8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

test/langtools/tools/javac/file/SetLocationForModule.java

@@ -0,0 +1,328 @@
+/*
+ * Copyright (c) 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 8173914
+ * @summary JavaFileManager.setLocationForModule
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ * @library /tools/lib
+ * @build toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox SetLocationForModule
+ * @run main SetLocationForModule
+ */
+
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
+import javax.tools.JavaCompiler;
+import javax.tools.JavaFileManager.Location;
+import javax.tools.StandardJavaFileManager;
+import javax.tools.StandardLocation;
+import javax.tools.ToolProvider;
+
+import toolbox.JavacTask;
+import toolbox.TestRunner;
+import toolbox.TestRunner.Test;
+import toolbox.ToolBox;
+
+public class SetLocationForModule extends TestRunner {
+
+    public static void main(String... args) throws Exception {
+        new SetLocationForModule().runTests(m -> new Object[] { Paths.get(m.getName()) });
+    }
+
+    public SetLocationForModule() {
+        super(System.err);
+    }
+
+    private final JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
+    private final ToolBox tb = new ToolBox();
+
+    @Test
+    public void testBasic(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Location[] locns = {
+                StandardLocation.SOURCE_PATH,
+                StandardLocation.CLASS_PATH,
+                StandardLocation.PLATFORM_CLASS_PATH,
+            };
+            // set a value
+            Path out = Files.createDirectories(base.resolve("out"));
+            for (Location locn : locns) {
+                checkException("unsupported for location",
+                        IllegalArgumentException.class,
+                        "location is not an output location or a module-oriented location: " + locn,
+                        () -> fm.setLocationForModule(locn, "m", List.of(out)));
+            }
+        }
+    }
+
+    @Test
+    public void testModulePath(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Path src = base.resolve("src");
+            Path src_m = src.resolve("m");
+            tb.writeJavaFiles(src_m, "module m { }");
+
+            Location locn = StandardLocation.MODULE_PATH;
+
+            Path modules1 = Files.createDirectories(base.resolve("modules1"));
+            new JavacTask(tb)
+                    .outdir(modules1)
+                    .options("--module-source-path", src.toString())
+                    .files(tb.findJavaFiles(src))
+                    .run();
+            fm.setLocationFromPaths(locn, List.of(modules1));
+
+            Location m = fm.getLocationForModule(locn, "m");
+            checkEqual("default setting",
+                    fm.getLocationAsPaths(m), modules1.resolve("m"));
+
+            Path override1 = Files.createDirectories(base.resolve("override1"));
+            fm.setLocationForModule(locn, "m", List.of(override1));
+            checkEqual("override setting 1",
+                    fm.getLocationAsPaths(m), override1);
+
+            Path override2 = Files.createDirectories(base.resolve("override2"));
+            fm.setLocationFromPaths(m, List.of(override2));
+            checkEqual("override setting 2",
+                    fm.getLocationAsPaths(m), override2);
+
+            Path modules2 = Files.createDirectories(base.resolve("modules2"));
+            fm.setLocationFromPaths(locn, List.of(modules2));
+
+            checkEqual("updated setting",
+                    fm.getLocationAsPaths(m), modules2.resolve("m"));
+        }
+    }
+
+    @Test
+    public void testModuleSourcePath(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+
+            Location locn = StandardLocation.MODULE_SOURCE_PATH;
+
+            Path src1 = Files.createDirectories(base.resolve("src1"));
+            Path src1_m = src1.resolve("m");
+            tb.writeJavaFiles(src1_m, "module m { }");
+//            fm.setLocationFromPaths(locn, List.of(src1));
+            fm.handleOption("--module-source-path", List.of(src1.toString()).iterator());
+
+            Location m = fm.getLocationForModule(locn, "m");
+            checkEqual("default setting",
+                    fm.getLocationAsPaths(m), src1.resolve("m"));
+
+            Path override1 = Files.createDirectories(base.resolve("override1"));
+            tb.writeJavaFiles(override1, "module m { }");
+            fm.setLocationForModule(locn, "m", List.of(override1));
+            checkEqual("override setting 1",
+                    fm.getLocationAsPaths(m), override1);
+
+            Path override2 = Files.createDirectories(base.resolve("override2"));
+            tb.writeJavaFiles(override2, "module m { }");
+            fm.setLocationFromPaths(m, List.of(override2));
+            checkEqual("override setting 2",
+                    fm.getLocationAsPaths(m), override2);
+
+            Path src2 = Files.createDirectories(base.resolve("src2"));
+            Path src2_m = src2.resolve("m");
+            tb.writeJavaFiles(src2_m, "module m { }");
+//            fm.setLocationFromPaths(locn, List.of(src2));
+            fm.handleOption("--module-source-path", List.of(src2.toString()).iterator());
+
+            checkEqual("updated setting",
+                    fm.getLocationAsPaths(m), src2.resolve("m"));
+        }
+    }
+
+    @Test
+    public void testOutput(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Location locn = StandardLocation.CLASS_OUTPUT;
+
+            Path out1 = Files.createDirectories(base.resolve("out1"));
+            fm.setLocationFromPaths(locn, List.of(out1));
+
+            Location m = fm.getLocationForModule(locn, "m");
+            checkEqual("default setting",
+                    fm.getLocationAsPaths(m), out1.resolve("m"));
+
+            Path override1 = Files.createDirectories(base.resolve("override1"));
