utils_test.cc revision ffc788cb7b5b9f53734d7bb8af2d5e45d885546b
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "utils.h"
18
19#include "common_runtime_test.h"
20#include "mirror/array.h"
21#include "mirror/array-inl.h"
22#include "mirror/object-inl.h"
23#include "mirror/object_array-inl.h"
24#include "mirror/string.h"
25#include "scoped_thread_state_change.h"
26#include "handle_scope-inl.h"
27
28#include <valgrind.h>
29
30namespace art {
31
32std::string PrettyArguments(const char* signature);
33std::string PrettyReturnType(const char* signature);
34
35class UtilsTest : public CommonRuntimeTest {};
36
37TEST_F(UtilsTest, PrettyDescriptor_ArrayReferences) {
38  EXPECT_EQ("java.lang.Class[]", PrettyDescriptor("[Ljava/lang/Class;"));
39  EXPECT_EQ("java.lang.Class[][]", PrettyDescriptor("[[Ljava/lang/Class;"));
40}
41
42TEST_F(UtilsTest, PrettyDescriptor_ScalarReferences) {
43  EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava.lang.String;"));
44  EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava/lang/String;"));
45}
46
47TEST_F(UtilsTest, PrettyDescriptor_Primitive) {
48  EXPECT_EQ("boolean", PrettyDescriptor(Primitive::kPrimBoolean));
49  EXPECT_EQ("byte", PrettyDescriptor(Primitive::kPrimByte));
50  EXPECT_EQ("char", PrettyDescriptor(Primitive::kPrimChar));
51  EXPECT_EQ("short", PrettyDescriptor(Primitive::kPrimShort));
52  EXPECT_EQ("int", PrettyDescriptor(Primitive::kPrimInt));
53  EXPECT_EQ("float", PrettyDescriptor(Primitive::kPrimFloat));
54  EXPECT_EQ("long", PrettyDescriptor(Primitive::kPrimLong));
55  EXPECT_EQ("double", PrettyDescriptor(Primitive::kPrimDouble));
56  EXPECT_EQ("void", PrettyDescriptor(Primitive::kPrimVoid));
57}
58
59TEST_F(UtilsTest, PrettyDescriptor_PrimitiveArrays) {
60  EXPECT_EQ("boolean[]", PrettyDescriptor("[Z"));
61  EXPECT_EQ("boolean[][]", PrettyDescriptor("[[Z"));
62  EXPECT_EQ("byte[]", PrettyDescriptor("[B"));
63  EXPECT_EQ("byte[][]", PrettyDescriptor("[[B"));
64  EXPECT_EQ("char[]", PrettyDescriptor("[C"));
65  EXPECT_EQ("char[][]", PrettyDescriptor("[[C"));
66  EXPECT_EQ("double[]", PrettyDescriptor("[D"));
67  EXPECT_EQ("double[][]", PrettyDescriptor("[[D"));
68  EXPECT_EQ("float[]", PrettyDescriptor("[F"));
69  EXPECT_EQ("float[][]", PrettyDescriptor("[[F"));
70  EXPECT_EQ("int[]", PrettyDescriptor("[I"));
71  EXPECT_EQ("int[][]", PrettyDescriptor("[[I"));
72  EXPECT_EQ("long[]", PrettyDescriptor("[J"));
73  EXPECT_EQ("long[][]", PrettyDescriptor("[[J"));
74  EXPECT_EQ("short[]", PrettyDescriptor("[S"));
75  EXPECT_EQ("short[][]", PrettyDescriptor("[[S"));
76}
77
78TEST_F(UtilsTest, PrettyDescriptor_PrimitiveScalars) {
79  EXPECT_EQ("boolean", PrettyDescriptor("Z"));
80  EXPECT_EQ("byte", PrettyDescriptor("B"));
81  EXPECT_EQ("char", PrettyDescriptor("C"));
82  EXPECT_EQ("double", PrettyDescriptor("D"));
83  EXPECT_EQ("float", PrettyDescriptor("F"));
84  EXPECT_EQ("int", PrettyDescriptor("I"));
85  EXPECT_EQ("long", PrettyDescriptor("J"));
86  EXPECT_EQ("short", PrettyDescriptor("S"));
87}
88
89TEST_F(UtilsTest, PrettyArguments) {
90  EXPECT_EQ("()", PrettyArguments("()V"));
91  EXPECT_EQ("(int)", PrettyArguments("(I)V"));
92  EXPECT_EQ("(int, int)", PrettyArguments("(II)V"));
93  EXPECT_EQ("(int, int, int[][])", PrettyArguments("(II[[I)V"));
94  EXPECT_EQ("(int, int, int[][], java.lang.Poop)", PrettyArguments("(II[[ILjava/lang/Poop;)V"));
95  EXPECT_EQ("(int, int, int[][], java.lang.Poop, java.lang.Poop[][])", PrettyArguments("(II[[ILjava/lang/Poop;[[Ljava/lang/Poop;)V"));
96}
97
98TEST_F(UtilsTest, PrettyReturnType) {
99  EXPECT_EQ("void", PrettyReturnType("()V"));
