1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// 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.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.objectweb.asm.Label;
/** 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"));
@Ignore // TODO(b/112134205): re-enable after ASM update
@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 testUninitializedInferType() {
Label label = new Label();
InferredType type = InferredType.createUninitializedType(label);
assertThat(type.descriptor()).isEqualTo(InferredType.UNINITIALIZED_PREFIX);
assertThat(type.uninitializationLabel()).isEqualTo(label);
}
@Test
public void testNonUninitializedInferType() {
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.createNonUninitializedType(descriptor);
assertThat(type.uninitializationLabel()).isNull();
assertThat(type.descriptor()).isEqualTo(descriptor);
assertThat(type).isSameAs(expected);
});
}
}
|
