blob: 1e610f27841e87e09298535e035c3d907029147d [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
87 EXPECT_EQ(METHOD_CODE_OFFSET, ArtMethod::EntryPointFromCompiledCodeOffset().Int32Value());
buzbeefc9e6fa2012-03-23 15:14:29 -070088}
89
Brian Carlstroma331b3c2011-07-18 17:47:56 -070090TEST_F(ObjectTest, IsInSamePackage) {
Carl Shapiro894d0fa2011-06-30 14:48:49 -070091 // Matches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080092 EXPECT_TRUE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/Class;"));
93 EXPECT_TRUE(Class::IsInSamePackage("LFoo;", "LBar;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070094
95 // Mismatches
Ian Rogers6d4d9fc2011-11-30 16:24:48 -080096 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/io/File;"));
97 EXPECT_FALSE(Class::IsInSamePackage("Ljava/lang/Object;", "Ljava/lang/reflect/Method;"));
Carl Shapiro894d0fa2011-06-30 14:48:49 -070098}
99
Elliott Hughes081be7f2011-09-18 16:50:26 -0700100TEST_F(ObjectTest, Clone) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700101 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700102 SirtRef<ObjectArray<Object> > a1(soa.Self(),
103 class_linker_->AllocObjectArray<Object>(soa.Self(), 256));
Elliott Hughes081be7f2011-09-18 16:50:26 -0700104 size_t s1 = a1->SizeOf();
Ian Rogers50b35e22012-10-04 10:09:15 -0700105 Object* clone = a1->Clone(soa.Self());
Elliott Hughes081be7f2011-09-18 16:50:26 -0700106 EXPECT_EQ(s1, clone->SizeOf());
107 EXPECT_TRUE(clone->GetClass() == a1->GetClass());
108}
109
Brian Carlstrom578bbdc2011-07-21 14:07:47 -0700110TEST_F(ObjectTest, AllocObjectArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700111 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700112 SirtRef<ObjectArray<Object> > oa(soa.Self(),
113 class_linker_->AllocObjectArray<Object>(soa.Self(), 2));
Elliott Hughesd8ddfd52011-08-15 14:32:53 -0700114 EXPECT_EQ(2, oa->GetLength());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700115 EXPECT_TRUE(oa->Get(0) == NULL);
116 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700117 oa->Set(0, oa.get());
118 EXPECT_TRUE(oa->Get(0) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700119 EXPECT_TRUE(oa->Get(1) == NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700120 oa->Set(1, oa.get());
121 EXPECT_TRUE(oa->Get(0) == oa.get());
122 EXPECT_TRUE(oa->Get(1) == oa.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700123
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700124 Class* aioobe = class_linker_->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
125
126 EXPECT_TRUE(oa->Get(-1) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700127 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800128 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700129 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700130
131 EXPECT_TRUE(oa->Get(2) == NULL);
Ian Rogers1f539342012-10-03 21:09:42 -0700132 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800133 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700134 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700135
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700136 ASSERT_TRUE(oa->GetClass() != NULL);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800137 ClassHelper oa_ch(oa->GetClass());
Ian Rogersd24e2642012-06-06 21:21:43 -0700138 ASSERT_EQ(2U, oa_ch.NumDirectInterfaces());
139 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/lang/Cloneable;"), oa_ch.GetDirectInterface(0));
140 EXPECT_EQ(class_linker_->FindSystemClass("Ljava/io/Serializable;"), oa_ch.GetDirectInterface(1));
Carl Shapiro0e5d75d2011-07-06 18:28:37 -0700141}
142
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700143TEST_F(ObjectTest, AllocArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700144 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700145 Class* c = class_linker_->FindSystemClass("[I");
Ian Rogers50b35e22012-10-04 10:09:15 -0700146 SirtRef<Array> a(soa.Self(), Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700147 ASSERT_TRUE(c == a->GetClass());
148
149 c = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Ian Rogers50b35e22012-10-04 10:09:15 -0700150 a.reset(Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700151 ASSERT_TRUE(c == a->GetClass());
152
153 c = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
Ian Rogers50b35e22012-10-04 10:09:15 -0700154 a.reset(Array::Alloc(soa.Self(), c, 1));
Elliott Hughes68f4fa02011-08-21 10:46:59 -0700155 ASSERT_TRUE(c == a->GetClass());
156}
157
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700158template<typename ArrayT>
159void TestPrimitiveArray(ClassLinker* cl) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700160 ScopedObjectAccess soa(Thread::Current());
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700161 typedef typename ArrayT::ElementType T;
162
Ian Rogers50b35e22012-10-04 10:09:15 -0700163 ArrayT* a = ArrayT::Alloc(soa.Self(), 2);
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700164 EXPECT_EQ(2, a->GetLength());
165 EXPECT_EQ(0, a->Get(0));
