1 files changed, 101 insertions, 0 deletions
diff --git a/jimfs/src/test/java/com/google/common/jimfs/RegexGlobMatcherTest.java b/jimfs/src/test/java/com/google/common/jimfs/RegexGlobMatcherTest.java
new file mode 100644
index 0000000..5836e78
--- /dev/null
+++ b/jimfs/src/test/java/com/google/common/jimfs/RegexGlobMatcherTest.java
@@ -0,0 +1,101 @@
+/*
+ * 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.assertEquals;
+
+import com.google.common.collect.ImmutableSet;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.PathMatcher;
+import java.util.regex.Pattern;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Tests for {@link PathMatcher} instances created by {@link GlobToRegex}.
+ *
+ * @author Colin Decker
+ */
+@RunWith(JUnit4.class)
+public class RegexGlobMatcherTest extends AbstractGlobMatcherTest {
+
+  @Override
+  protected PathMatcher matcher(String pattern) {
+    return PathMatchers.getPathMatcher(
+        "glob:" + pattern, "/", ImmutableSet.<PathNormalization>of());
+  }
+
+  @Override
+  protected PathMatcher realMatcher(String pattern) {
+    FileSystem defaultFileSystem = FileSystems.getDefault();
+    if ("/".equals(defaultFileSystem.getSeparator())) {
+      return defaultFileSystem.getPathMatcher("glob:" + pattern);
+    }
+    return null;
+  }
+
+  @Test
+  public void testRegexTranslation() {
+    assertGlobRegexIs("foo", "foo");
+    assertGlobRegexIs("/", "/");
+    assertGlobRegexIs("?", "[^/]");
+    assertGlobRegexIs("*", "[^/]*");
+    assertGlobRegexIs("**", ".*");
+    assertGlobRegexIs("/foo", "/foo");
+    assertGlobRegexIs("?oo", "[^/]oo");
+    assertGlobRegexIs("*oo", "[^/]*oo");
+    assertGlobRegexIs("**/*.java", ".*/[^/]*\\.java");
+    assertGlobRegexIs("[a-z]", "[[^/]&&[a-z]]");
+    assertGlobRegexIs("[!a-z]", "[[^/]&&[^a-z]]");
+    assertGlobRegexIs("[-a-z]", "[[^/]&&[-a-z]]");
+    assertGlobRegexIs("[!-a-z]", "[[^/]&&[^-a-z]]");
+    assertGlobRegexIs("{a,b,c}", "(a|b|c)");
+    assertGlobRegexIs("{?oo,[A-Z]*,foo/**}", "([^/]oo|[[^/]&&[A-Z]][^/]*|foo/.*)");
+  }
+
+  @Test
+  public void testRegexEscaping() {
+    assertGlobRegexIs("(", "\\(");
+    assertGlobRegexIs(".", "\\.");
+    assertGlobRegexIs("^", "\\^");
+    assertGlobRegexIs("$", "\\$");
+    assertGlobRegexIs("+", "\\+");
+    assertGlobRegexIs("\\\\", "\\\\");
+    assertGlobRegexIs("]", "\\]");
+    assertGlobRegexIs(")", "\\)");
+    assertGlobRegexIs("}", "\\}");
+  }
+
+  @Test
+  public void testRegexTranslationWithMultipleSeparators() {
+    assertGlobRegexIs("?", "[^\\\\/]", "\\/");
+    assertGlobRegexIs("*", "[^\\\\/]*", "\\/");
+    assertGlobRegexIs("/", "[\\\\/]", "\\/");
+    assertGlobRegexIs("\\\\", "[\\\\/]", "\\/");
+  }
+
+  private static void assertGlobRegexIs(String glob, String regex) {
+    assertGlobRegexIs(glob, regex, "/");
+  }
+
+  private static void assertGlobRegexIs(String glob, String regex, String separators) {
+    assertEquals(regex, GlobToRegex.toRegex(glob, separators));
+    Pattern.compile(regex); // ensure the regex syntax is valid
+  }
+}