100  EXPECT_EQ("int", PrettyReturnType("()I"));
101  EXPECT_EQ("int[][]", PrettyReturnType("()[[I"));
102  EXPECT_EQ("java.lang.Poop", PrettyReturnType("()Ljava/lang/Poop;"));
103  EXPECT_EQ("java.lang.Poop[][]", PrettyReturnType("()[[Ljava/lang/Poop;"));
104}
105
106TEST_F(UtilsTest, PrettyTypeOf) {
107  ScopedObjectAccess soa(Thread::Current());
108  EXPECT_EQ("null", PrettyTypeOf(NULL));
109
110  StackHandleScope<2> hs(soa.Self());
111  Handle<mirror::String> s(hs.NewHandle(mirror::String::AllocFromModifiedUtf8(soa.Self(), "")));
112  EXPECT_EQ("java.lang.String", PrettyTypeOf(s.Get()));
113
114  Handle<mirror::ShortArray> a(hs.NewHandle(mirror::ShortArray::Alloc(soa.Self(), 2)));
115  EXPECT_EQ("short[]", PrettyTypeOf(a.Get()));
116
117  mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
118  ASSERT_TRUE(c != NULL);
119  mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
120  EXPECT_EQ("java.lang.String[]", PrettyTypeOf(o));
121  EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyTypeOf(o->GetClass()));
122}
123
124TEST_F(UtilsTest, PrettyClass) {
125  ScopedObjectAccess soa(Thread::Current());
126  EXPECT_EQ("null", PrettyClass(NULL));
127  mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
128  ASSERT_TRUE(c != NULL);
129  mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
130  EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyClass(o->GetClass()));
131}
132
133TEST_F(UtilsTest, PrettyClassAndClassLoader) {
134  ScopedObjectAccess soa(Thread::Current());
135  EXPECT_EQ("null", PrettyClassAndClassLoader(NULL));
136  mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
137  ASSERT_TRUE(c != NULL);
138  mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
139  EXPECT_EQ("java.lang.Class<java.lang.String[],null>", PrettyClassAndClassLoader(o->GetClass()));
140}
141
142TEST_F(UtilsTest, PrettyField) {
143  ScopedObjectAccess soa(Thread::Current());
144  EXPECT_EQ("null", PrettyField(NULL));
145
146  mirror::Class* java_lang_String = class_linker_->FindSystemClass(soa.Self(),
147                                                                   "Ljava/lang/String;");
148
149  mirror::ArtField* f;
150  f = java_lang_String->FindDeclaredInstanceField("count", "I");
151  EXPECT_EQ("int java.lang.String.count", PrettyField(f));
152  EXPECT_EQ("java.lang.String.count", PrettyField(f, false));
153  f = java_lang_String->FindDeclaredInstanceField("value", "[C");
154  EXPECT_EQ("char[] java.lang.String.value", PrettyField(f));
155  EXPECT_EQ("java.lang.String.value", PrettyField(f, false));
156}
157
158TEST_F(UtilsTest, PrettySize) {
159  EXPECT_EQ("1GB", PrettySize(1 * GB));
160  EXPECT_EQ("2GB", PrettySize(2 * GB));
161  if (sizeof(size_t) > sizeof(uint32_t)) {
162    EXPECT_EQ("100GB", PrettySize(100 * GB));
163  }
164  EXPECT_EQ("1024KB", PrettySize(1 * MB));
165  EXPECT_EQ("10MB", PrettySize(10 * MB));
166  EXPECT_EQ("100MB", PrettySize(100 * MB));
167  EXPECT_EQ("1024B", PrettySize(1 * KB));
168  EXPECT_EQ("10KB", PrettySize(10 * KB));
169  EXPECT_EQ("100KB", PrettySize(100 * KB));
170  EXPECT_EQ("0B", PrettySize(0));
171  EXPECT_EQ("1B", PrettySize(1));
172  EXPECT_EQ("10B", PrettySize(10));
173  EXPECT_EQ("100B", PrettySize(100));
174  EXPECT_EQ("512B", PrettySize(512));
175}
176
177TEST_F(UtilsTest, PrettyDuration) {
178  const uint64_t one_sec = 1000000000;
179  const uint64_t one_ms  = 1000000;
180  const uint64_t one_us  = 1000;
181
182  EXPECT_EQ("1s", PrettyDuration(1 * one_sec));
183  EXPECT_EQ("10s", PrettyDuration(10 * one_sec));
184  EXPECT_EQ("100s", PrettyDuration(100 * one_sec));
