test/hotspot/jtreg/runtime/cds/appcds/ClassLoaderTest.java
changeset 57567 b000362a89a0
parent 51990 6003e034cdd8
child 57705 7cf02b2c1455
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/ClassLoaderTest.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2014, 2019, 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 Initiating and defining classloader test.
+ * @requires vm.cds
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ *          jdk.jartool/sun.tools.jar
+ * @compile test-classes/Hello.java
+ * @compile test-classes/HelloWB.java
+ * @compile test-classes/ForNameTest.java
+ * @compile test-classes/BootClassPathAppendHelper.java
+ * @build sun.hotspot.WhiteBox
+ * @run driver ClassFileInstaller sun.hotspot.WhiteBox
+ * @run driver ClassLoaderTest
+ */
+
+import java.io.File;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class ClassLoaderTest {
+    public static void main(String[] args) throws Exception {
+        JarBuilder.build(true, "ClassLoaderTest-WhiteBox", "sun/hotspot/WhiteBox");
+        JarBuilder.getOrCreateHelloJar();
+        JarBuilder.build("ClassLoaderTest-HelloWB", "HelloWB");
+        JarBuilder.build("ClassLoaderTest-ForName", "ForNameTest");
+        ClassLoaderTest test = new ClassLoaderTest();
+        test.testBootLoader();
+        test.testDefiningLoader();
+    }
+
+    public void testBootLoader() throws Exception {
+        String appJar = TestCommon.getTestJar("ClassLoaderTest-HelloWB.jar");
+        String appClasses[] = {"HelloWB"};
+        String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");
+        String bootClassPath = "-Xbootclasspath/a:" + appJar +
+            File.pathSeparator + whiteBoxJar;
+
+        TestCommon.dump(appJar, appClasses, bootClassPath);
+
+        TestCommon.run(
+            "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+            "-cp", appJar, bootClassPath, "HelloWB")
+          .assertNormalExit(output -> output.shouldContain("HelloWB.class.getClassLoader() = null"));
+    }
+
+    public void testDefiningLoader() throws Exception {
+        // The boot loader should be used to load the class when it's
+        // on the bootclasspath, regardless who is the initiating classloader.
+        // In this test case, the AppClassLoader is the initiating classloader.
+        String helloJar = TestCommon.getTestJar("hello.jar");
+        String appJar = helloJar + System.getProperty("path.separator") +
+                        TestCommon.getTestJar("ClassLoaderTest-ForName.jar");
+        String whiteBoxJar = TestCommon.getTestJar("ClassLoaderTest-WhiteBox.jar");
+        String bootClassPath = "-Xbootclasspath/a:" + helloJar +
+            File.pathSeparator + whiteBoxJar;
+
+        // Archive the "Hello" class from the appended bootclasspath
+        TestCommon.dump(helloJar, TestCommon.list("Hello"), bootClassPath);
+
+        TestCommon.run("-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+            "-cp", appJar, bootClassPath, "-Xlog:class+path=trace", "ForNameTest")
+          .assertNormalExit();
+    }
+}