/*
* 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", "ClassNameDiffersFromFileName"})
public class HandlerDetectorTest extends AbstractCheckTest {
@Override
protected Detector getDetector() {
return new HandlerDetector();
}
public void testRegistered() throws Exception {
assertEquals(
"src/test/pkg/HandlerTest.java:12: Warning: This Handler class should be static or leaks might occur (test.pkg.HandlerTest.Inner) [HandlerLeak]\n" +
" public class Inner extends Handler { // ERROR\n" +
" ~~~~~\n" +
"src/test/pkg/HandlerTest.java:18: Warning: This Handler class should be static or leaks might occur (new android.os.Handler(){}) [HandlerLeak]\n" +
" Handler anonymous = new Handler() { // ERROR\n" +
" ^\n" +
"0 errors, 2 warnings\n",
lintProject(
"bytecode/HandlerTest.java.txt=>src/test/pkg/HandlerTest.java",
"bytecode/HandlerTest.class.data=>bin/classes/test/pkg/HandlerTest.class",
"bytecode/HandlerTest$Inner.class.data=>bin/classes/test/pkg/HandlerTest$Inner.class",
"bytecode/HandlerTest$StaticInner.class.data=>bin/classes/test/pkg/HandlerTest$StaticInner.class",
"bytecode/HandlerTest$WithArbitraryLooper.class.data=>bin/classes/test/pkg/HandlerTest$WithArbitraryLooper.class",
"bytecode/HandlerTest$1.class.data=>bin/classes/test/pkg/HandlerTest$1.class",
"bytecode/HandlerTest$2.class.data=>bin/classes/test/pkg/HandlerTest$2.class"));
}
public void testSuppress() throws Exception {
assertEquals("No warnings.",
lintProject(
java("src/test/pkg/CheckActivity.java", ""
+ "package test.pkg;\n"
+ "import android.annotation.SuppressLint;\n"
+ "import android.app.Activity;\n"
+ "import android.os.Handler;\n"
+ "import android.os.Message;\n"
+ "\n"
+ "public class CheckActivity extends Activity {\n"
+ "\n"
+ " @SuppressWarnings(\"unused\")\n"
+ " @SuppressLint(\"HandlerLeak\")\n"
+ " Handler handler = new Handler() {\n"
+ "\n"
+ " public void handleMessage(Message msg) {\n"
+ "\n"
+ " }\n"
+ " };\n"
+ "\n"
+ "}")
));
}
}