| // 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.build.android.desugar; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.io.Files; |
| import com.google.devtools.build.android.desugar.BytecodeTypeInference.InferredType; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Test for {@link BytecodeTypeInference} */ |
| @RunWith(JUnit4.class) |
| public class BytecodeTypeInferenceTest { |
| |
| private static final Path JAR_PATH = Paths.get(System.getProperty("jar_path")); |
| private static final Path GOLDEN_PATH = Paths.get(System.getProperty("golden_file")); |
| |
| @Test |
| public void testTypeInference() throws IOException { |
| StringWriter stringWriter = new StringWriter(); |
| try (PrintWriter printWriter = new PrintWriter(stringWriter)) { |
| ByteCodeTypePrinter.printClassesWithTypes(JAR_PATH, printWriter); |
| printWriter.close(); |
| } |
| String inferenceResult = stringWriter.toString().trim(); |
| String golden = Files.asCharSource(GOLDEN_PATH.toFile(), StandardCharsets.UTF_8).read().trim(); |
| assertThat(inferenceResult).isEqualTo(golden); |
| } |
| |
| @Test |
| public void testInferType() { |
| ImmutableMap<String, InferredType> map = |
| ImmutableMap.<String, InferredType>builder() |
| .put("Z", InferredType.BOOLEAN) |
| .put("B", InferredType.BYTE) |
| .put("I", InferredType.INT) |
| .put("F", InferredType.FLOAT) |
| .put("D", InferredType.DOUBLE) |
| .put("J", InferredType.LONG) |
| .put("TOP", InferredType.TOP) |
| .put("NULL", InferredType.NULL) |
| .put("UNINITIALIZED_THIS", InferredType.UNINITIALIZED_THIS) |
| .build(); |
| map.forEach( |
| (descriptor, expected) -> { |
| InferredType type = InferredType.create(descriptor); |
| assertThat(type.descriptor()).isEqualTo(descriptor); |
| assertThat(type).isSameInstanceAs(expected); |
| }); |
| } |
| } |