1 files changed, 106 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/common/options/BoolOrEnumConverterTest.java b/src/test/java/com/google/devtools/common/options/BoolOrEnumConverterTest.java
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+++ b/src/test/java/com/google/devtools/common/options/BoolOrEnumConverterTest.java
@@ -0,0 +1,106 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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.devtools.common.options;
+
+import static com.google.devtools.common.options.OptionsParser.newOptionsParser;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * A test for {@link BoolOrEnumConverter}.
+ */
+@RunWith(JUnit4.class)
+public class BoolOrEnumConverterTest {
+
+  private enum CompilationMode {
+    DBG, OPT
+  }
+
+  private static class CompilationModeConverter
+    extends BoolOrEnumConverter<CompilationMode> {
+
+    public CompilationModeConverter() {
+      super(CompilationMode.class, "compilation mode",
+          CompilationMode.DBG, CompilationMode.OPT);
+    }
+  }
+
+  /**
+   * The test options for the CompilationMode hybrid converter.
+   */
+  public static class CompilationModeTestOptions extends OptionsBase {
+    @Option(name = "compile_mode",
+            converter = CompilationModeConverter.class,
+            defaultValue = "dbg")
+    public CompilationMode compileMode;
+  }
+
+  @Test
+  public void converterFromEnum() throws Exception {
+    CompilationModeConverter converter = new CompilationModeConverter();
+    assertEquals(converter.convert("dbg"), CompilationMode.DBG);
+    assertEquals(converter.convert("opt"), CompilationMode.OPT);
+
+    try {
+      converter.convert("none");
+      fail();
+    } catch (OptionsParsingException e) {
+      assertEquals(e.getMessage(),
+                   "Not a valid compilation mode: 'none' (should be dbg or opt)");
+    }
+    assertEquals("dbg or opt", converter.getTypeDescription());
+  }
+
+  @Test
+  public void convertFromBooleanValues() throws Exception {
+    String[] falseValues = new String[]{"false", "0"};
+    String[] trueValues = new String[]{"true", "1"};
+    CompilationModeConverter converter = new CompilationModeConverter();
+
+    for (String falseValue : falseValues) {
+      assertEquals(CompilationMode.OPT, converter.convert(falseValue));
+    }
+
+    for (String trueValue : trueValues) {
+      assertEquals(CompilationMode.DBG, converter.convert(trueValue));
+    }
+  }
+
+  @Test
+  public void prefixedWithNo() throws OptionsParsingException {
+    OptionsParser parser = newOptionsParser(CompilationModeTestOptions.class);
+    parser.parse("--nocompile_mode");
+    CompilationModeTestOptions options =
+        parser.getOptions(CompilationModeTestOptions.class);
+    assertNotNull(options.compileMode);
+    assertEquals(CompilationMode.OPT, options.compileMode);
+  }
+
+  @Test
+  public void missingValueAsBoolConversion() throws OptionsParsingException {
+    OptionsParser parser = newOptionsParser(CompilationModeTestOptions.class);
+    parser.parse("--compile_mode");
+    CompilationModeTestOptions options =
+        parser.getOptions(CompilationModeTestOptions.class);
+    assertNotNull(options.compileMode);
+    assertEquals(CompilationMode.DBG, options.compileMode);
+  }
+
+}