false)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addCodePoint(Constants.CODE_ENTER, false)
+                .addCodePoint('i', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead diaeresis space commits the dead char", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDeadAcuteLetterBackspace() {
+        final int MODIFIER_LETTER_ACUTE = 0xB4;
+        final String EXPECTED_RESULT1 = "aá";
+        final String EXPECTED_RESULT2 = "a";
+        final EventList events = new EventList()
+                .addCodePoint('a', false)
+                .addCodePoint(MODIFIER_LETTER_ACUTE, true)
+                .addCodePoint('a', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead acute on a typed", EXPECTED_RESULT1, mEditText.getText().toString());
+        mLatinIME.onEvent(Event.createSoftwareKeypressEvent(Event.NOT_A_CODE_POINT,
+                Constants.CODE_DELETE, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE,
+                false /* isKeyRepeat */));
+        assertEquals("a with acute deleted", EXPECTED_RESULT2, mEditText.getText().toString());
+    }
+
+    public void testFinnishStroke() {
+        final int MODIFIER_LETTER_STROKE = '-';
+        final String EXPECTED_RESULT = "x\u0110\u0127";
+        final EventList events = new EventList()
+                .addCodePoint('x', false)
+                .addCodePoint(MODIFIER_LETTER_STROKE, true)
+                .addCodePoint('D', false)
+                .addCodePoint(MODIFIER_LETTER_STROKE, true)
+                .addCodePoint('h', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("Finnish dead stroke", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDoubleDeadOgonek() {
+        final int MODIFIER_LETTER_OGONEK = 0x02DB;
+        final String EXPECTED_RESULT = "txǫs\u02DBfk";
+        final EventList events = new EventList()
+                .addCodePoint('t', false)
+                .addCodePoint('x', false)
+                .addCodePoint(MODIFIER_LETTER_OGONEK, true)
+                .addCodePoint('o', false)
+                .addCodePoint('s', false)
+                .addCodePoint(MODIFIER_LETTER_OGONEK, true)
+                .addCodePoint(MODIFIER_LETTER_OGONEK, true)
+                .addCodePoint('f', false)
+                .addCodePoint(MODIFIER_LETTER_OGONEK, true)
+                .addCodePoint(MODIFIER_LETTER_OGONEK, true)
+                .addKey(Constants.CODE_DELETE)
+                .addCodePoint('k', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("double dead ogonek, and backspace", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDeadCircumflexDeadDiaeresis() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final int MODIFIER_LETTER_DIAERESIS = 0xA8;
+        final String EXPECTED_RESULT = "r̂̈";
+
+        final EventList events = new EventList()
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addCodePoint('r', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("both circumflex and diaeresis on r", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDeadCircumflexDeadDiaeresisBackspace() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final int MODIFIER_LETTER_DIAERESIS = 0xA8;
+        final String EXPECTED_RESULT = "û";
+
+        final EventList events = new EventList()
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addKey(Constants.CODE_DELETE)
+                .addCodePoint('u', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead circumflex, dead diaeresis, backspace, u", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+
+    public void testDeadCircumflexDoubleDeadDiaeresisBackspace() {
+        final int MODIFIER_LETTER_CIRCUMFLEX_ACCENT = 0x02C6;
+        final int MODIFIER_LETTER_DIAERESIS = 0xA8;
+        final String EXPECTED_RESULT = "\u02C6u";
+
+        final EventList events = new EventList()
+                .addCodePoint(MODIFIER_LETTER_CIRCUMFLEX_ACCENT, true)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addCodePoint(MODIFIER_LETTER_DIAERESIS, true)
+                .addKey(Constants.CODE_DELETE)
+                .addCodePoint('u', false);
+        for (final Event event : events) {
+            mLatinIME.onEvent(event);
+        }
+        assertEquals("dead circumflex, double dead diaeresis, backspace, u", EXPECTED_RESULT,
+                mEditText.getText().toString());
+    }
+}