blob: 853031701a38cbfa13f59dd2393c285def5d286c [file] [log] [blame]
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) {
Ian Rogersa9a82542013-10-04 11:17:26 -070074 EXPECT_EQ(CLASS_OFFSET, Object::ClassOffset().Int32Value());
75 EXPECT_EQ(LOCK_WORD_OFFSET, Object::MonitorOffset().Int32Value());
Jeff Hao5d917302013-02-27 17:57:33 -080076
Ian Rogersa9a82542013-10-04 11:17:26 -070077 EXPECT_EQ(CLASS_COMPONENT_TYPE_OFFSET, Class::ComponentTypeOffset().Int32Value());
78
79 EXPECT_EQ(ARRAY_LENGTH_OFFSET, Array::LengthOffset().Int32Value());
80 EXPECT_EQ(OBJECT_ARRAY_DATA_OFFSET, Array::DataOffset(sizeof(Object*)).Int32Value());
81
82 EXPECT_EQ(STRING_VALUE_OFFSET, String::ValueOffset().Int32Value());
83 EXPECT_EQ(STRING_COUNT_OFFSET, String::CountOffset().Int32Value());
84 EXPECT_EQ(STRING_OFFSET_OFFSET, String::OffsetOffset().Int32Value());
85 EXPECT_EQ(STRING_DATA_OFFSET, Array::DataOffset(sizeof(uint16_t)).Int32Value());
86
Jeff Hao88474b42013-10-23 16:24:40 -070087 EXPECT_EQ(METHOD_DEX_CACHE_METHODS_OFFSET, ArtMethod::DexCacheResolvedMethodsOffset().Int32Value());
Ian Rogersa9a82542013-10-04 11:17:26 -070088 EXPECT_EQ(METHOD_CODE_OFFSET, ArtMethod::EntryPointFromCompiledCodeOffset().Int32Value());
buzbeefc9e6fa2012-03-23 15:14:29 -070089}
90
Brian Carlstroma331b3c2011-07-18 17:47:56 -070091TEST_F(ObjectTest, IsInSamePackage) {
Carl Shapiro894d0fa2011-06-30 14:48:49 -070092 // Matches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080093 EXPECT_TRUE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/Class;"));
94 EXPECT_TRUE(Class::IsInSamePackage("LFoo;", "LBar;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070095
96 // Mismatches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080097 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/io/File;"));
98 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/reflect/Method;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070099}
100
Elliott Hughes081be7f2011-09-18 16:50:26 -0700101TEST_F(ObjectTest, Clone) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700102 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700103 SirtRef<ObjectArray<Object> > a1(soa.Self(),
104 class_linker_->AllocObjectArray<Object>(soa.Self(), 256));
Elliott Hughes081be7f2011-09-18 16:50:26 -0700105 size_t s1 = a1->SizeOf();
Ian Rogers50b35e22012-10-04 10:09:15 -0700106 Object* clone = a1->Clone(soa.Self());
Elliott Hughes081be7f2011-09-18 16:50:26 -0700107 EXPECT_EQ(s1, clone->SizeOf());
108 EXPECT_TRUE(clone->GetClass() == a1->GetClass());
109}
110
Brian Carlstrom578bbdc2011-07-21 14:07:47 -0700111TEST_F(ObjectTest, AllocObjectArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700112 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700113 SirtRef<ObjectArray<Object> > oa(soa.Self(),
114 class_linker_->AllocObjectArray<Object>(soa.Self(), 2));
Elliott Hughesd8ddfd52011-08-15 14:32:53 -0700115 EXPECT_EQ(2, oa->GetLength());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700116 EXPECT_TRUE(oa->Get(0) == NULL);
117 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700118 oa->Set(0, oa.get());
119 EXPECT_TRUE(oa->Get(0) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700120 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700121 oa->Set(1, oa.get());
122 EXPECT_TRUE(oa->Get(0) == oa.get());
123 EXPECT_TRUE(oa->Get(1) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700124
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700125 Class* aioobe = class_linker_->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
126
