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Elliott Hughes2faa5f12012-01-30 14:42:07 -08001/*
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 */
Carl Shapiro894d0fa2011-06-30 14:48:49 -070016
Elliott Hughes90a33692011-08-30 13:27:07 -070017#include "object.h"
18
19#include <stdint.h>
20#include <stdio.h>
21
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080022#include "array-inl.h"
Brian Carlstromea46f952013-07-30 01:26:50 -070023#include "art_field-inl.h"
Ian Rogers1f539342012-10-03 21:09:42 -070024#include "asm_support.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080025#include "class-inl.h"
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070026#include "class_linker.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080027#include "class_linker-inl.h"
Brian Carlstrom578bbdc2011-07-21 14:07:47 -070028#include "common_test.h"
29#include "dex_file.h"
Ian Rogers7655f292013-07-29 11:07:13 -070030#include "entrypoints/entrypoint_utils.h"
Ian Rogers1d54e732013-05-02 21:10:01 -070031#include "gc/accounting/card_table-inl.h"
32#include "gc/heap.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080033#include "iftable-inl.h"
Brian Carlstromea46f952013-07-30 01:26:50 -070034#include "art_method-inl.h"
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080035#include "object-inl.h"
36#include "object_array-inl.h"
Ian Rogers1f539342012-10-03 21:09:42 -070037#include "sirt_ref.h"
38#include "UniquePtr.h"
Carl Shapiro894d0fa2011-06-30 14:48:49 -070039
40namespace art {
Ian Rogers2dd0e2c2013-01-24 12:42:14 -080041namespace mirror {
Carl Shapiro894d0fa2011-06-30 14:48:49 -070042
Brian Carlstromf734cf52011-08-17 16:28:14 -070043class ObjectTest : public CommonTest {
Brian Carlstrom0b138b22011-07-27 15:19:17 -070044 protected:
Brian Carlstrom0a02d122013-09-06 15:42:40 -070045 void AssertString(int32_t expected_utf16_length,
Brian Carlstrom0b138b22011-07-27 15:19:17 -070046 const char* utf8_in,
47 const char* utf16_expected_le,
Ian Rogers00f7d0e2012-07-19 15:28:27 -070048 int32_t expected_hash)
Ian Rogersb726dcb2012-09-05 08:57:23 -070049 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
Brian Carlstrom0a02d122013-09-06 15:42:40 -070050 UniquePtr<uint16_t[]> utf16_expected(new uint16_t[expected_utf16_length]);
51 for (int32_t i = 0; i < expected_utf16_length; i++) {
Brian Carlstrom0b138b22011-07-27 15:19:17 -070052 uint16_t ch = (((utf16_expected_le[i*2 + 0] & 0xff) << 8) |
53 ((utf16_expected_le[i*2 + 1] & 0xff) << 0));
54 utf16_expected[i] = ch;
55 }
56
Ian Rogers50b35e22012-10-04 10:09:15 -070057 Thread* self = Thread::Current();
Brian Carlstrom0a02d122013-09-06 15:42:40 -070058 SirtRef<String> string(self, String::AllocFromModifiedUtf8(self, expected_utf16_length, utf8_in));
59 ASSERT_EQ(expected_utf16_length, string->GetLength());
Carl Shapiro8860c0e2011-08-04 17:36:16 -070060 ASSERT_TRUE(string->GetCharArray() != NULL);
Jesse Wilsonfd687c52011-08-04 19:27:35 -070061 ASSERT_TRUE(string->GetCharArray()->GetData() != NULL);
Brian Carlstrom0a02d122013-09-06 15:42:40 -070062 // strlen is necessary because the 1-character string "\x00\x00" is interpreted as ""
63 ASSERT_TRUE(string->Equals(utf8_in) || (expected_utf16_length == 1 && strlen(utf8_in) == 0));
64 ASSERT_TRUE(string->Equals(StringPiece(utf8_in)) || (expected_utf16_length == 1 && strlen(utf8_in) == 0));
65 for (int32_t i = 0; i < expected_utf16_length; i++) {
Jesse Wilsonfd687c52011-08-04 19:27:35 -070066 EXPECT_EQ(utf16_expected[i], string->CharAt(i));
Brian Carlstrom0b138b22011-07-27 15:19:17 -070067 }
Ian Rogers0cfe1fb2011-08-26 03:29:44 -070068 EXPECT_EQ(expected_hash, string->GetHashCode());
Brian Carlstrom0b138b22011-07-27 15:19:17 -070069 }
70};
Brian Carlstroma331b3c2011-07-18 17:47:56 -070071
buzbeefc9e6fa2012-03-23 15:14:29 -070072// Keep the assembly code in sync
73TEST_F(ObjectTest, AsmConstants) {
74 ASSERT_EQ(STRING_VALUE_OFFSET, String::ValueOffset().Int32Value());
75 ASSERT_EQ(STRING_COUNT_OFFSET, String::CountOffset().Int32Value());
76 ASSERT_EQ(STRING_OFFSET_OFFSET, String::OffsetOffset().Int32Value());
77 ASSERT_EQ(STRING_DATA_OFFSET, Array::DataOffset(sizeof(uint16_t)).Int32Value());
Jeff Hao5d917302013-02-27 17:57:33 -080078
