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authorRaphael <raphael@google.com>2010-09-24 17:02:00 -0700
committerAndroid Git Automerger <android-git-automerger@android.com>2010-09-24 17:02:00 -0700
commitdcc9dced33dd0237d386bd2ca39b2d105b1ec938 (patch)
treeaf1b8c9166a9fad7b03e2d6144313c6c7f7237c1 /tools
parent22ba86cfafaedab650a3bb85417ed4d9c0c57675 (diff)
parentcb7c5498709526e2a2367a7f36f83caf05be5f1a (diff)
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am cb7c5498: am 91512f57: Layoutlib_create: Unittest for ClassHasNativeVisitor.
Merge commit 'cb7c5498709526e2a2367a7f36f83caf05be5f1a' * commit 'cb7c5498709526e2a2367a7f36f83caf05be5f1a': Layoutlib_create: Unittest for ClassHasNativeVisitor.
Diffstat (limited to 'tools')
-rwxr-xr-xtools/layoutlib/create/src/com/android/tools/layoutlib/annotations/Nullable.java35
-rwxr-xr-xtools/layoutlib/create/src/com/android/tools/layoutlib/annotations/VisibleForTesting.java50
-rw-r--r--tools/layoutlib/create/src/com/android/tools/layoutlib/create/ClassHasNativeVisitor.java16
-rw-r--r--tools/layoutlib/create/tests/com/android/tools/layoutlib/create/ClassHasNativeVisitorTest.java98
4 files changed, 196 insertions, 3 deletions
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/Nullable.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/Nullable.java
new file mode 100755
index 0000000..0689c92
--- /dev/null
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/Nullable.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2010 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.layoutlib.annotations;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Denotes a parameter or field can be null.
+ * <p/>
+ * When decorating a method call parameter, this denotes the parameter can
+ * legitimately be null and the method will gracefully deal with it. Typically used
+ * on optional parameters.
+ * <p/>
+ * When decorating a method, this denotes the method might legitimately return null.
+ * <p/>
+ * This is a marker annotation and it has no specific attributes.
+ */
+@Retention(RetentionPolicy.SOURCE)
+public @interface Nullable {
+}
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/VisibleForTesting.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/VisibleForTesting.java
new file mode 100755
index 0000000..e4e016b
--- /dev/null
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/annotations/VisibleForTesting.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010 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.layoutlib.annotations;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Denotes that the class, method or field has its visibility relaxed so
+ * that unit tests can access it.
+ * <p/>
+ * The <code>visibility</code> argument can be used to specific what the original
+ * visibility should have been if it had not been made public or package-private for testing.
+ * The default is to consider the element private.
+ */
+@Retention(RetentionPolicy.SOURCE)
+public @interface VisibleForTesting {
+ /**
+ * Intended visibility if the element had not been made public or package-private for
+ * testing.
+ */
+ enum Visibility {
+ /** The element should be considered protected. */
+ PROTECTED,
+ /** The element should be considered package-private. */
+ PACKAGE,
+ /** The element should be considered private. */
+ PRIVATE
+ }
+
+ /**
+ * Intended visibility if the element had not been made public or package-private for testing.
+ * If not specified, one should assume the element originally intended to be private.
+ */
+ Visibility visibility() default Visibility.PRIVATE;
+}
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ClassHasNativeVisitor.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ClassHasNativeVisitor.java
index 5424efa..722dce2 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ClassHasNativeVisitor.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/ClassHasNativeVisitor.java
@@ -16,6 +16,9 @@
package com.android.tools.layoutlib.create;
+import com.android.tools.layoutlib.annotations.VisibleForTesting;
+import com.android.tools.layoutlib.annotations.VisibleForTesting.Visibility;
+
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
@@ -27,13 +30,18 @@ import org.objectweb.asm.Opcodes;
* Indicates if a class contains any native methods.
*/
public class ClassHasNativeVisitor implements ClassVisitor {
-
+
private boolean mHasNativeMethods = false;
-
+
public boolean hasNativeMethods() {
return mHasNativeMethods;
}
+ @VisibleForTesting(visibility=Visibility.PRIVATE)
+ protected void setHasNativeMethods(boolean hasNativeMethods, String methodName) {
+ mHasNativeMethods = hasNativeMethods;
+ }
+
public void visit(int version, int access, String name, String signature,
String superName, String[] interfaces) {
// pass
@@ -65,7 +73,9 @@ public class ClassHasNativeVisitor implements ClassVisitor {
public MethodVisitor visitMethod(int access, String name, String desc,
String signature, String[] exceptions) {
- mHasNativeMethods |= ((access & Opcodes.ACC_NATIVE) != 0);
+ if ((access & Opcodes.ACC_NATIVE) != 0) {
+ setHasNativeMethods(true, name);
+ }
return null;
}
diff --git a/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/ClassHasNativeVisitorTest.java b/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/ClassHasNativeVisitorTest.java
new file mode 100644
index 0000000..d6916ae
--- /dev/null
+++ b/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/ClassHasNativeVisitorTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2010 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.layoutlib.create;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+import org.objectweb.asm.ClassReader;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+
+/**
+ * Tests {@link ClassHasNativeVisitor}.
+ */
+public class ClassHasNativeVisitorTest {
+
+ @Test
+ public void testHasNative() throws IOException {
+ MockClassHasNativeVisitor cv = new MockClassHasNativeVisitor();
+ ClassReader cr = new ClassReader(
+ "com.android.tools.layoutlib.create.ClassHasNativeVisitorTest$ClassWithNative");
+
+ cr.accept(cv, 0 /* flags */);
+ assertArrayEquals(new String[] { "native_method" }, cv.getMethodsFound());
+ assertTrue(cv.hasNativeMethods());
+ }
+
+ @Test
+ public void testHasNoNative() throws IOException {
+ MockClassHasNativeVisitor cv = new MockClassHasNativeVisitor();
+ ClassReader cr = new ClassReader(
+ "com.android.tools.layoutlib.create.ClassHasNativeVisitorTest$ClassWithoutNative");
+
+ cr.accept(cv, 0 /* flags */);
+ assertArrayEquals(new String[0], cv.getMethodsFound());
+ assertFalse(cv.hasNativeMethods());
+ }
+
+ /**
+ * Overrides {@link ClassHasNativeVisitor} to collec the name of the native methods found.
+ */
+ private static class MockClassHasNativeVisitor extends ClassHasNativeVisitor {
+ private ArrayList<String> mMethodsFound = new ArrayList<String>();
+
+ public String[] getMethodsFound() {
+ return mMethodsFound.toArray(new String[mMethodsFound.size()]);
+ }
+
+ @Override
+ protected void setHasNativeMethods(boolean hasNativeMethods, String methodName) {
+ if (hasNativeMethods) {
+ mMethodsFound.add(methodName);
+ }
+ super.setHasNativeMethods(hasNativeMethods, methodName);
+ }
+ }
+
+ /**
+ * Dummy test class with a native method.
+ */
+ public static class ClassWithNative {
+ public ClassWithNative() {
+ }
+
+ public void callTheNativeMethod() {
+ native_method();
+ }
+
+ private native void native_method();
+ }
+
+ /**
+ * Dummy test class with no native method.
+ */
+ public static class ClassWithoutNative {
+ public ClassWithoutNative() {
+ }
+
+ public void someMethod() {
+ }
+ }
+}