| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @summary Tests for exceptions |
| * @build KullaTesting TestingInputStream |
| * @run testng ExceptionsTest |
| */ |
| |
| import jdk.jshell.SnippetEvent; |
| import jdk.jshell.EvalException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import jdk.jshell.Snippet; |
| import org.testng.annotations.Test; |
| |
| import static org.testng.Assert.*; |
| |
| @Test |
| public class ExceptionsTest extends KullaTesting { |
| |
| public void throwUncheckedException() { |
| String message = "error_message"; |
| SnippetEvent cr = assertEvalException("throw new RuntimeException(\"" + message + "\");"); |
| assertExceptionMatch(cr, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "", cr.snippet(), 1))); |
| } |
| |
| public void throwCheckedException() { |
| String message = "error_message"; |
| SnippetEvent cr = assertEvalException("throw new Exception(\"" + message + "\");"); |
| assertExceptionMatch(cr, |
| new ExceptionInfo(Exception.class, message, |
| newStackTraceElement("", "", cr.snippet(), 1))); |
| } |
| |
| public void throwFromStaticMethodOfClass() { |
| String message = "error_message"; |
| Snippet s1 = methodKey(assertEval("void f() { throw new RuntimeException(\"" + message + "\"); }")); |
| Snippet s2 = classKey(assertEval("class A { static void g() { f(); } }")); |
| SnippetEvent cr3 = assertEvalException("A.g();"); |
| assertExceptionMatch(cr3, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "f", s1, 1), |
| newStackTraceElement("A", "g", s2, 1), |
| newStackTraceElement("", "", cr3.snippet(), 1))); |
| } |
| |
| public void throwFromStaticMethodOfInterface() { |
| String message = "error_message"; |
| Snippet s1 = methodKey(assertEval("void f() { throw new RuntimeException(\"" + message + "\"); }")); |
| Snippet s2 = classKey(assertEval("interface A { static void g() { f(); } }")); |
| SnippetEvent cr3 = assertEvalException("A.g();"); |
| assertExceptionMatch(cr3, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "f", s1, 1), |
| newStackTraceElement("A", "g", s2, 1), |
| newStackTraceElement("", "", cr3.snippet(), 1))); |
| } |
| |
| public void throwFromConstructor() { |
| String message = "error_message"; |
| Snippet s1 = methodKey(assertEval("void f() { throw new RuntimeException(\"" + message + "\"); }")); |
| Snippet s2 = classKey(assertEval("class A { A() { f(); } }")); |
| SnippetEvent cr3 = assertEvalException("new A();"); |
| assertExceptionMatch(cr3, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "f", s1, 1), |
| newStackTraceElement("A", "<init>", s2, 1), |
| newStackTraceElement("", "", cr3.snippet(), 1))); |
| } |
| |
| public void throwFromDefaultMethodOfInterface() { |
| String message = "error_message"; |
| Snippet s1 = methodKey(assertEval("void f() { throw new RuntimeException(\"" + message + "\"); }")); |
| Snippet s2 = classKey(assertEval("interface A { default void g() { f(); } }")); |
| SnippetEvent cr3 = assertEvalException("new A() { }.g();"); |
| assertExceptionMatch(cr3, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "f", s1, 1), |
| newStackTraceElement("A", "g", s2, 1), |
| newStackTraceElement("", "", cr3.snippet(), 1))); |
| } |
| |
| public void throwFromLambda() { |
| String message = "lambda"; |
| Snippet s1 = varKey(assertEval( |
| "Runnable run = () -> {\n" + |
| " throw new RuntimeException(\"" + message + "\");\n" + |
| "};" |
| )); |
| SnippetEvent cr2 = assertEvalException("run.run();"); |
| assertExceptionMatch(cr2, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("", "lambda$", s1, 2), |
| newStackTraceElement("", "", cr2.snippet(), 1))); |
| } |
| |
| public void throwFromAnonymousClass() { |
| String message = "anonymous"; |
| Snippet s1 = varKey(assertEval( |
| "Runnable run = new Runnable() {\n" + |
| " public void run() {\n"+ |
| " throw new RuntimeException(\"" + message + "\");\n" + |
| " }\n" + |
| "};" |
| )); |
| SnippetEvent cr2 = assertEvalException("run.run();"); |
| assertExceptionMatch(cr2, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("1", "run", s1, 3), |
| newStackTraceElement("", "", cr2.snippet(), 1))); |
| } |
| |
| public void throwFromLocalClass() { |
| String message = "local"; |
| Snippet s1 = methodKey(assertEval( |
| "void f() {\n" + |
| " class A {\n" + |
| " void f() {\n"+ |