Brian Carlstromea46f952013-07-30 01:26:50 -070079 ASSERT_EQ(METHOD_CODE_OFFSET, ArtMethod::EntryPointFromCompiledCodeOffset().Int32Value());
buzbeefc9e6fa2012-03-23 15:14:29 -070080}
81
Brian Carlstroma331b3c2011-07-18 17:47:56 -070082TEST_F(ObjectTest, IsInSamePackage) {
Carl Shapiro894d0fa2011-06-30 14:48:49 -070083 // Matches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080084 EXPECT_TRUE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/Class;"));
85 EXPECT_TRUE(Class::IsInSamePackage("LFoo;", "LBar;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070086
87 // Mismatches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080088 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/io/File;"));
89 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/reflect/Method;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070090}
91
Elliott Hughes081be7f2011-09-18 16:50:26 -070092TEST_F(ObjectTest, Clone) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -070093 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -070094 SirtRef<ObjectArray<Object> > a1(soa.Self(),
95 class_linker_->AllocObjectArray<Object>(soa.Self(), 256));
Elliott Hughes081be7f2011-09-18 16:50:26 -070096 size_t s1 = a1->SizeOf();
Ian Rogers50b35e22012-10-04 10:09:15 -070097 Object* clone = a1->Clone(soa.Self());
Elliott Hughes081be7f2011-09-18 16:50:26 -070098 EXPECT_EQ(s1, clone->SizeOf());
99 EXPECT_TRUE(clone->GetClass() == a1->GetClass());
100}
101
Brian Carlstrom578bbdc2011-07-21 14:07:47 -0700102TEST_F(ObjectTest, AllocObjectArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700103 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700104 SirtRef<ObjectArray<Object> > oa(soa.Self(),
105 class_linker_->AllocObjectArray<Object>(soa.Self(), 2));
Elliott Hughesd8ddfd52011-08-15 14:32:53 -0700106 EXPECT_EQ(2, oa->GetLength());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700107 EXPECT_TRUE(oa->Get(0) == NULL);
108 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700109 oa->Set(0, oa.get());
110 EXPECT_TRUE(oa->Get(0) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700111 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700112 oa->Set(1, oa.get());
113 EXPECT_TRUE(oa->Get(0) == oa.get());
114 EXPECT_TRUE(oa->Get(1) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700115
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700116 Class* aioobe = class_linker_->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
117
118 EXPECT_TRUE(oa->Get(-1) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700119 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800120 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700121 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700122
123 EXPECT_TRUE(oa->Get(2) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700124 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800125 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700126 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700127
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700128 ASSERT_TRUE(oa->GetClass() != NULL);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800129 ClassHelper oa_ch(oa->GetClass());
Ian Rogersd24e2642012-06-06 21:21:43 -0700130 ASSERT_EQ(2U, oa_ch.NumDirectInterfaces());
131 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/lang/Cloneable;"), oa_ch.GetDirectInterface(0));
132 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/io/Serializable;"), oa_ch.GetDirectInterface(1));
Carl Shapiro0e5d75d2011-07-06 18:28:37 -0700133}
134
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700135TEST_F(ObjectTest, AllocArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700136 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700137 Class* c = class_linker_->FindSystemClass("[I");
Ian Rogers50b35e22012-10-04 10:09:15 -0700138 SirtRef<Array> a(soa.Self(), Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700139 ASSERT_TRUE(c == a->GetClass());
140
141 c = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Ian Rogers50b35e22012-10-04 10:09:15 -0700142 a.reset(Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700143 ASSERT_TRUE(c == a->GetClass());
