| /* |
| * Copyright (C) 2007 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 libcore.java.lang; |
| |
| import junit.framework.TestCase; |
| |
| public class OldStackTraceElementTest extends TestCase { |
| |
| public class Original extends TestCase { |
| |
| public void pureJavaMethod(Object test) throws Exception { |
| throw new Exception("pure java method"); |
| } |
| |
| native public void pureNativeMethod(Object test); |
| } |
| |
| private Original original; |
| |
| @Override |
| protected void setUp() throws Exception { |
| original = new Original(); |
| super.setUp(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| public void test_ConstructorLjava_lang_StringLjava_lang_StringLjava_lang_StringI() { |
| StackTraceElement ste2 = null; |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| StackTraceElement ste1 = e.getStackTrace()[0]; |
| ste2 = new StackTraceElement(ste1.getClassName(), |
| ste1.getMethodName(), |
| ste1.getFileName(), |
| ste1.getLineNumber()); |
| assertEquals("Incorrect value of class name", |
| ste1.getClassName(), ste2.getClassName()); |
| assertEquals("Incorrect value of method name", |
| ste1.getMethodName(), ste2.getMethodName()); |
| assertEquals("Incorrect value of file name", |
| ste1.getFileName(), ste2.getFileName()); |
| assertEquals("Incorrect value of line number", |
| ste1.getLineNumber(), ste2.getLineNumber()); |
| } |
| assertNotNull("Incorrect stack trace object", ste2); |
| try { |
| new StackTraceElement(null, |
| ste2.getMethodName(), |
| ste2.getFileName(), |
| ste2.getLineNumber()); |
| fail("Expected NullPointerException was not thrown"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| try { |
| new StackTraceElement(ste2.getClassName(), |
| null, |
| ste2.getFileName(), |
| ste2.getLineNumber()); |
| fail("Expected NullPointerException was not thrown"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| try { |
| new StackTraceElement(ste2.getClassName(), |
| ste2.getMethodName(), |
| null, |
| ste2.getLineNumber()); |
| } catch (NullPointerException e) { |
| fail("Unexpected exception " + e.toString()); |
| } |
| } |
| |
| public void test_equalsLjava_lang_Object() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| StackTraceElement ste1 = e.getStackTrace()[0]; |
| StackTraceElement ste2 = |
| new StackTraceElement(ste1.getClassName(), |
| ste1.getMethodName(), |
| ste1.getFileName(), |
| ste1.getLineNumber()); |
| assertEquals("Objects are equaled", ste1, ste2); |
| } |
| } |
| |
| public void test_getClassName() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| assertEquals("Incorrect class name", |
| "libcore.java.lang.OldStackTraceElementTest$Original", |
| e.getStackTrace()[0].getClassName()); |
| assertEquals("Incorrect class name", |
| "libcore.java.lang.OldStackTraceElementTest", |
| e.getStackTrace()[1].getClassName()); |
| } |
| } |
| |
| public void test_getFileName() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| assertEquals("Incorrect file name", |
| "OldStackTraceElementTest.java", |
| e.getStackTrace()[0].getFileName()); |
| assertEquals("Incorrect file name", |
| "OldStackTraceElementTest.java", |
| e.getStackTrace()[1].getFileName()); |
| } |
| } |
| |
| public void test_getLineNumber() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| assertEquals("Incorrect line number", |
| 26, e.getStackTrace()[0].getLineNumber()); |
| } |
| } |
| |
| public void test_getMethodName() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| assertEquals("Incorrect method name", |
| "pureJavaMethod", |
| e.getStackTrace()[0].getMethodName()); |
| assertEquals("Incorrect method name", |
| "test_getMethodName", |
| e.getStackTrace()[1].getMethodName()); |
| } |
| } |
| |
| public void test_hashCode() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| StackTraceElement ste1 = e.getStackTrace()[0]; |
| StackTraceElement ste2 = |
| new StackTraceElement(ste1.getClassName(), |
| ste1.getMethodName(), |
| ste1.getFileName(), |
| ste1.getLineNumber()); |
| assertEquals("Incorrect value of hash code", |
| ste1.hashCode(), ste2.hashCode()); |
| assertFalse("Incorrect value of hash code", |
| ste1.hashCode() == e.getStackTrace()[1].hashCode()); |
| } |
| } |
| |
| public void test_isNativeMethod() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| assertFalse("Incorrect method type", |
| e.getStackTrace()[0].isNativeMethod()); |
| } |
| try { |
| original.pureNativeMethod(new Object()); |
| fail(); |
| } catch (Error e) { |
| assertTrue("Incorrect method type", |
| e.getStackTrace()[0].isNativeMethod()); |
| } |
| } |
| |
| public void test_toString() { |
| try { |
| original.pureJavaMethod(new Object()); |
| fail(); |
| } catch (Exception e) { |
| StackTraceElement ste = e.getStackTrace()[0]; |
| assertTrue("String representation doesn't contain a package name", |
| ste.toString().contains(getClass().getPackage().getName())); |
| assertTrue("String representation doesn't contain a class name", |
| ste.toString().contains("Original")); |
| assertTrue("String representation doesn't contain a file name", |
| ste.toString().contains("OldStackTraceElementTest.java")); |
| assertTrue("String representation doesn't contain a line number", |
| ste.toString().contains("26")); |
| assertTrue("String representation doesn't contain a method name", |
| ste.toString().contains("pureJavaMethod")); |
| } |
| } |
| } |