test/jdk/com/sun/jdi/FramesTest.java
changeset 47216 71c04702a3d5
parent 44423 306c020eb154
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/com/sun/jdi/FramesTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2001, 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
+ * @bug 4434232
+ * @summary Test ThreadReference.frames(int,int)
+ * @author Robert Field
+ *
+ * @run build TestScaffold VMConnection TargetListener TargetAdapter
+ * @run compile -g FramesTest.java
+ * @run driver FramesTest
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import com.sun.jdi.request.*;
+
+import java.util.*;
+
+    /********** target program **********/
+
+class FramesTarg {
+    static void foo3() {
+        System.out.println("executing foo3");
+    }
+    static void foo2() {
+        foo3();
+    }
+    static void foo1() {
+        foo2();
+    }
+    public static void main(String[] args){
+        System.out.println("Howdy!");
+        foo1();
+    }
+}
+
+    /********** test program **********/
+
+public class FramesTest extends TestScaffold {
+    ReferenceType targetClass;
+    ThreadReference mainThread;
+
+    static String[] expectedNames = {"foo3", "foo2", "foo1", "main"};
+
+    FramesTest (String args[]) {
+        super(args);
+    }
+
+    public static void main(String[] args)      throws Exception {
+        new FramesTest(args).startTests();
+    }
+
+    /********** test assist **********/
+
+    void exceptionTest(int start, int length) {
+        boolean gotException = false;
+        try {
+            mainThread.frames(start, length);
+        } catch (IndexOutOfBoundsException exc) {
+            gotException = true;
+        } catch (Exception exc) {
+            failure("unexpected exception thrown for: " +
+                    "start = " + start + ", length = " + length +
+                    " - " + exc);
+            gotException = true;
+        }
+        if (!gotException) {
+            failure("expected IndexOutOfBoundsException " +
+                    "not thrown for: " +
+                    "start = " + start + ", length = " + length);
+        }
+    }
+
+    void nameTest(int start, int length) {
+        try {
+            List fs = mainThread.frames(start, length);
+            if (fs.size() != length) {
+                failure("wrong length for: " +
+                        "start = " + start + ", length = " + length);
+            }
+            for (int i = 0; i < length; ++i) {
+                StackFrame sf = (StackFrame)(fs.get(i));
+                String name = sf.location().method().name();
+                String expected = expectedNames[start+i];
+                if (!name.equals(expected)) {
+                    failure("bad frame entry (" + start + "," + length +
+                            ") - expected " + expected +
+                            ", got " + name);
+                }
+            }
+        } catch (Exception exc) {
+            failure("unexpected exception thrown for: " +
+                    "start = " + start + ", length = " + length +
+                    " - " + exc);
+        }
+    }
+
+    /********** test core **********/
+
+    protected void runTests() throws Exception {
+        /*
+         * Get to the top of main()
+         * to determine targetClass and mainThread
+         */
+        BreakpointEvent bpe = startToMain("FramesTarg");
+        targetClass = bpe.location().declaringType();
+        mainThread = bpe.thread();
+
+        int initialSize = mainThread.frames().size();
+
+        resumeTo("FramesTarg", "foo3", "()V");
+
+        if (!mainThread.frame(0).location().method().name()
+                        .equals("foo3")) {
+            failure("frame failed");
+        }
+
+        if (mainThread.frames().size() != (initialSize + 3)) {
+            failure("frames size failed");
+        }
+
+        if (mainThread.frames().size() != mainThread.frameCount()) {
+            failure("frames size not equal to frameCount");
+        }
+
+        exceptionTest(-1, 1);
+        exceptionTest(mainThread.frameCount(), 1);
+        exceptionTest(0, -1);
+        exceptionTest(0, -2);
+        exceptionTest(0, mainThread.frameCount()+1);
+
+        nameTest(0, 0);
+        nameTest(0, 1);
+        nameTest(0, 4);
+        nameTest(2, 2);
+        nameTest(1, 1);
+
+        /*
+         * resume until end
+         */
+        listenUntilVMDisconnect();
+
+        /*
+         * deal with results of test
+         * if anything has called failure("foo") testFailed will be true
+         */
+        if (!testFailed) {
+            println("FramesTest: passed");
+        } else {
+            throw new Exception("FramesTest: failed");
+        }
+    }
+}