Internal change

PiperOrigin-RevId: 157878648

1 files changed, 69 insertions, 0 deletions

diff --git a/src/test/java/com/google/devtools/common/options/PercentageConverterTest.java b/src/test/java/com/google/devtools/common/options/PercentageConverterTest.java
new file mode 100644
index 0000000000..c2d83e498c
--- /dev/null
+++ b/src/test/java/com/google/devtools/common/options/PercentageConverterTest.java
@@ -0,0 +1,69 @@
+// Copyright 2017 The Bazel Authors. 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.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+
+import com.google.devtools.common.options.Converters.PercentageConverter;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * A test for {@link PercentageConverter}.
+ */
+@RunWith(JUnit4.class)
+public final class PercentageConverterTest {
+
+  private final PercentageConverter converter = new PercentageConverter();
+
+  @Test
+  public void shouldReturnIntegerValue() throws Exception {
+    Integer percentage = 50;
+    assertEquals(percentage, converter.convert(Integer.toString(percentage)));
+  }
+
+  @Test
+  public void throwsExceptionWhenInputIsLessThanZero() {
+    try {
+      converter.convert("-1");
+      fail();
+    } catch (OptionsParsingException e) {
+      assertThat(e).hasMessageThat().isEqualTo("'-1' should be >= 0");
+    }
+  }
+
+  @Test
+  public void throwsExceptionWhenInputIsGreaterThanHundred() {
+    try {
+      converter.convert("101");
+      fail();
+    } catch (OptionsParsingException e) {
+      assertThat(e).hasMessageThat().isEqualTo("'101' should be <= 100");
+    }
+  }
+
+  @Test
+  public void throwsExceptionWhenInputIsNotANumber() {
+    try {
+      converter.convert("oops - not a number.");
+      fail();
+    } catch (OptionsParsingException e) {
+      assertThat(e).hasMessageThat().isEqualTo("'oops - not a number.' is not an int");
+    }
+  }
+}