127 EXPECT_TRUE(oa->Get(-1) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700128 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800129 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700130 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700131
132 EXPECT_TRUE(oa->Get(2) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700133 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800134 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700135 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700136
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700137 ASSERT_TRUE(oa->GetClass() != NULL);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800138 ClassHelper oa_ch(oa->GetClass());
Ian Rogersd24e2642012-06-06 21:21:43 -0700139 ASSERT_EQ(2U, oa_ch.NumDirectInterfaces());
140 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/lang/Cloneable;"), oa_ch.GetDirectInterface(0));
141 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/io/Serializable;"), oa_ch.GetDirectInterface(1));
Carl Shapiro0e5d75d2011-07-06 18:28:37 -0700142}
143
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700144TEST_F(ObjectTest, AllocArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700145 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700146 Class* c = class_linker_->FindSystemClass("[I");
Mathieu Chartier590fee92013-09-13 13:46:47 -0700147 SirtRef<Array> a(soa.Self(), Array::Alloc<kMovingCollector, true>(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700148 ASSERT_TRUE(c == a->GetClass());
149
150 c = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Mathieu Chartier590fee92013-09-13 13:46:47 -0700151 a.reset(Array::Alloc<kMovingCollector, true>(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700152 ASSERT_TRUE(c == a->GetClass());
153
154 c = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
Mathieu Chartier590fee92013-09-13 13:46:47 -0700155 a.reset(Array::Alloc<kMovingCollector, true>(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700156 ASSERT_TRUE(c == a->GetClass());
157}
158
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700159template<typename ArrayT>
160void TestPrimitiveArray(ClassLinker* cl) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700161 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700162 typedef typename ArrayT::ElementType T;
163
Ian Rogers50b35e22012-10-04 10:09:15 -0700164 ArrayT* a = ArrayT::Alloc(soa.Self(), 2);
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700165 EXPECT_EQ(2, a->GetLength());
166 EXPECT_EQ(0, a->Get(0));
167 EXPECT_EQ(0, a->Get(1));
168 a->Set(0, T(123));
169 EXPECT_EQ(T(123), a->Get(0));
170 EXPECT_EQ(0, a->Get(1));
171 a->Set(1, T(321));
172 EXPECT_EQ(T(123), a->Get(0));
173 EXPECT_EQ(T(321), a->Get(1));
174
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700175 Class* aioobe = cl->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
176
177 EXPECT_EQ(0, a->Get(-1));
Ian Rogers1f539342012-10-03 21:09:42 -0700178 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800179 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700180 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700181
182 EXPECT_EQ(0, a->Get(2));
Ian Rogers1f539342012-10-03 21:09:42 -0700183 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800184 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700185 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700186}
187
188TEST_F(ObjectTest, PrimitiveArray_Boolean_Alloc) {
189 TestPrimitiveArray<BooleanArray>(class_linker_);
190}
191TEST_F(ObjectTest, PrimitiveArray_Byte_Alloc) {
192 TestPrimitiveArray<ByteArray>(class_linker_);
193}
194TEST_F(ObjectTest, PrimitiveArray_Char_Alloc) {