144
145 c = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
Ian Rogers50b35e22012-10-04 10:09:15 -0700146 a.reset(Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700147 ASSERT_TRUE(c == a->GetClass());
148}
149
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700150template<typename ArrayT>
151void TestPrimitiveArray(ClassLinker* cl) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700152 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700153 typedef typename ArrayT::ElementType T;
154
Ian Rogers50b35e22012-10-04 10:09:15 -0700155 ArrayT* a = ArrayT::Alloc(soa.Self(), 2);
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700156 EXPECT_EQ(2, a->GetLength());
157 EXPECT_EQ(0, a->Get(0));
158 EXPECT_EQ(0, a->Get(1));
159 a->Set(0, T(123));
160 EXPECT_EQ(T(123), a->Get(0));
161 EXPECT_EQ(0, a->Get(1));
162 a->Set(1, T(321));
163 EXPECT_EQ(T(123), a->Get(0));
164 EXPECT_EQ(T(321), a->Get(1));
165
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700166 Class* aioobe = cl->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
167
168 EXPECT_EQ(0, a->Get(-1));
Ian Rogers1f539342012-10-03 21:09:42 -0700169 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800170 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700171 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700172
173 EXPECT_EQ(0, a->Get(2));
Ian Rogers1f539342012-10-03 21:09:42 -0700174 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800175 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700176 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700177}
178
179TEST_F(ObjectTest, PrimitiveArray_Boolean_Alloc) {
180 TestPrimitiveArray<BooleanArray>(class_linker_);
181}
182TEST_F(ObjectTest, PrimitiveArray_Byte_Alloc) {
183 TestPrimitiveArray<ByteArray>(class_linker_);
184}
185TEST_F(ObjectTest, PrimitiveArray_Char_Alloc) {
186 TestPrimitiveArray<CharArray>(class_linker_);
187}
188TEST_F(ObjectTest, PrimitiveArray_Double_Alloc) {
189 TestPrimitiveArray<DoubleArray>(class_linker_);
190}
191TEST_F(ObjectTest, PrimitiveArray_Float_Alloc) {
192 TestPrimitiveArray<FloatArray>(class_linker_);
193}
194TEST_F(ObjectTest, PrimitiveArray_Int_Alloc) {
195 TestPrimitiveArray<IntArray>(class_linker_);
196}
197TEST_F(ObjectTest, PrimitiveArray_Long_Alloc) {
198 TestPrimitiveArray<LongArray>(class_linker_);
199}
200TEST_F(ObjectTest, PrimitiveArray_Short_Alloc) {
201 TestPrimitiveArray<ShortArray>(class_linker_);
202}
203
Elliott Hughesb408de72011-10-04 14:35:05 -0700204TEST_F(ObjectTest, CheckAndAllocArrayFromCode) {
Ian Rogersb886da82011-09-23 16:27:54 -0700205 // pretend we are trying to call 'new char[3]' from String.toCharArray
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700206 ScopedObjectAccess soa(Thread::Current());
Ian Rogersb886da82011-09-23 16:27:54 -0700207 Class* java_util_Arrays = class_linker_->FindSystemClass("Ljava/util/Arrays;");
Brian Carlstromea46f952013-07-30 01:26:50 -0700208 ArtMethod* sort = java_util_Arrays->FindDirectMethod("sort", "([I)V");
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800209 const DexFile::StringId* string_id = java_lang_dex_file_->FindStringId("[I");
210 ASSERT_TRUE(string_id != NULL);
211 const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId(
212 java_lang_dex_file_->GetIndexForStringId(*string_id));
213 ASSERT_TRUE(type_id != NULL);
214 uint32_t type_idx = java_lang_dex_file_->GetIndexForTypeId(*type_id);
Ian Rogers0eb7d7e2012-01-31 21:12:32 -0800215 Object* array = CheckAndAllocArrayFromCode(type_idx, sort, 3, Thread::Current(), false);
Brian Carlstromb63ec392011-08-27 17:38:27 -0700216 EXPECT_TRUE(array->IsArrayInstance());
217 EXPECT_EQ(3, array->AsArray()->GetLength());
218 EXPECT_TRUE(array->GetClass()->IsArrayClass());
219 EXPECT_TRUE(array->GetClass()->GetComponentType()->IsPrimitive());
220}
221
Ian Rogers64b6d142012-10-29 16:34:15 -0700222TEST_F(ObjectTest, CreateMultiArray) {
223 ScopedObjectAccess soa(Thread::Current());
224
225 SirtRef<Class> c(soa.Self(), class_linker_->FindSystemClass("I"));
226 SirtRef<IntArray> dims(soa.Self(), IntArray::Alloc(soa.Self(), 1));
227 dims->Set(0, 1);
228 Array* multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
