Postponing memory deallocation after onFinishInputView

Bug: 17559789
Change-Id: I1d4b1524028164d27ec4eadd3960b567148f2b84

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/src/com/android/inputmethod/latin/LatinIMEForTests.java b/tests/src/com/android/inputmethod/latin/LatinIMEForTests.java
index e47c55736..035c8d7ce 100644
--- a/tests/src/com/android/inputmethod/latin/LatinIMEForTests.java
+++ b/tests/src/com/android/inputmethod/latin/LatinIMEForTests.java
@@ -21,4 +21,16 @@ public class LatinIMEForTests extends LatinIME {
     public boolean isInputViewShown() {
         return true;
     }
+
+    private boolean deallocateMemoryWasPerformed = false;
+
+    @Override
+    protected void deallocateMemory() {
+        super.deallocateMemory();
+        deallocateMemoryWasPerformed = true;
+    }
+
+    public boolean getDeallocateMemoryWasPerformed() {
+        return deallocateMemoryWasPerformed;
+    }
 }
diff --git a/tests/src/com/android/inputmethod/latin/LatinImeTests.java b/tests/src/com/android/inputmethod/latin/LatinImeTests.java
new file mode 100644
index 000000000..c6f631328
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/LatinImeTests.java
@@ -0,0 +1,40 @@
+/*
+ * 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;
+
+@LargeTest
+public class LatinImeTests extends InputTestsBase {
+    public void testDeferredDeallocation_doesntHappenBeforeTimeout() {
+        mLatinIME.mHandler.onFinishInputView(true);
+        runMessages();
+        sleep(1000); // 1s
+        runMessages();
+        assertFalse("memory deallocation performed before timeout passed",
+                ((LatinIMEForTests)mLatinIME).getDeallocateMemoryWasPerformed());
+    }
+
+    public void testDeferredDeallocation_doesHappenAfterTimeout() {
+        mLatinIME.mHandler.onFinishInputView(true);
+        runMessages();
+        sleep(11000); // 11s (timeout is at 10s)
+        runMessages();
+        assertTrue("memory deallocation not performed although timeout passed",
+                ((LatinIMEForTests)mLatinIME).getDeallocateMemoryWasPerformed());
+    }
+}