1 files changed, 259 insertions, 0 deletions
diff --git a/jimfs/src/test/java/com/google/common/jimfs/AbstractPathMatcherTest.java b/jimfs/src/test/java/com/google/common/jimfs/AbstractPathMatcherTest.java
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+++ b/jimfs/src/test/java/com/google/common/jimfs/AbstractPathMatcherTest.java
@@ -0,0 +1,259 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.common.jimfs;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.FileSystem;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.nio.file.Paths;
+import java.nio.file.WatchEvent;
+import java.nio.file.WatchKey;
+import java.nio.file.WatchService;
+import java.util.Iterator;
+import java.util.regex.PatternSyntaxException;
+import org.checkerframework.checker.nullness.compatqual.NullableDecl;
+
+/**
+ * Abstract base class for tests of {@link PathMatcher} implementations.
+ *
+ * @author Colin Decker
+ */
+public abstract class AbstractPathMatcherTest {
+
+  /**
+   * Creates a new {@code PathMatcher} using the given pattern in the syntax this test is testing.
+   */
+  protected abstract PathMatcher matcher(String pattern);
+
+  /** Override to return a real matcher for the given pattern. */
+  @NullableDecl
+  protected PathMatcher realMatcher(String pattern) {
+    return null;
+  }
+
+  protected void assertSyntaxError(String pattern) {
+    try {
+      matcher(pattern);
+      fail();
+    } catch (PatternSyntaxException expected) {
+    }
+
+    try {
+      PathMatcher real = realMatcher(pattern);
+      if (real != null) {
+        fail();
+      }
+    } catch (PatternSyntaxException expected) {
+    }
+  }
+
+  protected final PatternAsserter assertThat(String pattern) {
+    return new PatternAsserter(pattern);
+  }
+
+  protected final class PatternAsserter {
+
+    private final PathMatcher matcher;
+
+    @NullableDecl private final PathMatcher realMatcher;
+
+    PatternAsserter(String pattern) {
+      this.matcher = matcher(pattern);
+      this.realMatcher = realMatcher(pattern);
+    }
+
+    PatternAsserter matches(String... paths) {
+      for (String path : paths) {
+        assertTrue(
+            "matcher '" + matcher + "' did not match '" + path + "'", matcher.matches(fake(path)));
+        if (realMatcher != null) {
+          Path realPath = Paths.get(path);
+          assertTrue(
+              "real matcher '" + realMatcher + "' did not match '" + realPath + "'",
+              realMatcher.matches(realPath));
+        }
+      }
+      return this;
+    }
+
+    PatternAsserter doesNotMatch(String... paths) {
+      for (String path : paths) {
+        assertFalse(
+            "glob '" + matcher + "' should not have matched '" + path + "'",
+            matcher.matches(fake(path)));
+        if (realMatcher != null) {
+          Path realPath = Paths.get(path);
+          assertFalse(
+              "real matcher '" + realMatcher + "' matched '" + realPath + "'",
+              realMatcher.matches(realPath));
+        }
+      }
+      return this;
+    }
+  }
+
+  /** Path that only provides toString(). */
+  private static Path fake(final String path) {
+    return new Path() {
+      @Override
+      public FileSystem getFileSystem() {
+        return null;
+      }
+
+      @Override
+      public boolean isAbsolute() {
+        return false;
+      }
+
+      @Override
+      public Path getRoot() {
+        return null;
+      }
+
+      @Override
+      public Path getFileName() {
+        return null;
+      }
+
+      @Override
+      public Path getParent() {
+        return null;
+      }
+
+      @Override
+      public int getNameCount() {
+        return 0;
+      }
+
+      @Override
+      public Path getName(int index) {
+        return null;
+      }
+
+      @Override
+      public Path subpath(int beginIndex, int endIndex) {
+        return null;
+      }
+
+      @Override
+      public boolean startsWith(Path other) {
+        return false;
+      }
+
+      @Override
+      public boolean startsWith(String other) {
+        return false;
+      }
+
+      @Override
+      public boolean endsWith(Path other) {
+        return false;
+      }
+
+      @Override
+      public boolean endsWith(String other) {
+        return false;
+      }
+
+      @Override
+      public Path normalize() {
+        return null;
+      }
+
+      @Override
+      public Path resolve(Path other) {
+        return null;
+      }
+
+      @Override
+      public Path resolve(String other) {
+        return null;
+      }
+
+      @Override
+      public Path resolveSibling(Path other) {
+        return null;
+      }
+
+      @Override
+      public Path resolveSibling(String other) {
+        return null;
+      }
+
+      @Override
+      public Path relativize(Path other) {
+        return null;
+      }
+
+      @Override
+      public URI toUri() {
+        return null;
+      }
+
+      @Override
+      public Path toAbsolutePath() {
+        return null;
+      }
+
+      @Override
+      public Path toRealPath(LinkOption... options) throws IOException {
+        return null;
+      }
+
+      @Override
+      public File toFile() {
+        return null;
+      }
+
+      @Override
+      public WatchKey register(
+          WatchService watcher, WatchEvent.Kind<?>[] events, WatchEvent.Modifier... modifiers)
+          throws IOException {
+        return null;
+      }
+
+      @Override
+      public WatchKey register(WatchService watcher, WatchEvent.Kind<?>... events)
+          throws IOException {
+        return null;
+      }
+
+      @Override
+      public Iterator<Path> iterator() {
+        return null;
+      }
+
+      @Override
+      public int compareTo(Path other) {
+        return 0;
+      }
+
+      @Override
+      public String toString() {
+        return path;
+      }
+    };
+  }
+}