195 TestPrimitiveArray<CharArray>(class_linker_);
196}
197TEST_F(ObjectTest, PrimitiveArray_Double_Alloc) {
198 TestPrimitiveArray<DoubleArray>(class_linker_);
199}
200TEST_F(ObjectTest, PrimitiveArray_Float_Alloc) {
201 TestPrimitiveArray<FloatArray>(class_linker_);
202}
203TEST_F(ObjectTest, PrimitiveArray_Int_Alloc) {
204 TestPrimitiveArray<IntArray>(class_linker_);
205}
206TEST_F(ObjectTest, PrimitiveArray_Long_Alloc) {
207 TestPrimitiveArray<LongArray>(class_linker_);
208}
209TEST_F(ObjectTest, PrimitiveArray_Short_Alloc) {
210 TestPrimitiveArray<ShortArray>(class_linker_);
211}
212
Elliott Hughesb408de72011-10-04 14:35:05 -0700213TEST_F(ObjectTest, CheckAndAllocArrayFromCode) {
Ian Rogersb886da82011-09-23 16:27:54 -0700214 // pretend we are trying to call 'new char[3]' from String.toCharArray
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700215 ScopedObjectAccess soa(Thread::Current());
Ian Rogersb886da82011-09-23 16:27:54 -0700216 Class* java_util_Arrays = class_linker_->FindSystemClass("Ljava/util/Arrays;");
Brian Carlstromea46f952013-07-30 01:26:50 -0700217 ArtMethod* sort = java_util_Arrays->FindDirectMethod("sort", "([I)V");
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800218 const DexFile::StringId* string_id = java_lang_dex_file_->FindStringId("[I");
219 ASSERT_TRUE(string_id != NULL);
220 const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId(
221 java_lang_dex_file_->GetIndexForStringId(*string_id));
222 ASSERT_TRUE(type_id != NULL);
223 uint32_t type_idx = java_lang_dex_file_->GetIndexForTypeId(*type_id);
Ian Rogers0eb7d7e2012-01-31 21:12:32 -0800224 Object* array = CheckAndAllocArrayFromCode(type_idx, sort, 3, Thread::Current(), false);
Brian Carlstromb63ec392011-08-27 17:38:27 -0700225 EXPECT_TRUE(array->IsArrayInstance());
226 EXPECT_EQ(3, array->AsArray()->GetLength());
227 EXPECT_TRUE(array->GetClass()->IsArrayClass());
228 EXPECT_TRUE(array->GetClass()->GetComponentType()->IsPrimitive());
229}
230
Ian Rogers64b6d142012-10-29 16:34:15 -0700231TEST_F(ObjectTest, CreateMultiArray) {
232 ScopedObjectAccess soa(Thread::Current());
233
234 SirtRef<Class> c(soa.Self(), class_linker_->FindSystemClass("I"));
235 SirtRef<IntArray> dims(soa.Self(), IntArray::Alloc(soa.Self(), 1));
236 dims->Set(0, 1);
237 Array* multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
238 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[I"));
239 EXPECT_EQ(1, multi->GetLength());
240
241 dims->Set(0, -1);
242 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
243 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800244 EXPECT_EQ(PrettyDescriptor(soa.Self()->GetException(NULL)->GetClass()),
Ian Rogers64b6d142012-10-29 16:34:15 -0700245 "java.lang.NegativeArraySizeException");
246 soa.Self()->ClearException();
247
248 dims.reset(IntArray::Alloc(soa.Self(), 2));
249 for (int i = 1; i < 20; ++i) {
250 for (int j = 0; j < 20; ++j) {
251 dims->Set(0, i);
252 dims->Set(1, j);
253 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
254 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[[I"));
255 EXPECT_EQ(i, multi->GetLength());
256 for (int k = 0; k < i; ++k) {
257 Array* outer = multi->AsObjectArray<Array>()->Get(k);
258 EXPECT_TRUE(outer->GetClass() == class_linker_->FindSystemClass("[I"));
259 EXPECT_EQ(j, outer->GetLength());
260 }
261 }
262 }
263}
264
Brian Carlstromb9edb842011-08-28 16:31:06 -0700265TEST_F(ObjectTest, StaticFieldFromCode) {
jeffhaoabcfde32011-09-29 15:05:18 -0700266 // pretend we are trying to access 'Static.s0' from StaticsFromCode.<clinit>
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700267 ScopedObjectAccess soa(Thread::Current());
