changeset 19269:3182213b9bbb

Add test to ensure that init messages go to the right stream
author alanb
date Wed, 15 Mar 2017 09:41:19 +0000
parents 4db5bc28fa87
children 87da44c3cf2b
files test/tools/launcher/modules/basic/InitErrors.java
diffstat 1 files changed, 116 insertions(+), 0 deletions(-) [+]
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/launcher/modules/basic/InitErrors.java	Wed Mar 15 09:41:19 2017 +0000
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2017, 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
+ * @library /lib/testlibrary
+ * @build InitErrors jdk.testlibrary.*
+ * @run testng InitErrors
+ * @summary Basic test to ensure that module system initialization errors
+ *          go the right stream and with the right level of verbosity
+ */
+
+
+import java.util.Arrays;
+import jdk.testlibrary.ProcessTools;
+import jdk.testlibrary.OutputAnalyzer;
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+public class InitErrors {
+
+    // the option to cause module initialization to fail
+    private static final String ADD_UNKNOWN_MODULE = "--add-modules=XXX";
+
+    // the expected error message
+    private static final String UNKNOWN_MODULE_NOT_FOUND= "Module XXX not found";
+
+    // output expected in the stack trace when using -Xlog:init=debug
+    private static final String STACK_FRAME = "java.base/java.lang.System.initPhase2";
+
+
+    /**
+     * Default behavior, send error message to stdout
+     */
+    @Test
+    public void testDefaultOutput() throws Exception {
+        expectFail(showVersion(ADD_UNKNOWN_MODULE)
+                .stdoutShouldContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stdoutShouldNotContain(STACK_FRAME)
+                .stderrShouldNotContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stderrShouldNotContain(STACK_FRAME));
+    }
+
+    /**
+     * -XX:+DisplayVMOutputToStderr should send error message to stderr
+     */
+    @Test
+    public void testOutputToStderr() throws Exception {
+        expectFail(showVersion(ADD_UNKNOWN_MODULE, "-XX:+DisplayVMOutputToStderr")
+                .stdoutShouldNotContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stdoutShouldNotContain(STACK_FRAME)
+                .stderrShouldContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stderrShouldNotContain(STACK_FRAME));
+    }
+
+    /**
+     * -Xlog:init=debug should print stack trace to stdout
+     */
+    @Test
+    public void testStackTrace() throws Exception {
+        expectFail(showVersion(ADD_UNKNOWN_MODULE, "-Xlog:init=debug")
+                .stdoutShouldContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stdoutShouldContain(STACK_FRAME)
+                .stderrShouldNotContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stderrShouldNotContain(STACK_FRAME));
+    }
+
+    /**
+     * -Xlog:init=debug -XX:+DisplayVMOutputToStderr should print stack trace
+     * to stderr
+     */
+    @Test
+    public void testStackTraceToStderr() throws Exception {
+        expectFail(showVersion(ADD_UNKNOWN_MODULE,
+                               "-Xlog:init=debug",
+                               "-XX:+DisplayVMOutputToStderr")
+                .stdoutShouldNotContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stdoutShouldNotContain(STACK_FRAME)
+                .stderrShouldContain(UNKNOWN_MODULE_NOT_FOUND)
+                .stderrShouldContain(STACK_FRAME));
+    }
+
+    private OutputAnalyzer showVersion(String... args) throws Exception {
+        int len = args.length;
+        args = Arrays.copyOf(args, len+1);
+        args[len] = "-version";
+        return ProcessTools.executeTestJava(args)
+                .outputTo(System.out)
+                .errorTo(System.out);
+    }
+
+    private void expectFail(OutputAnalyzer output) {
+        assertFalse(output.getExitValue() == 0);
+    }
+
+}