Add tests for SystemProperties.java

Change-Id: I878192090848d2c811444a135ec9d8ae6c578ec3

core/tests/systemproperties/Android.mk

@@ -0,0 +1,18 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+# We only want this apk build for tests.
+LOCAL_MODULE_TAGS := tests
+
+# Include all test java files.
+LOCAL_SRC_FILES := \
+	$(call all-java-files-under, src)
+
+LOCAL_DX_FLAGS := --core-library
+LOCAL_STATIC_JAVA_LIBRARIES := core-tests-supportlib android-common frameworks-core-util-lib
+LOCAL_JAVA_LIBRARIES := android.test.runner
+LOCAL_PACKAGE_NAME := FrameworksCoreSystemPropertiesTests
+
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)

core/tests/systemproperties/AndroidManifest.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          android:installLocation="internalOnly"
+          package="com.android.frameworks.coretests.systemproperties"
+          android:sharedUserId="android.uid.system">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name="android.test.InstrumentationTestRunner"
+            android:targetPackage="com.android.frameworks.coretests"
+            android:label="Frameworks Core Tests" />
+
+</manifest>

core/tests/systemproperties/run_core_systemproperties_test.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+  --rebuild ) echo Rebuild && rebuild=true;;
+  * ) com_opts+=($1);;
+  esac
+  shift
+done
+
+if [[ -z $ANDROID_PRODUCT_OUT && $rebuilld == true ]]; then
+  echo You must lunch before running this test.
+  exit 0
+fi
+
+if [[ $rebuild == true ]]; then
+  make -j4 FrameworksCoreSystemPropertiesTests
+  TESTAPP=${ANDROID_PRODUCT_OUT}/data/app/FrameworksCoreSystemPropertiesTests.apk
+fi
+
+adb shell am instrument -w -e class android.os.SystemPropertiesTest com.android.frameworks.coretests.systemproperties/android.test.InstrumentationTestRunner

core/tests/systemproperties/src/android/os/SystemPropertiesTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2011 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 android.os;
+
+import junit.framework.TestCase;
+
+import android.os.SystemProperties;
+import android.test.suitebuilder.annotation.SmallTest;
+
+public class SystemPropertiesTest extends TestCase {
+    private static final String KEY = "sys.testkey";
+    @SmallTest
+    public void testLongSequencialProperties() throws Exception {
+        for (int i = 0; i < 100; ++i) {
+            SystemProperties.set(KEY, Long.toString(i));
+            long ret = SystemProperties.getLong(KEY, -1);
+            assertEquals(i, ret);
+        }
+    }
+
+    @SmallTest
+    public void testProperties() throws Exception {
+        String value;
+
+        SystemProperties.set(KEY, "");
+        value = SystemProperties.get(KEY, "default");
+        assertEquals("default", value);
+
+        SystemProperties.set(KEY, "SA");
+        value = SystemProperties.get(KEY, "default");
+        assertEquals("SA", value);
+
+        value = SystemProperties.get(KEY);
+        assertEquals("SA", value);
+
+        SystemProperties.set(KEY, "");
+        value = SystemProperties.get(KEY, "default");
+        assertEquals("default", value);
+
+        value = SystemProperties.get(KEY);
+        assertEquals("", value);
+    }
+}