| " throw new RuntimeException(\"" + message + "\");\n" + |
| " }\n" + |
| " }\n" + |
| " new A().f();\n" + |
| "}" |
| )); |
| SnippetEvent cr2 = assertEvalException("f();"); |
| assertExceptionMatch(cr2, |
| new ExceptionInfo(RuntimeException.class, message, |
| newStackTraceElement("1A", "f", s1, 4), |
| newStackTraceElement("", "f", s1, 7), |
| newStackTraceElement("", "", cr2.snippet(), 1))); |
| } |
| |
| @Test(enabled = false) // TODO 8129427 |
| public void outOfMemory() { |
| assertEval("import java.util.*;"); |
| assertEval("List<byte[]> list = new ArrayList<>();"); |
| assertExecuteException("while (true) { list.add(new byte[10000]); }", OutOfMemoryError.class); |
| } |
| |
| public void stackOverflow() { |
| assertEval("void f() { f(); }"); |
| assertExecuteException("f();", StackOverflowError.class); |
| } |
| |
| private StackTraceElement newStackTraceElement(String className, String methodName, Snippet key, int lineNumber) { |
| return new StackTraceElement(className, methodName, "#" + key.id(), lineNumber); |
| } |
| |
| private static class ExceptionInfo { |
| public final Class<? extends Throwable> exception; |
| public final String message; |
| public final StackTraceElement[] stackTraceElements; |
| |
| public ExceptionInfo(Class<? extends Throwable> exception, String message, StackTraceElement...stackTraceElements) { |
| this.exception = exception; |
| this.message = message; |
| this.stackTraceElements = stackTraceElements.length == 0 ? null : stackTraceElements; |
| } |
| } |
| |
| private void assertExecuteException(String input, Class<? extends Throwable> exception) { |
| assertExceptionMatch(assertEvalException(input), new ExceptionInfo(exception, null)); |
| } |
| |
| private void assertExceptionMatch(SnippetEvent cr, ExceptionInfo exceptionInfo) { |
| assertNotNull(cr.exception(), "Expected exception was not thrown: " + exceptionInfo.exception); |
| if (cr.exception() instanceof EvalException) { |
| EvalException ex = (EvalException) cr.exception(); |
| String actualException = ex.getExceptionClassName(); |
| String expectedException = exceptionInfo.exception.getCanonicalName(); |
| String stackTrace = getStackTrace(ex); |
| String source = cr.snippet().source(); |
| assertEquals(actualException, expectedException, |
| String.format("Given \"%s\" expected exception: %s, got: %s%nStack trace:%n%s", |
| source, expectedException, actualException, stackTrace)); |
| if (exceptionInfo.message != null) { |
| assertEquals(ex.getMessage(), exceptionInfo.message, |
| String.format("Given \"%s\" expected message: %s, got: %s", |
| source, exceptionInfo.message, ex.getMessage())); |
| } |
| if (exceptionInfo.stackTraceElements != null) { |
| assertStackTrace(ex.getStackTrace(), exceptionInfo.stackTraceElements, |
| String.format("Given \"%s\"%nStack trace:%n%s%n", |
| source, stackTrace)); |
| } |
| } else { |
| fail("Unexpected execution exceptionInfo: " + cr.exception()); |
| } |
| } |
| |
| private void assertStackTrace(StackTraceElement[] actual, StackTraceElement[] expected, String message) { |
| if (actual != expected) { |
| if (actual == null || expected == null) { |
| fail(message); |
| } else { |
| assertEquals(actual.length, expected.length, message + " : arrays do not have the same size"); |
| for (int i = 0; i < actual.length; ++i) { |
| StackTraceElement actualElement = actual[i]; |
| StackTraceElement expectedElement = expected[i]; |
| assertEquals(actualElement.getClassName(), expectedElement.getClassName(), message + " : class names"); |
| String expectedMethodName = expectedElement.getMethodName(); |
| if (expectedMethodName.startsWith("lambda$")) { |
| assertTrue(actualElement.getMethodName().startsWith("lambda$"), message + " : method names"); |
| } else { |
| assertEquals(actualElement.getMethodName(), expectedElement.getMethodName(), message + " : method names"); |
| } |
| assertEquals(actualElement.getFileName(), expectedElement.getFileName(), message + " : file names"); |
| assertEquals(actualElement.getLineNumber(), expectedElement.getLineNumber(), message + " : line numbers"); |
| } |
| } |
| } |
| } |
| |
| private String getStackTrace(EvalException ex) { |
| StringWriter st = new StringWriter(); |
| ex.printStackTrace(new PrintWriter(st)); |
| return st.toString(); |
| } |
| } |