lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/WakelockDetectorTest.java

/*
 * 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.tools.lint.checks;

import com.android.tools.lint.detector.api.Detector;

@SuppressWarnings("javadoc")
public class WakelockDetectorTest extends AbstractCheckTest {
    @Override
    protected Detector getDetector() {
        return new WakelockDetector();
    }

    public void test1() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity1.java:15: Warning: Found a wakelock acquire() but no release() calls anywhere [Wakelock]\n" +
            "        mWakeLock.acquire(); // Never released\n" +
            "                  ~~~~~~~\n" +
            "0 errors, 1 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity1.java.txt=>src/test/pkg/WakelockActivity1.java",
                "bytecode/WakelockActivity1.class.data=>bin/classes/test/pkg/WakelockActivity1.class"
                ));
    }

    public void test2() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity2.java:13: Warning: Wakelocks should be released in onPause, not onDestroy [Wakelock]\n" +
            "            mWakeLock.release(); // Should be done in onPause instead\n" +
            "                      ~~~~~~~\n" +
            "0 errors, 1 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity2.java.txt=>src/test/pkg/WakelockActivity2.java",
                "bytecode/WakelockActivity2.class.data=>bin/classes/test/pkg/WakelockActivity2.class"
                ));
    }

    public void test3() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity3.java:13: Warning: The release() call is not always reached [Wakelock]\n" +
            "        lock.release(); // Should be in finally block\n" +
            "             ~~~~~~~\n" +
            "0 errors, 1 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity3.java.txt=>src/test/pkg/WakelockActivity3.java",
                "bytecode/WakelockActivity3.class.data=>bin/classes/test/pkg/WakelockActivity3.class"
                ));
    }

    public void test4() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity4.java:10: Warning: The release() call is not always reached [Wakelock]\n" +
            "        getLock().release(); // Should be in finally block\n" +
            "                  ~~~~~~~\n" +
            "0 errors, 1 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity4.java.txt=>src/test/pkg/WakelockActivity4.java",
                "bytecode/WakelockActivity4.class.data=>bin/classes/test/pkg/WakelockActivity4.class"
                ));
    }

    public void test5() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity5.java:13: Warning: The release() call is not always reached [Wakelock]\n" +
            "        lock.release(); // Should be in finally block\n" +
            "             ~~~~~~~\n" +
            "0 errors, 1 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity5.java.txt=>src/test/pkg/WakelockActivity5.java",
                "bytecode/WakelockActivity5.class.data=>bin/classes/test/pkg/WakelockActivity5.class"
                ));
    }

    public void test6() throws Exception {
        assertEquals(
            "src/test/pkg/WakelockActivity6.java:19: Warning: The release() call is not always reached [Wakelock]\n" +
            "            lock.release(); // Wrong\n" +
            "                 ~~~~~~~\n" +
            "src/test/pkg/WakelockActivity6.java:28: Warning: The release() call is not always reached [Wakelock]\n" +
            "            lock.release(); // Wrong\n" +
            "                 ~~~~~~~\n" +
            "src/test/pkg/WakelockActivity6.java:65: Warning: The release() call is not always reached [Wakelock]\n" +
            "        lock.release(); // Wrong\n" +
            "             ~~~~~~~\n" +
            "0 errors, 3 warnings\n" +
            "",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity6.java.txt=>src/test/pkg/WakelockActivity6.java",
                "bytecode/WakelockActivity6.class.data=>bin/classes/test/pkg/WakelockActivity6.class"
                ));
    }

    public void test7() throws Exception {
        assertEquals(
            "No warnings.",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "res/layout/onclick.xml=>res/layout/onclick.xml",
                "bytecode/WakelockActivity7.java.txt=>src/test/pkg/WakelockActivity7.java",
                "bytecode/WakelockActivity7.class.data=>bin/classes/test/pkg/WakelockActivity7.class"
                ));
    }

    public void test8() throws Exception {
        assertEquals(
            "No warnings.",

            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/WakelockActivity8.java.txt=>src/test/pkg/WakelockActivity8.java",
                "bytecode/WakelockActivity8.class.data=>bin/classes/test/pkg/WakelockActivity8.class"
                ));
    }

    public void test9() throws Exception {
        // Regression test for 66040
        assertEquals(
                "No warnings.",

                lintProject(
                        "bytecode/.classpath=>.classpath",
                        "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                        "bytecode/WakelockActivity9.java.txt=>src/test/pkg/WakelockActivity9.java",
                        "bytecode/WakelockActivity9.class.data=>bin/classes/test/pkg/WakelockActivity9.class"
                ));
    }

    public void testFlags() throws Exception {
        assertEquals(""
                + "src/test/pkg/PowerManagerFlagTest.java:15: Warning: Should not set both PARTIAL_WAKE_LOCK and ACQUIRE_CAUSES_WAKEUP. If you do not want the screen to turn on, get rid of ACQUIRE_CAUSES_WAKEUP [Wakelock]\n"
                + "        pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK|ACQUIRE_CAUSES_WAKEUP, \"Test\"); // Bad\n"
                + "           ~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",

                lintProject(
                        "bytecode/.classpath=>.classpath",
                        "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                        "bytecode/PowerManagerFlagTest.java.txt=>src/test/pkg/PowerManagerFlagTest.java",
                        "bytecode/PowerManagerFlagTest.class.data=>bin/classes/test/pkg/PowerManagerFlagTest.class"
                ));
    }
}