2 * Copyright (C) 2011 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 #include "class_linker-inl.h"
22 #include "common_runtime_test.h"
23 #include "mirror/array.h"
24 #include "mirror/array-inl.h"
25 #include "mirror/object-inl.h"
26 #include "mirror/object_array-inl.h"
27 #include "mirror/string.h"
28 #include "scoped_thread_state_change.h"
29 #include "handle_scope-inl.h"
31 #include "base/memory_tool.h"
35 std::string PrettyArguments(const char* signature);
36 std::string PrettyReturnType(const char* signature);
38 class UtilsTest : public CommonRuntimeTest {};
40 TEST_F(UtilsTest, PrettyDescriptor_ArrayReferences) {
41 EXPECT_EQ("java.lang.Class[]", PrettyDescriptor("[Ljava/lang/Class;"));
42 EXPECT_EQ("java.lang.Class[][]", PrettyDescriptor("[[Ljava/lang/Class;"));
45 TEST_F(UtilsTest, PrettyDescriptor_ScalarReferences) {
46 EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava.lang.String;"));
47 EXPECT_EQ("java.lang.String", PrettyDescriptor("Ljava/lang/String;"));
50 TEST_F(UtilsTest, PrettyDescriptor_Primitive) {
51 EXPECT_EQ("boolean", PrettyDescriptor(Primitive::kPrimBoolean));
52 EXPECT_EQ("byte", PrettyDescriptor(Primitive::kPrimByte));
53 EXPECT_EQ("char", PrettyDescriptor(Primitive::kPrimChar));
54 EXPECT_EQ("short", PrettyDescriptor(Primitive::kPrimShort));
55 EXPECT_EQ("int", PrettyDescriptor(Primitive::kPrimInt));
56 EXPECT_EQ("float", PrettyDescriptor(Primitive::kPrimFloat));
57 EXPECT_EQ("long", PrettyDescriptor(Primitive::kPrimLong));
58 EXPECT_EQ("double", PrettyDescriptor(Primitive::kPrimDouble));
59 EXPECT_EQ("void", PrettyDescriptor(Primitive::kPrimVoid));
62 TEST_F(UtilsTest, PrettyDescriptor_PrimitiveArrays) {
63 EXPECT_EQ("boolean[]", PrettyDescriptor("[Z"));
64 EXPECT_EQ("boolean[][]", PrettyDescriptor("[[Z"));
65 EXPECT_EQ("byte[]", PrettyDescriptor("[B"));
66 EXPECT_EQ("byte[][]", PrettyDescriptor("[[B"));
67 EXPECT_EQ("char[]", PrettyDescriptor("[C"));
68 EXPECT_EQ("char[][]", PrettyDescriptor("[[C"));
69 EXPECT_EQ("double[]", PrettyDescriptor("[D"));
70 EXPECT_EQ("double[][]", PrettyDescriptor("[[D"));
71 EXPECT_EQ("float[]", PrettyDescriptor("[F"));
72 EXPECT_EQ("float[][]", PrettyDescriptor("[[F"));
73 EXPECT_EQ("int[]", PrettyDescriptor("[I"));
74 EXPECT_EQ("int[][]", PrettyDescriptor("[[I"));
75 EXPECT_EQ("long[]", PrettyDescriptor("[J"));
76 EXPECT_EQ("long[][]", PrettyDescriptor("[[J"));
77 EXPECT_EQ("short[]", PrettyDescriptor("[S"));
78 EXPECT_EQ("short[][]", PrettyDescriptor("[[S"));
81 TEST_F(UtilsTest, PrettyDescriptor_PrimitiveScalars) {
82 EXPECT_EQ("boolean", PrettyDescriptor("Z"));
83 EXPECT_EQ("byte", PrettyDescriptor("B"));
84 EXPECT_EQ("char", PrettyDescriptor("C"));
85 EXPECT_EQ("double", PrettyDescriptor("D"));
86 EXPECT_EQ("float", PrettyDescriptor("F"));
87 EXPECT_EQ("int", PrettyDescriptor("I"));
88 EXPECT_EQ("long", PrettyDescriptor("J"));
89 EXPECT_EQ("short", PrettyDescriptor("S"));
92 TEST_F(UtilsTest, PrettyArguments) {
93 EXPECT_EQ("()", PrettyArguments("()V"));
94 EXPECT_EQ("(int)", PrettyArguments("(I)V"));
95 EXPECT_EQ("(int, int)", PrettyArguments("(II)V"));
96 EXPECT_EQ("(int, int, int[][])", PrettyArguments("(II[[I)V"));
97 EXPECT_EQ("(int, int, int[][], java.lang.Poop)", PrettyArguments("(II[[ILjava/lang/Poop;)V"));
98 EXPECT_EQ("(int, int, int[][], java.lang.Poop, java.lang.Poop[][])", PrettyArguments("(II[[ILjava/lang/Poop;[[Ljava/lang/Poop;)V"));
101 TEST_F(UtilsTest, PrettyReturnType) {
102 EXPECT_EQ("void", PrettyReturnType("()V"));
103 EXPECT_EQ("int", PrettyReturnType("()I"));
104 EXPECT_EQ("int[][]", PrettyReturnType("()[[I"));
105 EXPECT_EQ("java.lang.Poop", PrettyReturnType("()Ljava/lang/Poop;"));
106 EXPECT_EQ("java.lang.Poop[][]", PrettyReturnType("()[[Ljava/lang/Poop;"));
109 TEST_F(UtilsTest, PrettyTypeOf) {
