langtools/test/tools/javac/api/file/SJFM_Locations.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_Locations.java	Tue Jan 06 14:51:10 2015 -0800
@@ -0,0 +1,179 @@
+/*
+ * 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 get/setLocation methods.
+ * @build SJFM_TestBase
+ * @run main SJFM_Locations
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import javax.tools.JavaFileManager;
+import javax.tools.StandardJavaFileManager;
+
+/**
+ * For those paths which are supported by a file manager, verify
+ * that setLocation can accept such paths, and that getLocation
+ * can subsequently return the same paths.
+ *
+ * In addition, for files in the default file system, verify
+ * the combinations of setting a location using files or paths
+ * and then subsequently getting the location as files or paths.
+ */
+public class SJFM_Locations extends SJFM_TestBase {
+    public static void main(String... args) throws Exception {
+        new SJFM_Locations().run();
+    }
+
+    @Test
+    void test_locations(StandardJavaFileManager fm) throws IOException {
+        test_setFiles_getFiles(fm, getTestFileDirs());
+        test_setFiles_getPaths(fm, getTestFileDirs());
+        test_setPaths_getFiles(fm, getTestFilePathDirs());
+        test_setPaths_getPaths(fm, getTestFilePathDirs());
+//        test_setPaths_getPaths(fm, getTestZipPathDirs());
+    }
+
+    void test_setFiles_getFiles(StandardJavaFileManager fm, List<File> inFiles) throws IOException {
+        System.err.println("test_setFiles_getFiles");
+        JavaFileManager.Location l = newLocation();
+        fm.setLocation(l, inFiles);
+        Iterable<? extends File> outFiles = fm.getLocation(l);
+        compare(inFiles, outFiles);
+    }
+
+    void test_setFiles_getPaths(StandardJavaFileManager fm, List<File> inFiles) throws IOException {
+        System.err.println("test_setFiles_getPaths");
+        JavaFileManager.Location l = newLocation();
+        fm.setLocation(l, inFiles);
+        Iterable<? extends Path> outPaths = fm.getLocationAsPaths(l);
+        compare(inFiles, outPaths);
+    }
+
+    void test_setPaths_getFiles(StandardJavaFileManager fm, List<Path> inPaths) throws IOException {
+        System.err.println("test_setPaths_getFiles");
+        JavaFileManager.Location l = newLocation();
+        fm.setLocationFromPaths(l, inPaths);
+        Iterable<? extends File> outFiles = fm.getLocation(l);
+        compare(inPaths, outFiles);
+    }
+
+    void test_setPaths_getPaths(StandardJavaFileManager fm, List<Path> inPaths) throws IOException {
+        System.err.println("test_setPaths_getPaths");
+        JavaFileManager.Location l = newLocation();
+        fm.setLocationFromPaths(l, inPaths);
+        Iterable<? extends Path> outPaths = fm.getLocationAsPaths(l);
+        compare(inPaths, outPaths);
+    }
+
+    //----------------------------------------------------------------------------------------------
+
+    /**
+     * Gets a representative series of directories in the default file system,
+     * derived from the test.src directory and test.classes path.
+     *
+     * @return a list of directories, represented with {@code File}
+     * @throws IOException
+     */
+    List<File> getTestFileDirs() throws IOException {
+        return Stream.of("test.src", "test.classes")
+                .map(s -> System.getProperty(s))
+                .flatMap(s -> Stream.of(s.split(File.pathSeparator, 0)))
+                .filter(s -> !s.isEmpty())
+                .map(s -> new File(s))
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Gets a representative series of directories in the default file system,
+     * derived from the test.src directory and test.classes path.
+     *
+     * @return a list of directories, represented with {@code Path}
+     * @throws IOException
+     */
+    List<Path> getTestFilePathDirs() throws IOException {
+        return Stream.of("test.src", "test.classes")
+                .map(s -> System.getProperty(s))
+                .flatMap(s -> Stream.of(s.split(File.pathSeparator, 0)))
+                .filter(s -> !s.isEmpty())
+                .map(s -> Paths.get(s))
+                .collect(Collectors.toList());
+    }
+
+
+    /**
+     * Compares two lists of items by comparing their individual string representations.
+     *
+     * @param in   the first set of items to be compared
+     * @param out  the second set of items to be compared
+     */
+    void compare(Iterable<?> in, Iterable<?> out) {
+        List<String> ins = toString(in);
+        List<String> outs = toString(out);
+        if (!ins.equals(outs)) {
+            error("mismatch in comparison");
+            System.err.println("in:");
+            for (String s: ins) System.err.println(s);
+            System.err.println("out:");
+            for (String s: outs) System.err.println(s);
+        }
+    }
+
+    List<String> toString(Iterable<?> iter) {
+        List<String> strings = new ArrayList<>();
+        for (Object item: iter)
+            strings.add(item.toString());
+        return strings;
+    }
+
+    /**
+     * Create an instance of a location.
+     * @return a location
+     */
+    JavaFileManager.Location newLocation() {
+        final String name = "locn" + (count++);
+        return new JavaFileManager.Location() {
+            @Override
+            public String getName() {
+                return name;
+            }
+
+            @Override
+            public boolean isOutputLocation() {
+                return false;
+            }
+        };
+    }
+
+    int count = 0;
+}