+            fm.setLocationForModule(locn, "m", List.of(override1));
+            checkEqual("override setting 1",
+                    fm.getLocationAsPaths(m), override1);
+
+            Path override2 = Files.createDirectories(base.resolve("override2"));
+            fm.setLocationFromPaths(m, List.of(override2));
+            checkEqual("override setting 2",
+                    fm.getLocationAsPaths(m), override2);
+
+            Path out2 = Files.createDirectories(base.resolve("out2"));
+            fm.setLocationFromPaths(locn, List.of(out2));
+
+            checkEqual("updated setting",
+                    fm.getLocationAsPaths(m), out2.resolve("m"));
+        }
+    }
+
+    @Test
+    public void testOutput_invalid(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Location locn = StandardLocation.CLASS_OUTPUT;
+            // set a top default
+            Path out1 = Files.createDirectories(base.resolve("out1"));
+            fm.setLocationFromPaths(locn, List.of(out1));
+            // getLocnForModule
+            Location m = fm.getLocationForModule(locn, "m");
+            checkEqual("default setting",
+                    fm.getLocationAsPaths(m), out1.resolve("m"));
+
+            checkException("empty arg list",
+                    IllegalArgumentException.class, "empty path for directory",
+                    () -> fm.setLocationFromPaths(m, Collections.emptyList()));
+
+            Path out2 = Files.createDirectories(base.resolve("out2"));
+            checkException("empty arg list",
+                    IllegalArgumentException.class, "path too long for directory",
+                    () -> fm.setLocationFromPaths(m, List.of(out2, out2)));
+
+            Path notExist = base.resolve("notExist");
+            checkException("not exist",
+                    FileNotFoundException.class, notExist + ": does not exist",
+                    () -> fm.setLocationFromPaths(m, List.of(notExist)));
+
+            Path file = Files.createFile(base.resolve("file.txt"));
+            checkException("not exist",
+                    IOException.class, file + ": not a directory",
+                    () -> fm.setLocationFromPaths(m, List.of(file)));
+        }
+    }
+
+    @Test
+    public void testOutput_nested(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Location locn = StandardLocation.CLASS_OUTPUT;
+
+            Path out1 = Files.createDirectories(base.resolve("out1"));
+            fm.setLocationForModule(locn, "m", List.of(out1));
+
+            Location m = fm.getLocationForModule(locn, "m");
+            checkEqual("initial setting",
+                    fm.getLocationAsPaths(m), out1);
+
+            Path out2 = Files.createDirectories(base.resolve("out2"));
+            checkException("create nested module",
+                    UnsupportedOperationException.class, "not supported for CLASS_OUTPUT[m]",
+                    () -> fm.setLocationForModule(m, "x", List.of(out2)));
+        }
+    }
+
+    @Test
+    public void testSystemModules(Path base) throws IOException {
+        try (StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null)) {
+            Location locn = StandardLocation.SYSTEM_MODULES;
+
+            Location javaCompiler = fm.getLocationForModule(locn, "java.compiler");
+            // cannot easily verify default setting: could be jrt: or exploded image
+
+            Path override1 = Files.createDirectories(base.resolve("override1"));
+            fm.setLocationForModule(locn, "java.compiler", List.of(override1));
+            checkEqual("override setting 1",
+                    fm.getLocationAsPaths(javaCompiler), override1);
+
+            Path override2 = Files.createDirectories(base.resolve("override2"));
+            fm.setLocationFromPaths(javaCompiler, List.of(override2));
+            checkEqual("override setting 2",
+                    fm.getLocationAsPaths(javaCompiler), override2);
+        }
+    }
+
+    @Test
+    public void testTemplate(Path base) {
+        // set a top default
+        // getLocnForModule
+        // set a value
+        // getLocnForModule
+        // reset
+        // getLocationForModule
+    }
+
+    interface RunnableWithException {
+        public void run() throws Exception;
+    }
+
+    void checkException(String message,
+            Class<? extends Throwable> expectedException, String expectedMessage,
+            RunnableWithException r) {
+        try {
+            r.run();
+            error(message + ": expected exception not thrown: " + expectedException);
+        } catch (Exception | Error t) {
+            if (expectedException.isAssignableFrom(t.getClass())) {
+                checkEqual("exception message",
+                        t.getMessage(), expectedMessage);
+
+            } else {
+                error(message + ": unexpected exception\n"
+                        + "expect: " + expectedException + "\n"
+                        + " found: " + t);
+            }
+        }
+    }
+
+    void checkEqual(String message, Iterable<? extends Path> found, Path... expect) {
+        List<Path> fList = asList(found);
+        List<Path> eList = List.of(expect);
+        if (!Objects.equals(fList, fList)) {
+            error(message + ": lists not equal\n"
+                    + "expect: " + eList + "\n"
+                    + " found: " + fList);
+        }
+    }
+
+    void checkEqual(String message, String found, String expect) {
+        if (!Objects.equals(found, expect)) {
+            error(message + ": strings not equal\n"
+                    + "expect: " + expect + "\n"
+                    + " found: " + found);
+        }
+    }
+
+    List<Path> asList(Iterable<? extends Path> a) {
+        List<Path> list = new ArrayList<>();
+        for (Path p : a) {
+            list.add(p);
+        }
+        return list;
+    }
+}
+