Add tests for j.l.i.LambdaConversionException constructors
Covers:
- LambdaConversionException()
- LambdaConversionException(java.lang.String)
- LambdaConversionException(java.lang.String,java.lang.Throwable)
- LambdaConversionException(java.lang.String,java.lang.Throwable, boolean, boolean)
- LambdaConversionException(java.lang.Throwable)
Bug: 182166070
Test: atest core-tests:libcore.java.lang.invoke.LambdaConversionExceptionTest
Change-Id: Icc217b0c7a5cac4007402d0276038e06ade4d9ea
diff --git a/luni/src/test/java/libcore/java/lang/invoke/LambdaConversionExceptionTest.java b/luni/src/test/java/libcore/java/lang/invoke/LambdaConversionExceptionTest.java
new file mode 100644
index 0000000..06a923a
--- /dev/null
+++ b/luni/src/test/java/libcore/java/lang/invoke/LambdaConversionExceptionTest.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2021 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.invoke;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.lang.invoke.LambdaConversionException;
+
+@RunWith(JUnit4.class)
+public class LambdaConversionExceptionTest {
+ private static final String MESSAGE = "message";
+
+ @Test
+ public void constructor() {
+ try {
+ throw new LambdaConversionException();
+ } catch (LambdaConversionException e) {
+ assertNull(e.getMessage());
+ assertNull(e.getCause());
+ }
+ }
+
+ @Test
+ public void constructorLString() {
+ try {
+ throw new LambdaConversionException(MESSAGE);
+ } catch (LambdaConversionException e) {
+ assertEquals(MESSAGE, e.getMessage());
+ assertNull(e.getCause());
+ }
+ }
+
+ @Test
+ public void constructorLStringLThrowable() {
+ try {
+ try {
+ throw new IllegalArgumentException();
+ } catch (Throwable t) {
+ throw new LambdaConversionException(MESSAGE, t);
+ }
+ } catch (LambdaConversionException e) {
+ assertEquals(MESSAGE, e.getMessage());
+ assertTrue(e.getCause() instanceof IllegalArgumentException);
+ }
+ }
+
+ @Test
+ public void constructorLThrowable() {
+ try {
+ try {
+ throw new IllegalArgumentException();
+ } catch (Throwable t) {
+ throw new LambdaConversionException(t);
+ }
+ } catch (LambdaConversionException e) {
+ assertEquals("java.lang.IllegalArgumentException", e.getMessage());
+ assertTrue(e.getCause() instanceof IllegalArgumentException);
+ }
+
+ try {
+ throw new LambdaConversionException((Throwable) null);
+ } catch (LambdaConversionException e) {
+ assertNull(e.getMessage());
+ assertNull(e.getCause());
+ }
+ }
+
+ @Test
+ public void constructorWithSuppressionsAndWritableStackTraces() {
+ boolean trueAndFalse[] = { true, false };
+
+ for (boolean enableSuppression : trueAndFalse) {
+ for (boolean writableStackTrace : trueAndFalse) {
+ try {
+ throw new LambdaConversionException(MESSAGE, null, enableSuppression,
+ writableStackTrace);
+ } catch (LambdaConversionException e) {
+ assertEquals(MESSAGE, e.getMessage());
+
+ // Check if exceptions can be suppressed.
+ e.addSuppressed(new LambdaConversionException());
+ boolean haveSuppressed = (e.getSuppressed().length == 1);
+ assertEquals(enableSuppression, haveSuppressed);
+
+ // Check if stack trace is writable.
+ boolean stackTraceHasElements = (0 != e.getStackTrace().length);
+ assertEquals(writableStackTrace, stackTraceHasElements);
+ if (stackTraceHasElements) {
+ // Only a writable stack trace has elements present. Now re-write it.
+ e.setStackTrace(new StackTraceElement[0]);
+ boolean wroteStackTrace = (e.getStackTrace().length == 0);
+ assertEquals(writableStackTrace, wroteStackTrace);
+ }
+ }
+ }
+ }
+ }
+}