229 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[I"));
230 EXPECT_EQ(1, multi->GetLength());
231
232 dims->Set(0, -1);
233 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
234 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800235 EXPECT_EQ(PrettyDescriptor(soa.Self()->GetException(NULL)->GetClass()),
Ian Rogers64b6d142012-10-29 16:34:15 -0700236 "java.lang.NegativeArraySizeException");
237 soa.Self()->ClearException();
238
239 dims.reset(IntArray::Alloc(soa.Self(), 2));
240 for (int i = 1; i < 20; ++i) {
241 for (int j = 0; j < 20; ++j) {
242 dims->Set(0, i);
243 dims->Set(1, j);
244 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
245 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[[I"));
246 EXPECT_EQ(i, multi->GetLength());
247 for (int k = 0; k < i; ++k) {
248 Array* outer = multi->AsObjectArray<Array>()->Get(k);
249 EXPECT_TRUE(outer->GetClass() == class_linker_->FindSystemClass("[I"));
250 EXPECT_EQ(j, outer->GetLength());
251 }
252 }
253 }
254}
255
Brian Carlstromb9edb842011-08-28 16:31:06 -0700256TEST_F(ObjectTest, StaticFieldFromCode) {
jeffhaoabcfde32011-09-29 15:05:18 -0700257 // pretend we are trying to access 'Static.s0' from StaticsFromCode.<clinit>
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700258 ScopedObjectAccess soa(Thread::Current());
259 jobject class_loader = LoadDex("StaticsFromCode");
260 const DexFile* dex_file = Runtime::Current()->GetCompileTimeClassPath(class_loader)[0];
Brian Carlstrom848a4b32011-09-04 11:29:27 -0700261 CHECK(dex_file != NULL);
262
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700263 Class* klass =
264 class_linker_->FindClass("LStaticsFromCode;", soa.Decode<ClassLoader*>(class_loader));
Brian Carlstromea46f952013-07-30 01:26:50 -0700265 ArtMethod* clinit = klass->FindDirectMethod("<clinit>", "()V");
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800266 const DexFile::StringId* klass_string_id = dex_file->FindStringId("LStaticsFromCode;");
267 ASSERT_TRUE(klass_string_id != NULL);
268 const DexFile::TypeId* klass_type_id = dex_file->FindTypeId(
269 dex_file->GetIndexForStringId(*klass_string_id));
270 ASSERT_TRUE(klass_type_id != NULL);
271
272 const DexFile::StringId* type_string_id = dex_file->FindStringId("Ljava/lang/Object;");
273 ASSERT_TRUE(type_string_id != NULL);
274 const DexFile::TypeId* type_type_id = dex_file->FindTypeId(
275 dex_file->GetIndexForStringId(*type_string_id));
276 ASSERT_TRUE(type_type_id != NULL);
277
278 const DexFile::StringId* name_str_id = dex_file->FindStringId("s0");
279 ASSERT_TRUE(name_str_id != NULL);
280
281 const DexFile::FieldId* field_id = dex_file->FindFieldId(
282 *klass_type_id, *name_str_id, *type_type_id);
283 ASSERT_TRUE(field_id != NULL);
284 uint32_t field_idx = dex_file->GetIndexForFieldId(*field_id);
285
Brian Carlstromea46f952013-07-30 01:26:50 -0700286 ArtField* field = FindFieldFromCode(field_idx, clinit, Thread::Current(), StaticObjectRead,
287 sizeof(Object*), true);
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700288 Object* s0 = field->GetObj(klass);
Ian Rogers64b6d142012-10-29 16:34:15 -0700289 EXPECT_TRUE(s0 != NULL);
Brian Carlstromb9edb842011-08-28 16:31:06 -0700290
Ian Rogers50b35e22012-10-04 10:09:15 -0700291 SirtRef<CharArray> char_array(soa.Self(), CharArray::Alloc(soa.Self(), 0));
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700292 field->SetObj(field->GetDeclaringClass(), char_array.get());
293 EXPECT_EQ(char_array.get(), field->GetObj(klass));
Brian Carlstromb9edb842011-08-28 16:31:06 -0700294
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700295 field->SetObj(field->GetDeclaringClass(), NULL);
296 EXPECT_EQ(NULL, field->GetObj(klass));
Brian Carlstrom9f30b382011-08-28 22:41:38 -0700297
Brian Carlstromea46f952013-07-30 01:26:50 -0700298 // TODO: more exhaustive tests of all 6 cases of ArtField::*FromCode
Brian Carlstromb9edb842011-08-28 16:31:06 -0700299}
300
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700301TEST_F(ObjectTest, String) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700302 ScopedObjectAccess soa(Thread::Current());
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700303 // Test the empty string.