185  EXPECT_EQ("1.001s", PrettyDuration(1 * one_sec + one_ms));
186  EXPECT_EQ("1.000001s", PrettyDuration(1 * one_sec + one_us, 6));
187  EXPECT_EQ("1.000000001s", PrettyDuration(1 * one_sec + 1, 9));
188  EXPECT_EQ("1.000s", PrettyDuration(1 * one_sec + one_us, 3));
189
190  EXPECT_EQ("1ms", PrettyDuration(1 * one_ms));
191  EXPECT_EQ("10ms", PrettyDuration(10 * one_ms));
192  EXPECT_EQ("100ms", PrettyDuration(100 * one_ms));
193  EXPECT_EQ("1.001ms", PrettyDuration(1 * one_ms + one_us));
194  EXPECT_EQ("1.000001ms", PrettyDuration(1 * one_ms + 1, 6));
195
196  EXPECT_EQ("1us", PrettyDuration(1 * one_us));
197  EXPECT_EQ("10us", PrettyDuration(10 * one_us));
198  EXPECT_EQ("100us", PrettyDuration(100 * one_us));
199  EXPECT_EQ("1.001us", PrettyDuration(1 * one_us + 1));
200
201  EXPECT_EQ("1ns", PrettyDuration(1));
202  EXPECT_EQ("10ns", PrettyDuration(10));
203  EXPECT_EQ("100ns", PrettyDuration(100));
204}
205
206TEST_F(UtilsTest, MangleForJni) {
207  ScopedObjectAccess soa(Thread::Current());
208  EXPECT_EQ("hello_00024world", MangleForJni("hello$world"));
209  EXPECT_EQ("hello_000a9world", MangleForJni("hello\xc2\xa9world"));
210  EXPECT_EQ("hello_1world", MangleForJni("hello_world"));
211  EXPECT_EQ("Ljava_lang_String_2", MangleForJni("Ljava/lang/String;"));
212  EXPECT_EQ("_3C", MangleForJni("[C"));
213}
214
215TEST_F(UtilsTest, JniShortName_JniLongName) {
216  ScopedObjectAccess soa(Thread::Current());
217  mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/String;");
218  ASSERT_TRUE(c != NULL);
219  mirror::ArtMethod* m;
220
221  m = c->FindVirtualMethod("charAt", "(I)C");
222  ASSERT_TRUE(m != NULL);
223  EXPECT_EQ("Java_java_lang_String_charAt", JniShortName(m));
224  EXPECT_EQ("Java_java_lang_String_charAt__I", JniLongName(m));
225
226  m = c->FindVirtualMethod("indexOf", "(Ljava/lang/String;I)I");
227  ASSERT_TRUE(m != NULL);
228  EXPECT_EQ("Java_java_lang_String_indexOf", JniShortName(m));
229  EXPECT_EQ("Java_java_lang_String_indexOf__Ljava_lang_String_2I", JniLongName(m));
230
231  m = c->FindDirectMethod("copyValueOf", "([CII)Ljava/lang/String;");
232  ASSERT_TRUE(m != NULL);
233  EXPECT_EQ("Java_java_lang_String_copyValueOf", JniShortName(m));
234  EXPECT_EQ("Java_java_lang_String_copyValueOf___3CII", JniLongName(m));
235}
236
237TEST_F(UtilsTest, Split) {
238  std::vector<std::string> actual;
239  std::vector<std::string> expected;
240
241  expected.clear();
242
243  actual.clear();
244  Split("", ':', actual);
245  EXPECT_EQ(expected, actual);
246
247  actual.clear();
248  Split(":", ':', actual);
249  EXPECT_EQ(expected, actual);
250
251  expected.clear();
252  expected.push_back("foo");
253
254  actual.clear();
255  Split(":foo", ':', actual);
256  EXPECT_EQ(expected, actual);
257
258  actual.clear();
259  Split("foo:", ':', actual);
260  EXPECT_EQ(expected, actual);
261
262  actual.clear();
263  Split(":foo:", ':', actual);
264  EXPECT_EQ(expected, actual);
265
266  expected.push_back("bar");
267
268  actual.clear();
269  Split("foo:bar", ':', actual);
270  EXPECT_EQ(expected, actual);
271
272  actual.clear();
273  Split(":foo:bar", ':', actual);
274  EXPECT_EQ(expected, actual);
275
276  actual.clear();
277  Split("foo:bar:", ':', actual);
278  EXPECT_EQ(expected, actual);
279
280  actual.clear();
281  Split(":foo:bar:", ':', actual);
282  EXPECT_EQ(expected, actual);
283
284  expected.push_back("baz");
285
286  actual.clear();
287  Split("foo:bar:baz", ':', actual);
288  EXPECT_EQ(expected, actual);
289
290  actual.clear();
291  Split(":foo:bar:baz", ':', actual);
292  EXPECT_EQ(expected, actual);
293