268 jobject class_loader = LoadDex("StaticsFromCode");
269 const DexFile* dex_file = Runtime::Current()->GetCompileTimeClassPath(class_loader)[0];
Brian Carlstrom848a4b32011-09-04 11:29:27 -0700270 CHECK(dex_file != NULL);
271
Mathieu Chartier590fee92013-09-13 13:46:47 -0700272 SirtRef<mirror::ClassLoader> loader(soa.Self(), soa.Decode<ClassLoader*>(class_loader));
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700273 Class* klass =
Mathieu Chartier590fee92013-09-13 13:46:47 -0700274 class_linker_->FindClass("LStaticsFromCode;", loader);
Ian Rogers241b5de2013-10-09 17:58:57 -0700275 ArtMethod* clinit = klass->FindClassInitializer();
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800276 const DexFile::StringId* klass_string_id = dex_file->FindStringId("LStaticsFromCode;");
277 ASSERT_TRUE(klass_string_id != NULL);
278 const DexFile::TypeId* klass_type_id = dex_file->FindTypeId(
279 dex_file->GetIndexForStringId(*klass_string_id));
280 ASSERT_TRUE(klass_type_id != NULL);
281
282 const DexFile::StringId* type_string_id = dex_file->FindStringId("Ljava/lang/Object;");
283 ASSERT_TRUE(type_string_id != NULL);
284 const DexFile::TypeId* type_type_id = dex_file->FindTypeId(
285 dex_file->GetIndexForStringId(*type_string_id));
286 ASSERT_TRUE(type_type_id != NULL);
287
288 const DexFile::StringId* name_str_id = dex_file->FindStringId("s0");
289 ASSERT_TRUE(name_str_id != NULL);
290
291 const DexFile::FieldId* field_id = dex_file->FindFieldId(
292 *klass_type_id, *name_str_id, *type_type_id);
293 ASSERT_TRUE(field_id != NULL);
294 uint32_t field_idx = dex_file->GetIndexForFieldId(*field_id);
295
Sebastien Hertzd4beb6b2013-10-02 17:07:20 +0200296 ArtField* field = FindFieldFromCode<StaticObjectRead, true>(field_idx, clinit, Thread::Current(),
297 sizeof(Object*));
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700298 Object* s0 = field->GetObj(klass);
Ian Rogers64b6d142012-10-29 16:34:15 -0700299 EXPECT_TRUE(s0 != NULL);
Brian Carlstromb9edb842011-08-28 16:31:06 -0700300
Ian Rogers50b35e22012-10-04 10:09:15 -0700301 SirtRef<CharArray> char_array(soa.Self(), CharArray::Alloc(soa.Self(), 0));
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700302 field->SetObj(field->GetDeclaringClass(), char_array.get());
303 EXPECT_EQ(char_array.get(), field->GetObj(klass));
Brian Carlstromb9edb842011-08-28 16:31:06 -0700304
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700305 field->SetObj(field->GetDeclaringClass(), NULL);
306 EXPECT_EQ(NULL, field->GetObj(klass));
Brian Carlstrom9f30b382011-08-28 22:41:38 -0700307
Brian Carlstromea46f952013-07-30 01:26:50 -0700308 // TODO: more exhaustive tests of all 6 cases of ArtField::*FromCode
Brian Carlstromb9edb842011-08-28 16:31:06 -0700309}
310
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700311TEST_F(ObjectTest, String) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700312 ScopedObjectAccess soa(Thread::Current());
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700313 // Test the empty string.
314 AssertString(0, "", "", 0);
315
316 // Test one-byte characters.
317 AssertString(1, " ", "\x00\x20", 0x20);
318 AssertString(1, "", "\x00\x00", 0);
319 AssertString(1, "\x7f", "\x00\x7f", 0x7f);
320 AssertString(2, "hi", "\x00\x68\x00\x69", (31 * 0x68) + 0x69);
321
322 // Test two-byte characters.
323 AssertString(1, "\xc2\x80", "\x00\x80", 0x80);
324 AssertString(1, "\xd9\xa6", "\x06\x66", 0x0666);
325 AssertString(1, "\xdf\xbf", "\x07\xff", 0x07ff);
326 AssertString(3, "h\xd9\xa6i", "\x00\x68\x06\x66\x00\x69", (31 * ((31 * 0x68) + 0x0666)) + 0x69);
327
328 // Test three-byte characters.