304 AssertString(0, "", "", 0);
305
306 // Test one-byte characters.
307 AssertString(1, " ", "\x00\x20", 0x20);
308 AssertString(1, "", "\x00\x00", 0);
309 AssertString(1, "\x7f", "\x00\x7f", 0x7f);
310 AssertString(2, "hi", "\x00\x68\x00\x69", (31 * 0x68) + 0x69);
311
312 // Test two-byte characters.
313 AssertString(1, "\xc2\x80", "\x00\x80", 0x80);
314 AssertString(1, "\xd9\xa6", "\x06\x66", 0x0666);
315 AssertString(1, "\xdf\xbf", "\x07\xff", 0x07ff);
316 AssertString(3, "h\xd9\xa6i", "\x00\x68\x06\x66\x00\x69", (31 * ((31 * 0x68) + 0x0666)) + 0x69);
317
318 // Test three-byte characters.
319 AssertString(1, "\xe0\xa0\x80", "\x08\x00", 0x0800);
320 AssertString(1, "\xe1\x88\xb4", "\x12\x34", 0x1234);
321 AssertString(1, "\xef\xbf\xbf", "\xff\xff", 0xffff);
322 AssertString(3, "h\xe1\x88\xb4i", "\x00\x68\x12\x34\x00\x69", (31 * ((31 * 0x68) + 0x1234)) + 0x69);
323}
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400324
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700325TEST_F(ObjectTest, StringEqualsUtf8) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700326 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700327 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700328 EXPECT_TRUE(string->Equals("android"));
329 EXPECT_FALSE(string->Equals("Android"));
330 EXPECT_FALSE(string->Equals("ANDROID"));
331 EXPECT_FALSE(string->Equals(""));
332 EXPECT_FALSE(string->Equals("and"));
333 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700334
Ian Rogers50b35e22012-10-04 10:09:15 -0700335 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700336 EXPECT_TRUE(empty->Equals(""));
337 EXPECT_FALSE(empty->Equals("a"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400338}
339
340TEST_F(ObjectTest, StringEquals) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700341 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700342 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
343 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700344 EXPECT_TRUE(string->Equals(string_2.get()));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700345 EXPECT_FALSE(string->Equals("Android"));
346 EXPECT_FALSE(string->Equals("ANDROID"));
347 EXPECT_FALSE(string->Equals(""));
348 EXPECT_FALSE(string->Equals("and"));
349 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400350
Ian Rogers50b35e22012-10-04 10:09:15 -0700351 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700352 EXPECT_TRUE(empty->Equals(""));
353 EXPECT_FALSE(empty->Equals("a"));
354}
355
Ian Rogers64b6d142012-10-29 16:34:15 -0700356TEST_F(ObjectTest, StringCompareTo) {
357 ScopedObjectAccess soa(Thread::Current());
358 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
359 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
360 SirtRef<String> string_3(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "Android"));
361 SirtRef<String> string_4(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "and"));
362 SirtRef<String> string_5(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
363 EXPECT_EQ(0, string->CompareTo(string_2.get()));
364 EXPECT_LT(0, string->CompareTo(string_3.get()));
365 EXPECT_GT(0, string_3->CompareTo(string.get()));
366 EXPECT_LT(0, string->CompareTo(string_4.get()));
367 EXPECT_GT(0, string_4->CompareTo(string.get()));
368 EXPECT_LT(0, string->CompareTo(string_5.get()));
369 EXPECT_GT(0, string_5->CompareTo(string.get()));
370}
371
jeffhao0ce13152012-03-27 19:45:50 -0700372TEST_F(ObjectTest, StringLength) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700373 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700374 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
jeffhao0ce13152012-03-27 19:45:50 -0700375 EXPECT_EQ(string->GetLength(), 7);
376 EXPECT_EQ(string->GetUtfLength(), 7);
377
378 string->SetOffset(2);
379 string->SetCount(5);
380 EXPECT_TRUE(string->Equals("droid"));
381 EXPECT_EQ(string->GetLength(), 5);
382 EXPECT_EQ(string->GetUtfLength(), 5);
383}
384
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700385TEST_F(ObjectTest, DescriptorCompare) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700386 ScopedObjectAccess soa(Thread::Current());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700387 ClassLinker* linker = class_linker_;
388
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700389 jobject jclass_loader_1 = LoadDex("ProtoCompare");
390 jobject jclass_loader_2 = LoadDex("ProtoCompare2");
Ian Rogers1f539342012-10-03 21:09:42 -0700391 SirtRef<ClassLoader> class_loader_1(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_1));
392 SirtRef<ClassLoader> class_loader_2(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_2));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700393