294  actual.clear();
295  Split("foo:bar:baz:", ':', actual);
296  EXPECT_EQ(expected, actual);
297
298  actual.clear();
299  Split(":foo:bar:baz:", ':', actual);
300  EXPECT_EQ(expected, actual);
301}
302
303TEST_F(UtilsTest, Join) {
304  std::vector<std::string> strings;
305
306  strings.clear();
307  EXPECT_EQ("", Join(strings, ':'));
308
309  strings.clear();
310  strings.push_back("foo");
311  EXPECT_EQ("foo", Join(strings, ':'));
312
313  strings.clear();
314  strings.push_back("");
315  strings.push_back("foo");
316  EXPECT_EQ(":foo", Join(strings, ':'));
317
318  strings.clear();
319  strings.push_back("foo");
320  strings.push_back("");
321  EXPECT_EQ("foo:", Join(strings, ':'));
322
323  strings.clear();
324  strings.push_back("");
325  strings.push_back("foo");
326  strings.push_back("");
327  EXPECT_EQ(":foo:", Join(strings, ':'));
328
329  strings.clear();
330  strings.push_back("foo");
331  strings.push_back("bar");
332  EXPECT_EQ("foo:bar", Join(strings, ':'));
333
334  strings.clear();
335  strings.push_back("foo");
336  strings.push_back("bar");
337  strings.push_back("baz");
338  EXPECT_EQ("foo:bar:baz", Join(strings, ':'));
339}
340
341TEST_F(UtilsTest, StartsWith) {
342  EXPECT_FALSE(StartsWith("foo", "bar"));
343  EXPECT_TRUE(StartsWith("foo", "foo"));
344  EXPECT_TRUE(StartsWith("food", "foo"));
345  EXPECT_FALSE(StartsWith("fo", "foo"));
346}
347
348TEST_F(UtilsTest, EndsWith) {
349  EXPECT_FALSE(EndsWith("foo", "bar"));
350  EXPECT_TRUE(EndsWith("foo", "foo"));
351  EXPECT_TRUE(EndsWith("foofoo", "foo"));
352  EXPECT_FALSE(EndsWith("oo", "foo"));
353}
354
355TEST_F(UtilsTest, GetDalvikCacheFilenameOrDie) {
356  EXPECT_STREQ("/foo/system@app@Foo.apk@classes.dex",
357               GetDalvikCacheFilenameOrDie("/system/app/Foo.apk", "/foo").c_str());
358
359  EXPECT_STREQ("/foo/data@app@foo-1.apk@classes.dex",
360               GetDalvikCacheFilenameOrDie("/data/app/foo-1.apk", "/foo").c_str());
361  EXPECT_STREQ("/foo/system@framework@core.jar@classes.dex",
362               GetDalvikCacheFilenameOrDie("/system/framework/core.jar", "/foo").c_str());
363  EXPECT_STREQ("/foo/system@framework@boot.art",
364               GetDalvikCacheFilenameOrDie("/system/framework/boot.art", "/foo").c_str());
365  EXPECT_STREQ("/foo/system@framework@boot.oat",
366               GetDalvikCacheFilenameOrDie("/system/framework/boot.oat", "/foo").c_str());
367}
368
369TEST_F(UtilsTest, GetSystemImageFilename) {
370  EXPECT_STREQ("/system/framework/arm/boot.art",
371               GetSystemImageFilename("/system/framework/boot.art", kArm).c_str());
372}
373
374TEST_F(UtilsTest, DexFilenameToOdexFilename) {
375  EXPECT_STREQ("/foo/bar/arm/baz.odex",
376               DexFilenameToOdexFilename("/foo/bar/baz.jar", kArm).c_str());
377}
378
379TEST_F(UtilsTest, ExecSuccess) {
380  std::vector<std::string> command;
381  if (kIsTargetBuild) {
382    command.push_back("/system/bin/id");
383  } else {
384    command.push_back("/usr/bin/id");
385  }
386  std::string error_msg;
387  if (RUNNING_ON_VALGRIND == 0) {
388    // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
389    EXPECT_TRUE(Exec(command, &error_msg));
390  }
391  EXPECT_EQ(0U, error_msg.size()) << error_msg;
392}
393
394TEST_F(UtilsTest, ExecError) {
395  std::vector<std::string> command;
396  command.push_back("bogus");
397  std::string error_msg;
398  if (RUNNING_ON_VALGRIND == 0) {
399    // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
400    EXPECT_FALSE(Exec(command, &error_msg));
401    EXPECT_NE(0U, error_msg.size());
402  }
403}
404
405}  // namespace art
406