329 AssertString(1, "\xe0\xa0\x80", "\x08\x00", 0x0800);
330 AssertString(1, "\xe1\x88\xb4", "\x12\x34", 0x1234);
331 AssertString(1, "\xef\xbf\xbf", "\xff\xff", 0xffff);
332 AssertString(3, "h\xe1\x88\xb4i", "\x00\x68\x12\x34\x00\x69", (31 * ((31 * 0x68) + 0x1234)) + 0x69);
333}
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400334
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700335TEST_F(ObjectTest, StringEqualsUtf8) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700336 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700337 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700338 EXPECT_TRUE(string->Equals("android"));
339 EXPECT_FALSE(string->Equals("Android"));
340 EXPECT_FALSE(string->Equals("ANDROID"));
341 EXPECT_FALSE(string->Equals(""));
342 EXPECT_FALSE(string->Equals("and"));
343 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700344
Ian Rogers50b35e22012-10-04 10:09:15 -0700345 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700346 EXPECT_TRUE(empty->Equals(""));
347 EXPECT_FALSE(empty->Equals("a"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400348}
349
350TEST_F(ObjectTest, StringEquals) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700351 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700352 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
353 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700354 EXPECT_TRUE(string->Equals(string_2.get()));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700355 EXPECT_FALSE(string->Equals("Android"));
356 EXPECT_FALSE(string->Equals("ANDROID"));
357 EXPECT_FALSE(string->Equals(""));
358 EXPECT_FALSE(string->Equals("and"));
359 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400360
Ian Rogers50b35e22012-10-04 10:09:15 -0700361 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700362 EXPECT_TRUE(empty->Equals(""));
363 EXPECT_FALSE(empty->Equals("a"));
364}
365
Ian Rogers64b6d142012-10-29 16:34:15 -0700366TEST_F(ObjectTest, StringCompareTo) {
367 ScopedObjectAccess soa(Thread::Current());
368 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
369 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
370 SirtRef<String> string_3(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "Android"));
371 SirtRef<String> string_4(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "and"));
372 SirtRef<String> string_5(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
373 EXPECT_EQ(0, string->CompareTo(string_2.get()));
374 EXPECT_LT(0, string->CompareTo(string_3.get()));
375 EXPECT_GT(0, string_3->CompareTo(string.get()));
376 EXPECT_LT(0, string->CompareTo(string_4.get()));
377 EXPECT_GT(0, string_4->CompareTo(string.get()));
378 EXPECT_LT(0, string->CompareTo(string_5.get()));
379 EXPECT_GT(0, string_5->CompareTo(string.get()));
380}
381
jeffhao0ce13152012-03-27 19:45:50 -0700382TEST_F(ObjectTest, StringLength) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700383 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700384 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
jeffhao0ce13152012-03-27 19:45:50 -0700385 EXPECT_EQ(string->GetLength(), 7);
386 EXPECT_EQ(string->GetUtfLength(), 7);
387
388 string->SetOffset(2);
389 string->SetCount(5);
390 EXPECT_TRUE(string->Equals("droid"));
391 EXPECT_EQ(string->GetLength(), 5);
392 EXPECT_EQ(string->GetUtfLength(), 5);
393}
394
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700395TEST_F(ObjectTest, DescriptorCompare) {
Mathieu Chartier590fee92013-09-13 13:46:47 -0700396 // Two classloaders conflicts in compile_time_class_paths_.