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700394 Class* klass1 = linker->FindClass("LProtoCompare;", class_loader_1.get());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700395 ASSERT_TRUE(klass1 != NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700396 Class* klass2 = linker->FindClass("LProtoCompare2;", class_loader_2.get());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700397 ASSERT_TRUE(klass2 != NULL);
398
Brian Carlstromea46f952013-07-30 01:26:50 -0700399 ArtMethod* m1_1 = klass1->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800400 MethodHelper mh(m1_1);
401 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700402 ArtMethod* m2_1 = klass1->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800403 mh.ChangeMethod(m2_1);
404 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700405 ArtMethod* m3_1 = klass1->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800406 mh.ChangeMethod(m3_1);
407 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700408 ArtMethod* m4_1 = klass1->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800409 mh.ChangeMethod(m4_1);
410 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700411
Brian Carlstromea46f952013-07-30 01:26:50 -0700412 ArtMethod* m1_2 = klass2->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800413 mh.ChangeMethod(m1_2);
414 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700415 ArtMethod* m2_2 = klass2->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800416 mh.ChangeMethod(m2_2);
417 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700418 ArtMethod* m3_2 = klass2->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800419 mh.ChangeMethod(m3_2);
420 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700421 ArtMethod* m4_2 = klass2->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800422 mh.ChangeMethod(m4_2);
423 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700424
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800425 mh.ChangeMethod(m1_1);
426 MethodHelper mh2(m1_2);
427 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
428 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700429
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800430 mh.ChangeMethod(m2_1);
431 mh2.ChangeMethod(m2_2);
432 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
433 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700434
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800435 mh.ChangeMethod(m3_1);
436 mh2.ChangeMethod(m3_2);
437 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
438 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700439
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800440 mh.ChangeMethod(m4_1);
441 mh2.ChangeMethod(m4_2);
442 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
443 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400444}
445
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700446TEST_F(ObjectTest, StringHashCode) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700447 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700448 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
449 SirtRef<String> A(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "A"));
450 SirtRef<String> ABC(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700451
452 EXPECT_EQ(0, empty->GetHashCode());
453 EXPECT_EQ(65, A->GetHashCode());
454 EXPECT_EQ(64578, ABC->GetHashCode());
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700455}
456
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700457TEST_F(ObjectTest, InstanceOf) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700458 ScopedObjectAccess soa(Thread::Current());
459 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700460 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700461
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700462 Class* X = class_linker_->FindClass("LX;", class_loader.get());
463 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700464 ASSERT_TRUE(X != NULL);
465 ASSERT_TRUE(Y != NULL);
466
Ian Rogers50b35e22012-10-04 10:09:15 -0700467 SirtRef<Object> x(soa.Self(), X->AllocObject(soa.Self()));
468 SirtRef<Object> y(soa.Self(), Y->AllocObject(soa.Self()));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700469 ASSERT_TRUE(x.get() != NULL);
470 ASSERT_TRUE(y.get() != NULL);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700471
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700472 EXPECT_TRUE(x->InstanceOf(X));
473 EXPECT_FALSE(x->InstanceOf(Y));
474 EXPECT_TRUE(y->InstanceOf(X));
475 EXPECT_TRUE(y->InstanceOf(Y));
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700476
Elliott Hughes92f14b22011-10-06 12:29:54 -0700477 Class* java_lang_Class = class_linker_->FindSystemClass("Ljava/lang/Class;");
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700478 Class* Object_array_class = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Elliott Hughes92f14b22011-10-06 12:29:54 -0700479
480 EXPECT_FALSE(java_lang_Class->InstanceOf(Object_array_class));
481 EXPECT_TRUE(Object_array_class->InstanceOf(java_lang_Class));
482
483 // All array classes implement Cloneable and Serializable.