110 ScopedObjectAccess soa(Thread::Current());
111 EXPECT_EQ("null", PrettyTypeOf(nullptr));
113 StackHandleScope<2> hs(soa.Self());
114 Handle<mirror::String> s(hs.NewHandle(mirror::String::AllocFromModifiedUtf8(soa.Self(), "")));
115 EXPECT_EQ("java.lang.String", PrettyTypeOf(s.Get()));
117 Handle<mirror::ShortArray> a(hs.NewHandle(mirror::ShortArray::Alloc(soa.Self(), 2)));
118 EXPECT_EQ("short[]", PrettyTypeOf(a.Get()));
120 mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
121 ASSERT_TRUE(c != nullptr);
122 mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
123 EXPECT_EQ("java.lang.String[]", PrettyTypeOf(o));
124 EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyTypeOf(o->GetClass()));
127 TEST_F(UtilsTest, PrettyClass) {
128 ScopedObjectAccess soa(Thread::Current());
129 EXPECT_EQ("null", PrettyClass(nullptr));
130 mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
131 ASSERT_TRUE(c != nullptr);
132 mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
133 EXPECT_EQ("java.lang.Class<java.lang.String[]>", PrettyClass(o->GetClass()));
136 TEST_F(UtilsTest, PrettyClassAndClassLoader) {
137 ScopedObjectAccess soa(Thread::Current());
138 EXPECT_EQ("null", PrettyClassAndClassLoader(nullptr));
139 mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "[Ljava/lang/String;");
140 ASSERT_TRUE(c != nullptr);
141 mirror::Object* o = mirror::ObjectArray<mirror::String>::Alloc(soa.Self(), c, 0);
142 EXPECT_EQ("java.lang.Class<java.lang.String[],null>", PrettyClassAndClassLoader(o->GetClass()));
145 TEST_F(UtilsTest, PrettyField) {
146 ScopedObjectAccess soa(Thread::Current());
147 EXPECT_EQ("null", PrettyField(nullptr));
149 mirror::Class* java_lang_String = class_linker_->FindSystemClass(soa.Self(),
150 "Ljava/lang/String;");
153 f = java_lang_String->FindDeclaredInstanceField("count", "I");
154 EXPECT_EQ("int java.lang.String.count", PrettyField(f));
155 EXPECT_EQ("java.lang.String.count", PrettyField(f, false));
158 TEST_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));
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));
177 TEST_F(UtilsTest, MangleForJni) {
178 ScopedObjectAccess soa(Thread::Current());
179 EXPECT_EQ("hello_00024world", MangleForJni("hello$world"));
180 EXPECT_EQ("hello_000a9world", MangleForJni("hello\xc2\xa9world"));
181 EXPECT_EQ("hello_1world", MangleForJni("hello_world"));
182 EXPECT_EQ("Ljava_lang_String_2", MangleForJni("Ljava/lang/String;"));
183 EXPECT_EQ("_3C", MangleForJni("[C"));
186 TEST_F(UtilsTest, JniShortName_JniLongName) {
187 ScopedObjectAccess soa(Thread::Current());
188 mirror::Class* c = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/String;");
189 ASSERT_TRUE(c != nullptr);
192 m = c->FindVirtualMethod("charAt", "(I)C", sizeof(void*));
193 ASSERT_TRUE(m != nullptr);
194 EXPECT_EQ("Java_java_lang_String_charAt", JniShortName(m));
195 EXPECT_EQ("Java_java_lang_String_charAt__I", JniLongName(m));
197 m = c->FindVirtualMethod("indexOf", "(Ljava/lang/String;I)I", sizeof(void*));
198 ASSERT_TRUE(m != nullptr);
199 EXPECT_EQ("Java_java_lang_String_indexOf", JniShortName(m));
200 EXPECT_EQ("Java_java_lang_String_indexOf__Ljava_lang_String_2I", JniLongName(m));
202 m = c->FindDirectMethod("copyValueOf", "([CII)Ljava/lang/String;", sizeof(void*));
203 ASSERT_TRUE(m != nullptr);
204 EXPECT_EQ("Java_java_lang_String_copyValueOf", JniShortName(m));
205 EXPECT_EQ("Java_java_lang_String_copyValueOf___3CII", JniLongName(m));
208 TEST_F(UtilsTest, Split) {
209 std::vector<std::string> actual;
210 std::vector<std::string> expected;
215 Split("", ':', &actual);
216 EXPECT_EQ(expected, actual);
219 Split(":", ':', &actual);
220 EXPECT_EQ(expected, actual);
223 expected.push_back("foo");
226 Split(":foo", ':', &actual);