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700397 ScopedObjectAccess soa(Thread::Current());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700398 ClassLinker* linker = class_linker_;
399
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700400 jobject jclass_loader_1 = LoadDex("ProtoCompare");
401 jobject jclass_loader_2 = LoadDex("ProtoCompare2");
Ian Rogers1f539342012-10-03 21:09:42 -0700402 SirtRef<ClassLoader> class_loader_1(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_1));
403 SirtRef<ClassLoader> class_loader_2(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_2));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700404
Mathieu Chartier590fee92013-09-13 13:46:47 -0700405 Class* klass1 = linker->FindClass("LProtoCompare;", class_loader_1);
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700406 ASSERT_TRUE(klass1 != NULL);
Mathieu Chartier590fee92013-09-13 13:46:47 -0700407 Class* klass2 = linker->FindClass("LProtoCompare2;", class_loader_2);
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700408 ASSERT_TRUE(klass2 != NULL);
409
Brian Carlstromea46f952013-07-30 01:26:50 -0700410 ArtMethod* m1_1 = klass1->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800411 MethodHelper mh(m1_1);
412 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700413 ArtMethod* m2_1 = klass1->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800414 mh.ChangeMethod(m2_1);
415 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700416 ArtMethod* m3_1 = klass1->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800417 mh.ChangeMethod(m3_1);
418 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700419 ArtMethod* m4_1 = klass1->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800420 mh.ChangeMethod(m4_1);
421 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700422
Brian Carlstromea46f952013-07-30 01:26:50 -0700423 ArtMethod* m1_2 = klass2->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800424 mh.ChangeMethod(m1_2);
425 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700426 ArtMethod* m2_2 = klass2->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800427 mh.ChangeMethod(m2_2);
428 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700429 ArtMethod* m3_2 = klass2->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800430 mh.ChangeMethod(m3_2);
431 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700432 ArtMethod* m4_2 = klass2->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800433 mh.ChangeMethod(m4_2);
434 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700435
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800436 mh.ChangeMethod(m1_1);
437 MethodHelper mh2(m1_2);
438 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
439 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700440
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800441 mh.ChangeMethod(m2_1);
442 mh2.ChangeMethod(m2_2);
443 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
444 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700445
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800446 mh.ChangeMethod(m3_1);
447 mh2.ChangeMethod(m3_2);
448 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
449 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700450
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800451 mh.ChangeMethod(m4_1);
452 mh2.ChangeMethod(m4_2);
453 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
454 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400455}
456
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700457TEST_F(ObjectTest, StringHashCode) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700458 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700459 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
460 SirtRef<String> A(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "A"));
461 SirtRef<String> ABC(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700462
463 EXPECT_EQ(0, empty->GetHashCode());
464 EXPECT_EQ(65, A->GetHashCode());
465 EXPECT_EQ(64578, ABC->GetHashCode());
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700466}
467
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700468TEST_F(ObjectTest, InstanceOf) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700469 ScopedObjectAccess soa(Thread::Current());
470 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700471 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700472
Mathieu Chartier590fee92013-09-13 13:46:47 -0700473 Class* X = class_linker_->FindClass("LX;", class_loader);
474 Class* Y = class_linker_->FindClass("LY;", class_loader);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700475 ASSERT_TRUE(X != NULL);
476 ASSERT_TRUE(Y != NULL);
477
Ian Rogers50b35e22012-10-04 10:09:15 -0700478 SirtRef<Object> x(soa.Self(), X->AllocObject(soa.Self()));
479 SirtRef<Object> y(soa.Self(), Y->AllocObject(soa.Self()));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700480 ASSERT_TRUE(x.get() != NULL);
481 ASSERT_TRUE(y.get() != NULL);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700482
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700483 EXPECT_TRUE(x->InstanceOf(X));
484 EXPECT_FALSE(x->InstanceOf(Y));
485 EXPECT_TRUE(y->InstanceOf(X));
486 EXPECT_TRUE(y->InstanceOf(Y));
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700487
Elliott Hughes92f14b22011-10-06 12:29:54 -0700488 Class* java_lang_Class = class_linker_->FindSystemClass("Ljava/lang/Class;");
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700489 Class* Object_array_class = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Elliott Hughes92f14b22011-10-06 12:29:54 -0700490
491 EXPECT_FALSE(java_lang_Class->InstanceOf(Object_array_class));
492 EXPECT_TRUE(Object_array_class->InstanceOf(java_lang_Class));
493
494 // All array classes implement Cloneable and Serializable.
