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+/*
+ * Copyright (c) 2014, 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.
+ */
+
+/**
+ * JDK-8044798: API for debugging Nashorn
+ *
+ * @test
+ * @run
+ */
+
+// basic API exercise checks
+
+var Arrays = Java.type("java.util.Arrays");
+var CharArray = Java.type("char[]");
+var DebuggerSupport = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport");
+var DebuggerValueDesc = Java.type("jdk.nashorn.internal.runtime.DebuggerSupport.DebuggerValueDesc");
+
+var valueDescFields = DebuggerValueDesc.class.declaredFields;
+Arrays.sort(valueDescFields, function(f1, f2) f1.name.compareTo(f2.name));
+var keyField;
+for each (var f in valueDescFields) {
+ if (f.name == "key") {
+ keyField = f;
+ }
+ f.accessible = true;
+}
+
+var debuggerSupportMethods = DebuggerSupport.class.declaredMethods;
+
+// methods of DebuggerSupport that we use
+var evalMethod, valueInfoMethod, valueInfosMethod;
+var getSourceInfoMethod, valueAsStringMethod;
+
+for each (var m in debuggerSupportMethods) {
+ m.accessible = true;
+ switch (m.name) {
+ case "eval":
+ evalMethod = m;
+ break;
+ case "valueInfo":
+ if (m.parameterCount == 3) {
+ valueInfoMethod = m;
+ }
+ break;
+ case "valueInfos":
+ valueInfosMethod = m;
+ break;
+ case "valueAsString":
+ valueAsStringMethod = m;
+ break;
+ case "getSourceInfo":
+ getSourceInfoMethod = m;
+ break;
+ }
+}
+
+// eval
+var value = evalMethod.invoke(null, null, null, "33 + 55", false);
+print(value);
+
+// valueInfo
+var info = valueInfoMethod.invoke(null, "apply", Function, true);
+for each (var f in valueDescFields) {
+ print(f.name, "=", f.get(info));
+}
+
+// valueInfo - user defined object
+var info = valueInfoMethod.invoke(null, "foo", { foo: 343 }, true);
+for each (var f in valueDescFields) {
+ print(f.name, "=", f.get(info));
+}
+
+// valueInfos
+var infos = valueInfosMethod.invoke(null, Object, true);
+Arrays.sort(infos, function (i1, i2) keyField.get(i1).compareTo(keyField.get(i2)));
+
+for each (var info in infos) {
+ for each (var f in valueDescFields) {
+ print(f.name, "=", f.get(info));
+ }
+}
+
+// valueInfos - user defined object
+var infos = valueInfosMethod.invoke(null, { foo: 34, bar: "hello" }, true);
+Arrays.sort(infos, function (i1, i2) keyField.get(i1).compareTo(keyField.get(i2)));
+
+for each (var info in infos) {
+ for each (var f in valueDescFields) {
+ print(f.name, "=", f.get(info));
+ }
+}
+
+// valueAsString
+function printValue(value) {
+ print(valueAsStringMethod.invoke(null, value));
+}
+
+printValue(undefined);
+printValue(null);
+printValue("hello");
+printValue(Math.PI);
+printValue(this);
+
+// The below are not part of DebuggerSupport. But we need these to
+// test DebuggerSupport.getSourceInfo etc. which need compiled script class
+
+var Source = Java.type("jdk.nashorn.internal.runtime.Source");
+var Context = Java.type("jdk.nashorn.internal.runtime.Context");
+var sourceCls = Source.class;
+var errorMgrCls = Java.type("jdk.nashorn.internal.runtime.ErrorManager").class;
+var booleanCls = Java.type("java.lang.Boolean").TYPE;
+
+// private compile method of Context class
+var compileMethod = Context.class.getDeclaredMethod("compile",
+ sourceCls, errorMgrCls, booleanCls);
+compileMethod.accessible = true;
+
+var scriptCls = compileMethod.invoke(Context.context,
+ Source.sourceFor("test", "print('hello')"),
+ new Context.ThrowErrorManager(), false);
+
+var SCRIPT_CLASS_NAME_PREFIX = "jdk.nashorn.internal.scripts.Script$";
+print("script class name pattern satisfied? " +
+ scriptCls.name.startsWith(SCRIPT_CLASS_NAME_PREFIX));
+
+var srcInfo = getSourceInfoMethod.invoke(null, scriptCls);
+var srcInfoFields = srcInfo.class.declaredFields;
+Arrays.sort(srcInfoFields, function(f1, f2) f1.name.compareTo(f2.name));
+
+print("Source info");
+for each (var f in srcInfoFields) {
+ f.accessible = true;
+ var fieldValue = f.get(srcInfo);
+ if (fieldValue instanceof CharArray) {
+ fieldValue = new java.lang.String(fieldValue);
+ }
+
+ print(f.name, "=", fieldValue);
+}