227 EXPECT_EQ(expected, actual);
230 Split("foo:", ':', &actual);
231 EXPECT_EQ(expected, actual);
234 Split(":foo:", ':', &actual);
235 EXPECT_EQ(expected, actual);
237 expected.push_back("bar");
240 Split("foo:bar", ':', &actual);
241 EXPECT_EQ(expected, actual);
244 Split(":foo:bar", ':', &actual);
245 EXPECT_EQ(expected, actual);
248 Split("foo:bar:", ':', &actual);
249 EXPECT_EQ(expected, actual);
252 Split(":foo:bar:", ':', &actual);
253 EXPECT_EQ(expected, actual);
255 expected.push_back("baz");
258 Split("foo:bar:baz", ':', &actual);
259 EXPECT_EQ(expected, actual);
262 Split(":foo:bar:baz", ':', &actual);
263 EXPECT_EQ(expected, actual);
266 Split("foo:bar:baz:", ':', &actual);
267 EXPECT_EQ(expected, actual);
270 Split(":foo:bar:baz:", ':', &actual);
271 EXPECT_EQ(expected, actual);
274 TEST_F(UtilsTest, Join) {
275 std::vector<std::string> strings;
278 EXPECT_EQ("", Join(strings, ':'));
281 strings.push_back("foo");
282 EXPECT_EQ("foo", Join(strings, ':'));
285 strings.push_back("");
286 strings.push_back("foo");
287 EXPECT_EQ(":foo", Join(strings, ':'));
290 strings.push_back("foo");
291 strings.push_back("");
292 EXPECT_EQ("foo:", Join(strings, ':'));
295 strings.push_back("");
296 strings.push_back("foo");
297 strings.push_back("");
298 EXPECT_EQ(":foo:", Join(strings, ':'));
301 strings.push_back("foo");
302 strings.push_back("bar");
303 EXPECT_EQ("foo:bar", Join(strings, ':'));
306 strings.push_back("foo");
307 strings.push_back("bar");
308 strings.push_back("baz");
309 EXPECT_EQ("foo:bar:baz", Join(strings, ':'));
312 TEST_F(UtilsTest, StartsWith) {
313 EXPECT_FALSE(StartsWith("foo", "bar"));
314 EXPECT_TRUE(StartsWith("foo", "foo"));
315 EXPECT_TRUE(StartsWith("food", "foo"));
316 EXPECT_FALSE(StartsWith("fo", "foo"));
319 TEST_F(UtilsTest, EndsWith) {
320 EXPECT_FALSE(EndsWith("foo", "bar"));
321 EXPECT_TRUE(EndsWith("foo", "foo"));
322 EXPECT_TRUE(EndsWith("foofoo", "foo"));
323 EXPECT_FALSE(EndsWith("oo", "foo"));
326 TEST_F(UtilsTest, GetDalvikCacheFilenameOrDie) {
327 EXPECT_STREQ("/foo/system@app@Foo.apk@classes.dex",
328 GetDalvikCacheFilenameOrDie("/system/app/Foo.apk", "/foo").c_str());
330 EXPECT_STREQ("/foo/data@app@foo-1.apk@classes.dex",
331 GetDalvikCacheFilenameOrDie("/data/app/foo-1.apk", "/foo").c_str());
332 EXPECT_STREQ("/foo/system@framework@core.jar@classes.dex",
333 GetDalvikCacheFilenameOrDie("/system/framework/core.jar", "/foo").c_str());
334 EXPECT_STREQ("/foo/system@framework@boot.art",
335 GetDalvikCacheFilenameOrDie("/system/framework/boot.art", "/foo").c_str());
336 EXPECT_STREQ("/foo/system@framework@boot.oat",
337 GetDalvikCacheFilenameOrDie("/system/framework/boot.oat", "/foo").c_str());
340 TEST_F(UtilsTest, GetDalvikCache) {
341 EXPECT_STREQ("", GetDalvikCache("should-not-exist123", false).c_str());
343 EXPECT_STREQ((android_data_ + "/dalvik-cache/.").c_str(), GetDalvikCache(".", false).c_str());
344 EXPECT_STREQ((android_data_ + "/dalvik-cache/should-not-be-there").c_str(),
345 GetDalvikCache("should-not-be-there", true).c_str());
349 TEST_F(UtilsTest, GetSystemImageFilename) {
350 EXPECT_STREQ("/system/framework/arm/boot.art",
351 GetSystemImageFilename("/system/framework/boot.art", kArm).c_str());
354 TEST_F(UtilsTest, ExecSuccess) {
355 std::vector<std::string> command;
356 if (kIsTargetBuild) {
357 std::string android_root(GetAndroidRoot());
358 command.push_back(android_root + "/bin/id");
360 command.push_back("/usr/bin/id");
362 std::string error_msg;
363 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) {
364 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
365 EXPECT_TRUE(Exec(command, &error_msg));
367 EXPECT_EQ(0U, error_msg.size()) << error_msg;
370 TEST_F(UtilsTest, ExecError) {
371 // This will lead to error messages in the log.