Ian Rogers50b35e22012-10-04 10:09:15 -0700495 Object* array = ObjectArray<Object>::Alloc(soa.Self(), Object_array_class, 1);
Elliott Hughes92f14b22011-10-06 12:29:54 -0700496 Class* java_lang_Cloneable = class_linker_->FindSystemClass("Ljava/lang/Cloneable;");
497 Class* java_io_Serializable = class_linker_->FindSystemClass("Ljava/io/Serializable;");
498 EXPECT_TRUE(array->InstanceOf(java_lang_Cloneable));
499 EXPECT_TRUE(array->InstanceOf(java_io_Serializable));
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700500}
501
502TEST_F(ObjectTest, IsAssignableFrom) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700503 ScopedObjectAccess soa(Thread::Current());
504 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700505 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Mathieu Chartier590fee92013-09-13 13:46:47 -0700506 Class* X = class_linker_->FindClass("LX;", class_loader);
507 Class* Y = class_linker_->FindClass("LY;", class_loader);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700508
509 EXPECT_TRUE(X->IsAssignableFrom(X));
510 EXPECT_TRUE(X->IsAssignableFrom(Y));
511 EXPECT_FALSE(Y->IsAssignableFrom(X));
512 EXPECT_TRUE(Y->IsAssignableFrom(Y));
Ian Rogersd81871c2011-10-03 13:57:23 -0700513
514 // class final String implements CharSequence, ..
515 Class* string = class_linker_->FindSystemClass("Ljava/lang/String;");
516 Class* charseq = class_linker_->FindSystemClass("Ljava/lang/CharSequence;");
517 // Can String be assigned to CharSequence without a cast?
518 EXPECT_TRUE(charseq->IsAssignableFrom(string));
519 // Can CharSequence be assigned to String without a cast?
520 EXPECT_FALSE(string->IsAssignableFrom(charseq));
521
522 // Primitive types are only assignable to themselves
523 const char* prims = "ZBCSIJFD";
524 Class* prim_types[strlen(prims)];
525 for (size_t i = 0; i < strlen(prims); i++) {
526 prim_types[i] = class_linker_->FindPrimitiveClass(prims[i]);
527 }
528 for (size_t i = 0; i < strlen(prims); i++) {
529 for (size_t j = 0; i < strlen(prims); i++) {
530 if (i == j) {
531 EXPECT_TRUE(prim_types[i]->IsAssignableFrom(prim_types[j]));
532 } else {
533 EXPECT_FALSE(prim_types[i]->IsAssignableFrom(prim_types[j]));
534 }
535 }
536 }
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700537}
538
539TEST_F(ObjectTest, IsAssignableFromArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700540 ScopedObjectAccess soa(Thread::Current());
541 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700542 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Mathieu Chartier590fee92013-09-13 13:46:47 -0700543 Class* X = class_linker_->FindClass("LX;", class_loader);
544 Class* Y = class_linker_->FindClass("LY;", class_loader);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700545 ASSERT_TRUE(X != NULL);
546 ASSERT_TRUE(Y != NULL);
547
Mathieu Chartier590fee92013-09-13 13:46:47 -0700548 Class* YA = class_linker_->FindClass("[LY;", class_loader);
549 Class* YAA = class_linker_->FindClass("[[LY;", class_loader);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700550 ASSERT_TRUE(YA != NULL);
551 ASSERT_TRUE(YAA != NULL);
552
Mathieu Chartier590fee92013-09-13 13:46:47 -0700553 Class* XAA = class_linker_->FindClass("[[LX;", class_loader);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700554 ASSERT_TRUE(XAA != NULL);
555
556 Class* O = class_linker_->FindSystemClass("Ljava/lang/Object;");
557 Class* OA = class_linker_->FindSystemClass("[Ljava/lang/Object;");
558 Class* OAA = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
559 Class* OAAA = class_linker_->FindSystemClass("[[[Ljava/lang/Object;");
560 ASSERT_TRUE(O != NULL);
561 ASSERT_TRUE(OA != NULL);
562 ASSERT_TRUE(OAA != NULL);
563 ASSERT_TRUE(OAAA != NULL);
564
565 Class* S = class_linker_->FindSystemClass("Ljava/io/Serializable;");
566 Class* SA = class_linker_->FindSystemClass("[Ljava/io/Serializable;");
567 Class* SAA = class_linker_->FindSystemClass("[[Ljava/io/Serializable;");
568 ASSERT_TRUE(S != NULL);
569 ASSERT_TRUE(SA != NULL);
570 ASSERT_TRUE(SAA != NULL);