Ian Rogers50b35e22012-10-04 10:09:15 -0700484 Object* array = ObjectArray<Object>::Alloc(soa.Self(), Object_array_class, 1);
Elliott Hughes92f14b22011-10-06 12:29:54 -0700485 Class* java_lang_Cloneable = class_linker_->FindSystemClass("Ljava/lang/Cloneable;");
486 Class* java_io_Serializable = class_linker_->FindSystemClass("Ljava/io/Serializable;");
487 EXPECT_TRUE(array->InstanceOf(java_lang_Cloneable));
488 EXPECT_TRUE(array->InstanceOf(java_io_Serializable));
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700489}
490
491TEST_F(ObjectTest, IsAssignableFrom) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700492 ScopedObjectAccess soa(Thread::Current());
493 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700494 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700495 Class* X = class_linker_->FindClass("LX;", class_loader.get());
496 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700497
498 EXPECT_TRUE(X->IsAssignableFrom(X));
499 EXPECT_TRUE(X->IsAssignableFrom(Y));
500 EXPECT_FALSE(Y->IsAssignableFrom(X));
501 EXPECT_TRUE(Y->IsAssignableFrom(Y));
Ian Rogersd81871c2011-10-03 13:57:23 -0700502
503 // class final String implements CharSequence, ..
504 Class* string = class_linker_->FindSystemClass("Ljava/lang/String;");
505 Class* charseq = class_linker_->FindSystemClass("Ljava/lang/CharSequence;");
506 // Can String be assigned to CharSequence without a cast?
507 EXPECT_TRUE(charseq->IsAssignableFrom(string));
508 // Can CharSequence be assigned to String without a cast?
509 EXPECT_FALSE(string->IsAssignableFrom(charseq));
510
511 // Primitive types are only assignable to themselves
512 const char* prims = "ZBCSIJFD";
513 Class* prim_types[strlen(prims)];
514 for (size_t i = 0; i < strlen(prims); i++) {
515 prim_types[i] = class_linker_->FindPrimitiveClass(prims[i]);
516 }
517 for (size_t i = 0; i < strlen(prims); i++) {
518 for (size_t j = 0; i < strlen(prims); i++) {
519 if (i == j) {
520 EXPECT_TRUE(prim_types[i]->IsAssignableFrom(prim_types[j]));
521 } else {
522 EXPECT_FALSE(prim_types[i]->IsAssignableFrom(prim_types[j]));
523 }
524 }
525 }
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700526}
527
528TEST_F(ObjectTest, IsAssignableFromArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700529 ScopedObjectAccess soa(Thread::Current());
530 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700531 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700532 Class* X = class_linker_->FindClass("LX;", class_loader.get());
533 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700534 ASSERT_TRUE(X != NULL);
535 ASSERT_TRUE(Y != NULL);
536
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700537 Class* YA = class_linker_->FindClass("[LY;", class_loader.get());
538 Class* YAA = class_linker_->FindClass("[[LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700539 ASSERT_TRUE(YA != NULL);
540 ASSERT_TRUE(YAA != NULL);
541
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700542 Class* XAA = class_linker_->FindClass("[[LX;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700543 ASSERT_TRUE(XAA != NULL);
544
545 Class* O = class_linker_->FindSystemClass("Ljava/lang/Object;");
546 Class* OA = class_linker_->FindSystemClass("[Ljava/lang/Object;");
547 Class* OAA = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
548 Class* OAAA = class_linker_->FindSystemClass("[[[Ljava/lang/Object;");
549 ASSERT_TRUE(O != NULL);
550 ASSERT_TRUE(OA != NULL);
551 ASSERT_TRUE(OAA != NULL);
552 ASSERT_TRUE(OAAA != NULL);
553
554 Class* S = class_linker_->FindSystemClass("Ljava/io/Serializable;");
555 Class* SA = class_linker_->FindSystemClass("[Ljava/io/Serializable;");
556 Class* SAA = class_linker_->FindSystemClass("[[Ljava/io/Serializable;");
557 ASSERT_TRUE(S != NULL);
558 ASSERT_TRUE(SA != NULL);
559 ASSERT_TRUE(SAA != NULL);
560
561 Class* IA = class_linker_->FindSystemClass("[I");
562 ASSERT_TRUE(IA != NULL);
563
