langtools/test/tools/javac/api/file/SJFM_IsSameFile.java
changeset 28332 cd3ea1087d2b
child 30730 d3ce7619db2c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/api/file/SJFM_IsSameFile.java	Tue Jan 06 14:51:10 2015 -0800
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014, 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 8059977
+ * @summary StandardJavaFileManager should support java.nio.file.Path.
+ *          Test isSameFile method.
+ * @build SJFM_TestBase
+ * @run main SJFM_IsSameFile
+ */
+
+import java.nio.file.Path;
+import java.util.List;
+import java.util.concurrent.Callable;
+import javax.tools.JavaFileObject;
+import javax.tools.StandardJavaFileManager;
+
+/**
+ * For those paths which are supported by a file manager, such that
+ * a file object can encapsulate the path, verify that the underlying
+ * paths can be compared.
+ */
+public class SJFM_IsSameFile extends SJFM_TestBase {
+    public static void main(String... args) throws Exception {
+        new SJFM_IsSameFile().run();
+    }
+
+    @Test
+    void test_isSameFile(StandardJavaFileManager fm) throws Exception {
+        test_isSameFile(fm, () -> getTestFilePaths());
+        test_isSameFile(fm, () -> getTestZipPaths());
+    }
+
+    /**
+     * Tests the isSameFile method for a specific file manager
+     * and a series of paths.
+     *
+     * Note: instances of MyStandardJavaFileManager only support
+     * encapsulating paths for files in the default file system.
+     *
+     * @param fm  the file manager to be tested
+     * @param paths  a generator for the paths to be tested
+     * @throws IOException
+     */
+    void test_isSameFile(StandardJavaFileManager fm, Callable<List<Path>> paths) throws Exception {
+        if (!isGetFileObjectsSupported(fm, paths.call()))
+            return;
+
+        // use distinct paths and file objects in the following two sets
+        Iterable<? extends JavaFileObject> setA = fm.getJavaFileObjectsFromPaths(paths.call());
+        Iterable<? extends JavaFileObject> setB = fm.getJavaFileObjectsFromPaths(paths.call());
+        for (JavaFileObject a : setA) {
+            for (JavaFileObject b : setB) {
+                System.err.println("compare: a: " + a);
+                System.err.println("         b: " + b);
+                // Use the fileObject getName method to determine the expected result.
+                // For the files being tested, getName is the absolute path.
+                boolean expect = a.getName().equals(b.getName());
+                boolean actual = fm.isSameFile(a, b);
+                if (actual != expect) {
+                    error("mismatch: actual:" + (actual ? "same" : "not same")
+                            + ", expect:" + (expect ? "same" : "not same"));
+                }
+            }
+        }
+    }
+}