372 ScopedLogSeverity sls(LogSeverity::FATAL);
374 std::vector<std::string> command;
375 command.push_back("bogus");
376 std::string error_msg;
377 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) {
378 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
379 EXPECT_FALSE(Exec(command, &error_msg));
380 EXPECT_FALSE(error_msg.empty());
384 TEST_F(UtilsTest, EnvSnapshotAdditionsAreNotVisible) {
385 static constexpr const char* kModifiedVariable = "EXEC_SHOULD_NOT_EXPORT_THIS";
386 static constexpr int kOverwrite = 1;
387 // Set an variable in the current environment.
388 EXPECT_EQ(setenv(kModifiedVariable, "NEVER", kOverwrite), 0);
389 // Test that it is not exported.
390 std::vector<std::string> command;
391 if (kIsTargetBuild) {
392 std::string android_root(GetAndroidRoot());
393 command.push_back(android_root + "/bin/printenv");
395 command.push_back("/usr/bin/printenv");
397 command.push_back(kModifiedVariable);
398 std::string error_msg;
399 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) {
400 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
401 EXPECT_FALSE(Exec(command, &error_msg));
402 EXPECT_NE(0U, error_msg.size()) << error_msg;
406 TEST_F(UtilsTest, EnvSnapshotDeletionsAreNotVisible) {
407 static constexpr const char* kDeletedVariable = "PATH";
408 static constexpr int kOverwrite = 1;
409 // Save the variable's value.
410 const char* save_value = getenv(kDeletedVariable);
411 EXPECT_NE(save_value, nullptr);
412 // Delete the variable.
413 EXPECT_EQ(unsetenv(kDeletedVariable), 0);
414 // Test that it is not exported.
415 std::vector<std::string> command;
416 if (kIsTargetBuild) {
417 std::string android_root(GetAndroidRoot());
418 command.push_back(android_root + "/bin/printenv");
420 command.push_back("/usr/bin/printenv");
422 command.push_back(kDeletedVariable);
423 std::string error_msg;
424 if (!(RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) {
425 // Running on valgrind fails due to some memory that leaks in thread alternate signal stacks.
426 EXPECT_TRUE(Exec(command, &error_msg));
427 EXPECT_EQ(0U, error_msg.size()) << error_msg;
429 // Restore the variable's value.
430 EXPECT_EQ(setenv(kDeletedVariable, save_value, kOverwrite), 0);
433 TEST_F(UtilsTest, IsValidDescriptor) {
434 std::vector<uint8_t> descriptor(
435 { 'L', 'a', '/', 'b', '$', 0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80, ';', 0x00 });
436 EXPECT_TRUE(IsValidDescriptor(reinterpret_cast<char*>(&descriptor[0])));
438 std::vector<uint8_t> unpaired_surrogate(
439 { 'L', 'a', '/', 'b', '$', 0xed, 0xa0, 0x80, ';', 0x00 });
440 EXPECT_FALSE(IsValidDescriptor(reinterpret_cast<char*>(&unpaired_surrogate[0])));
442 std::vector<uint8_t> unpaired_surrogate_at_end(
443 { 'L', 'a', '/', 'b', '$', 0xed, 0xa0, 0x80, 0x00 });
444 EXPECT_FALSE(IsValidDescriptor(reinterpret_cast<char*>(&unpaired_surrogate_at_end[0])));
446 std::vector<uint8_t> invalid_surrogate(
447 { 'L', 'a', '/', 'b', '$', 0xed, 0xb0, 0x80, ';', 0x00 });
448 EXPECT_FALSE(IsValidDescriptor(reinterpret_cast<char*>(&invalid_surrogate[0])));
450 std::vector<uint8_t> unpaired_surrogate_with_multibyte_sequence(
451 { 'L', 'a', '/', 'b', '$', 0xed, 0xb0, 0x80, 0xf0, 0x9f, 0x8f, 0xa0, ';', 0x00 });
453 IsValidDescriptor(reinterpret_cast<char*>(&unpaired_surrogate_with_multibyte_sequence[0])));