564 EXPECT_TRUE(YAA->IsAssignableFrom(YAA)); // identity
565 EXPECT_TRUE(XAA->IsAssignableFrom(YAA)); // element superclass
566 EXPECT_FALSE(YAA->IsAssignableFrom(XAA));
567 EXPECT_FALSE(Y->IsAssignableFrom(YAA));
568 EXPECT_FALSE(YA->IsAssignableFrom(YAA));
569 EXPECT_TRUE(O->IsAssignableFrom(YAA)); // everything is an Object
570 EXPECT_TRUE(OA->IsAssignableFrom(YAA));
571 EXPECT_TRUE(OAA->IsAssignableFrom(YAA));
572 EXPECT_TRUE(S->IsAssignableFrom(YAA)); // all arrays are Serializable
573 EXPECT_TRUE(SA->IsAssignableFrom(YAA));
574 EXPECT_FALSE(SAA->IsAssignableFrom(YAA)); // unless Y was Serializable
575
576 EXPECT_FALSE(IA->IsAssignableFrom(OA));
577 EXPECT_FALSE(OA->IsAssignableFrom(IA));
578 EXPECT_TRUE(O->IsAssignableFrom(IA));
579}
580
Elliott Hughescdf53122011-08-19 15:46:09 -0700581TEST_F(ObjectTest, FindInstanceField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700582 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700583 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700584 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700585 Class* c = s->GetClass();
586 ASSERT_TRUE(c != NULL);
587
588 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700589 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "J") == NULL);
590 EXPECT_TRUE(c->FindInstanceField("count", "J") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700591
592 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700593 EXPECT_TRUE(c->FindDeclaredInstanceField("Count", "I") == NULL);
594 EXPECT_TRUE(c->FindInstanceField("Count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700595
596 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700597 ArtField* f1 = c->FindDeclaredInstanceField("count", "I");
598 ArtField* f2 = c->FindInstanceField("count", "I");
Elliott Hughescdf53122011-08-19 15:46:09 -0700599 EXPECT_TRUE(f1 != NULL);
600 EXPECT_TRUE(f2 != NULL);
601 EXPECT_EQ(f1, f2);
602
603 // TODO: check that s.count == 3.
604
605 // Ensure that we handle superclass fields correctly...
606 c = class_linker_->FindSystemClass("Ljava/lang/StringBuilder;");
607 ASSERT_TRUE(c != NULL);
608 // No StringBuilder.count...
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700609 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700610 // ...but there is an AbstractStringBuilder.count.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700611 EXPECT_TRUE(c->FindInstanceField("count", "I") != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700612}
613
614TEST_F(ObjectTest, FindStaticField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700615 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700616 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700617 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700618 Class* c = s->GetClass();
619 ASSERT_TRUE(c != NULL);
620
621 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700622 EXPECT_TRUE(c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
623 EXPECT_TRUE(c->FindStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700624
625 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700626 EXPECT_TRUE(c->FindDeclaredStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
627 EXPECT_TRUE(c->FindStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700628
629 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700630 ArtField* f1 = c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
631 ArtField* f2 = c->FindStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
Elliott Hughescdf53122011-08-19 15:46:09 -0700632 EXPECT_TRUE(f1 != NULL);
633 EXPECT_TRUE(f2 != NULL);
634 EXPECT_EQ(f1, f2);
635
636 // TODO: test static fields via superclasses.
637 // TODO: test static fields via interfaces.
638 // TODO: test that interfaces trump superclasses.
639}
640
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800641} // namespace mirror
Carl Shapiro894d0fa2011-06-30 14:48:49 -0700642} // namespace art