571
572 Class* IA = class_linker_->FindSystemClass("[I");
573 ASSERT_TRUE(IA != NULL);
574
575 EXPECT_TRUE(YAA->IsAssignableFrom(YAA)); // identity
576 EXPECT_TRUE(XAA->IsAssignableFrom(YAA)); // element superclass
577 EXPECT_FALSE(YAA->IsAssignableFrom(XAA));
578 EXPECT_FALSE(Y->IsAssignableFrom(YAA));
579 EXPECT_FALSE(YA->IsAssignableFrom(YAA));
580 EXPECT_TRUE(O->IsAssignableFrom(YAA)); // everything is an Object
581 EXPECT_TRUE(OA->IsAssignableFrom(YAA));
582 EXPECT_TRUE(OAA->IsAssignableFrom(YAA));
583 EXPECT_TRUE(S->IsAssignableFrom(YAA)); // all arrays are Serializable
584 EXPECT_TRUE(SA->IsAssignableFrom(YAA));
585 EXPECT_FALSE(SAA->IsAssignableFrom(YAA)); // unless Y was Serializable
586
587 EXPECT_FALSE(IA->IsAssignableFrom(OA));
588 EXPECT_FALSE(OA->IsAssignableFrom(IA));
589 EXPECT_TRUE(O->IsAssignableFrom(IA));
590}
591
Elliott Hughescdf53122011-08-19 15:46:09 -0700592TEST_F(ObjectTest, FindInstanceField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700593 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700594 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700595 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700596 Class* c = s->GetClass();
597 ASSERT_TRUE(c != NULL);
598
599 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700600 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "J") == NULL);
601 EXPECT_TRUE(c->FindInstanceField("count", "J") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700602
603 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700604 EXPECT_TRUE(c->FindDeclaredInstanceField("Count", "I") == NULL);
605 EXPECT_TRUE(c->FindInstanceField("Count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700606
607 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700608 ArtField* f1 = c->FindDeclaredInstanceField("count", "I");
609 ArtField* f2 = c->FindInstanceField("count", "I");
Elliott Hughescdf53122011-08-19 15:46:09 -0700610 EXPECT_TRUE(f1 != NULL);
611 EXPECT_TRUE(f2 != NULL);
612 EXPECT_EQ(f1, f2);
613
614 // TODO: check that s.count == 3.
615
616 // Ensure that we handle superclass fields correctly...
617 c = class_linker_->FindSystemClass("Ljava/lang/StringBuilder;");
618 ASSERT_TRUE(c != NULL);
619 // No StringBuilder.count...
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700620 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700621 // ...but there is an AbstractStringBuilder.count.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700622 EXPECT_TRUE(c->FindInstanceField("count", "I") != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700623}
624
625TEST_F(ObjectTest, FindStaticField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700626 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700627 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700628 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700629 Class* c = s->GetClass();
630 ASSERT_TRUE(c != NULL);
631
632 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700633 EXPECT_TRUE(c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
634 EXPECT_TRUE(c->FindStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700635
636 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700637 EXPECT_TRUE(c->FindDeclaredStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
638 EXPECT_TRUE(c->FindStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700639
640 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700641 ArtField* f1 = c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
642 ArtField* f2 = c->FindStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
Elliott Hughescdf53122011-08-19 15:46:09 -0700643 EXPECT_TRUE(f1 != NULL);
644 EXPECT_TRUE(f2 != NULL);
645 EXPECT_EQ(f1, f2);
646
647 // TODO: test static fields via superclasses.
648 // TODO: test static fields via interfaces.
649 // TODO: test that interfaces trump superclasses.
650}
651
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800652} // namespace mirror
Carl Shapiro894d0fa2011-06-30 14:48:49 -0700653} // namespace art