| /* |
| * Copyright (c) 2015, 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 |
| * @bug 8179531 |
| * @summary Check that ClassLoader.getResource works as expected in the JShell agent. |
| * @modules jdk.jshell |
| * @build KullaTesting TestingInputStream |
| * @run testng GetResourceTest |
| */ |
| |
| import jdk.jshell.Snippet; |
| import static jdk.jshell.Snippet.Status.OVERWRITTEN; |
| import static jdk.jshell.Snippet.Status.VALID; |
| import org.testng.annotations.Test; |
| |
| |
| @Test |
| public class GetResourceTest extends KullaTesting { |
| |
| public void checkGetResource() { |
| assertEval("import java.util.Arrays;"); |
| assertEval("boolean match(byte[] data, byte[] snippet) {\n" + |
| " for (int i = 0; i < data.length - snippet.length; i++) {\n" + |
| " if (Arrays.equals(Arrays.copyOfRange(data, i, i + snippet.length), snippet)) {\n" + |
| " return true;\n" + |
| " }\n" + |
| " }\n" + |
| " return false;\n" + |
| "}"); |
| assertEval("boolean test() throws Exception {\n" + |
| " Class c = new Object() {}.getClass().getEnclosingClass();\n" + |
| " byte[] data = c.getClassLoader().getResource(c.getName().replace('.', '/') + \".class\").openStream().readAllBytes();\n" + |
| " return match(data, \"check text\".getBytes(\"UTF-8\"));\n" + |
| "}"); |
| assertEval("test()", "true"); |
| } |
| |
| public void checkRedefine() { |
| assertEval("import java.util.Arrays;"); |
| assertEval("boolean match(byte[] data, byte[] snippet) {\n" + |
| " for (int i = 0; i < data.length - snippet.length; i++) {\n" + |
| " if (Arrays.equals(Arrays.copyOfRange(data, i, i + snippet.length), snippet)) {\n" + |
| " return true;\n" + |
| " }\n" + |
| " }\n" + |
| " return false;\n" + |
| "}"); |
| Snippet testMethod = |
| methodKey(assertEval("boolean test() throws Exception {\n" + |
| " return false;\n" + |
| "}")); |
| assertEval("boolean test() throws Exception {\n" + |
| " Class c = new Object() {}.getClass().getEnclosingClass();\n" + |
| " byte[] data = c.getClassLoader().getResource(c.getName().replace('.', '/') + \".class\").openStream().readAllBytes();\n" + |
| " return match(data, \"updated variant\".getBytes(\"UTF-8\"));\n" + |
| "}", |
| IGNORE_VALUE, |
| null, |
| DiagCheck.DIAG_OK, |
| DiagCheck.DIAG_OK, |
| ste(MAIN_SNIPPET, VALID, VALID, false, null), |
| ste(testMethod, VALID, OVERWRITTEN, false, MAIN_SNIPPET)); |
| assertEval("test()", "true"); |
| } |
| |
| public void checkResourceSize() { |
| assertEval("import java.net.*;"); |
| assertEval("boolean test() throws Exception {\n" + |
| " Class c = new Object() {}.getClass().getEnclosingClass();" + |
| " URL url = c.getClassLoader().getResource(c.getName().replace('.', '/') + \".class\");\n" + |
| " URLConnection connection = url.openConnection();\n" + |
| " connection.connect();\n" + |
| " return connection.getContentLength() == connection.getInputStream().readAllBytes().length;\n" + |
| "}"); |
| assertEval("test()", "true"); |
| } |
| |
| public void checkTimestampCheck() { |
| assertEval("import java.net.*;"); |
| assertEval("import java.time.*;"); |
| assertEval("import java.time.format.*;"); |
| assertEval("long[] times(Class c) throws Exception {\n" + |
| " URL url = c.getClassLoader().getResource(c.getName().replace('.', '/') + \".class\");\n" + |
| " URLConnection connection = url.openConnection();\n" + |
| " connection.connect();\n" + |
| " return new long[] {connection.getDate(),\n" + |
| " connection.getLastModified()," + |
| " Instant.from(DateTimeFormatter.RFC_1123_DATE_TIME.parse(connection.getHeaderField(\"last-modified\"))).toEpochMilli()};\n" + |
| "}"); |
| Snippet testMethod = |
| methodKey(assertEval("long[] test() throws Exception {\n" + |
| " int i = 0;\n" + |
| " return times(new Object() {}.getClass().getEnclosingClass());\n" + |
| "}")); |
| assertEval("long[] orig = test();"); |
| long s = System.currentTimeMillis(); |
| while ((System.currentTimeMillis() - s) < 1000) { //ensure time change: |
| try { |
| Thread.sleep(1000); |
| } catch (InterruptedException ex) {} |
| } |
| assertEval("long[] test() throws Exception {\n" + |
| " int i = 1;\n" + |
| " return times(new Object() {}.getClass().getEnclosingClass());\n" + |
| "}", |
| IGNORE_VALUE, |
| null, |
| DiagCheck.DIAG_OK, |
| DiagCheck.DIAG_OK, |
| ste(MAIN_SNIPPET, VALID, VALID, false, null), |
| ste(testMethod, VALID, OVERWRITTEN, false, MAIN_SNIPPET)); |
| assertEval("long[] nue = test();"); |
| assertEval("orig[0] < nue[0]", "true"); |
| assertEval("orig[1] < nue[1]", "true"); |
| assertEval("orig[0] == orig[2]", "true"); |
| assertEval("nue[0] == nue[2]", "true"); |
| } |
| |
| public void checkFieldAccess() { |
| assertEval("import java.net.*;"); |
| assertEval("Class c = new Object() {}.getClass().getEnclosingClass();"); |
| assertEval("URL url = c.getClassLoader().getResource(c.getName().replace('.', '/') + \".class\");"); |
| assertEval("URLConnection connection = url.openConnection();"); |
| assertEval("connection.connect();"); |
| assertEval("connection.getHeaderFieldKey(0)", "\"content-length\""); |
| assertEval("connection.getHeaderFieldKey(1)", "\"date\""); |
| assertEval("connection.getHeaderFieldKey(2)", "\"last-modified\""); |
| assertEval("connection.getHeaderFieldKey(3)", "null"); |
| assertEval("connection.getHeaderField(0) != null", "true"); |
| assertEval("connection.getHeaderField(1) != null", "true"); |
| assertEval("connection.getHeaderField(2) != null", "true"); |
| assertEval("connection.getHeaderField(3) == null", "true"); |
| } |
| |
| public void checkGetResources() { |
| assertEval("import java.net.*;"); |
| assertEval("Class c = new Object() {}.getClass().getEnclosingClass();"); |
| assertEval("c.getClassLoader().getResources(c.getName().replace('.', '/') + \".class\").hasMoreElements()", "true"); |
| } |
| |
| } |
| |