166 EXPECT_EQ(0, a->Get(1));
167 a->Set(0, T(123));
168 EXPECT_EQ(T(123), a->Get(0));
169 EXPECT_EQ(0, a->Get(1));
170 a->Set(1, T(321));
171 EXPECT_EQ(T(123), a->Get(0));
172 EXPECT_EQ(T(321), a->Get(1));
173
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700174 Class* aioobe = cl->FindSystemClass("Ljava/lang/ArrayIndexOutOfBoundsException;");
175
176 EXPECT_EQ(0, a->Get(-1));
Ian Rogers1f539342012-10-03 21:09:42 -0700177 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800178 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700179 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700180
181 EXPECT_EQ(0, a->Get(2));
Ian Rogers1f539342012-10-03 21:09:42 -0700182 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800183 EXPECT_EQ(aioobe, soa.Self()->GetException(NULL)->GetClass());
Ian Rogers1f539342012-10-03 21:09:42 -0700184 soa.Self()->ClearException();
Elliott Hughes710a0cb2011-08-16 14:32:37 -0700185}
186
187TEST_F(ObjectTest, PrimitiveArray_Boolean_Alloc) {
188 TestPrimitiveArray<BooleanArray>(class_linker_);
189}
190TEST_F(ObjectTest, PrimitiveArray_Byte_Alloc) {
191 TestPrimitiveArray<ByteArray>(class_linker_);
192}
193TEST_F(ObjectTest, PrimitiveArray_Char_Alloc) {
194 TestPrimitiveArray<CharArray>(class_linker_);
195}
196TEST_F(ObjectTest, PrimitiveArray_Double_Alloc) {
197 TestPrimitiveArray<DoubleArray>(class_linker_);
198}
199TEST_F(ObjectTest, PrimitiveArray_Float_Alloc) {
200 TestPrimitiveArray<FloatArray>(class_linker_);
201}
202TEST_F(ObjectTest, PrimitiveArray_Int_Alloc) {
203 TestPrimitiveArray<IntArray>(class_linker_);
204}
205TEST_F(ObjectTest, PrimitiveArray_Long_Alloc) {
206 TestPrimitiveArray<LongArray>(class_linker_);
207}
208TEST_F(ObjectTest, PrimitiveArray_Short_Alloc) {
209 TestPrimitiveArray<ShortArray>(class_linker_);
210}
211
Elliott Hughesb408de72011-10-04 14:35:05 -0700212TEST_F(ObjectTest, CheckAndAllocArrayFromCode) {
Ian Rogersb886da82011-09-23 16:27:54 -0700213 // pretend we are trying to call 'new char[3]' from String.toCharArray
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700214 ScopedObjectAccess soa(Thread::Current());
Ian Rogersb886da82011-09-23 16:27:54 -0700215 Class* java_util_Arrays = class_linker_->FindSystemClass("Ljava/util/Arrays;");
Brian Carlstromea46f952013-07-30 01:26:50 -0700216 ArtMethod* sort = java_util_Arrays->FindDirectMethod("sort", "([I)V");
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800217 const DexFile::StringId* string_id = java_lang_dex_file_->FindStringId("[I");
218 ASSERT_TRUE(string_id != NULL);
219 const DexFile::TypeId* type_id = java_lang_dex_file_->FindTypeId(
220 java_lang_dex_file_->GetIndexForStringId(*string_id));
221 ASSERT_TRUE(type_id != NULL);
222 uint32_t type_idx = java_lang_dex_file_->GetIndexForTypeId(*type_id);
Ian Rogers0eb7d7e2012-01-31 21:12:32 -0800223 Object* array = CheckAndAllocArrayFromCode(type_idx, sort, 3, Thread::Current(), false);
Brian Carlstromb63ec392011-08-27 17:38:27 -0700224 EXPECT_TRUE(array->IsArrayInstance());
225 EXPECT_EQ(3, array->AsArray()->GetLength());
226 EXPECT_TRUE(array->GetClass()->IsArrayClass());
227 EXPECT_TRUE(array->GetClass()->GetComponentType()->IsPrimitive());
228}
229
Ian Rogers64b6d142012-10-29 16:34:15 -0700230TEST_F(ObjectTest, CreateMultiArray) {
231 ScopedObjectAccess soa(Thread::Current());
232
233 SirtRef<Class> c(soa.Self(), class_linker_->FindSystemClass("I"));
234 SirtRef<IntArray> dims(soa.Self(), IntArray::Alloc(soa.Self(), 1));
235 dims->Set(0, 1);
236 Array* multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
237 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[I"));
238 EXPECT_EQ(1, multi->GetLength());
239
240 dims->Set(0, -1);
241 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
242 EXPECT_TRUE(soa.Self()->IsExceptionPending());
Ian Rogers62d6c772013-02-27 08:32:07 -0800243 EXPECT_EQ(PrettyDescriptor(soa.Self()->GetException(NULL)->GetClass()),
Ian Rogers64b6d142012-10-29 16:34:15 -0700244 "java.lang.NegativeArraySizeException");
245 soa.Self()->ClearException();
246
247 dims.reset(IntArray::Alloc(soa.Self(), 2));
248 for (int i = 1; i < 20; ++i) {
249 for (int j = 0; j < 20; ++j) {
250 dims->Set(0, i);
251 dims->Set(1, j);
252 multi = Array::CreateMultiArray(soa.Self(), c.get(), dims.get());
253 EXPECT_TRUE(multi->GetClass() == class_linker_->FindSystemClass("[[I"));
254 EXPECT_EQ(i, multi->GetLength());
255 for (int k = 0; k < i; ++k) {
256 Array* outer = multi->AsObjectArray<Array>()->Get(k);
257 EXPECT_TRUE(outer->GetClass() == class_linker_->FindSystemClass("[I"));
258 EXPECT_EQ(j, outer->GetLength());
259 }
260 }
261 }
262}
263
Brian Carlstromb9edb842011-08-28 16:31:06 -0700264TEST_F(ObjectTest, StaticFieldFromCode) {
jeffhaoabcfde32011-09-29 15:05:18 -0700265 // pretend we are trying to access 'Static.s0' from StaticsFromCode.<clinit>
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700266 ScopedObjectAccess soa(Thread::Current());
267 jobject class_loader = LoadDex("StaticsFromCode");
268 const DexFile* dex_file = Runtime::Current()->GetCompileTimeClassPath(class_loader)[0];
Brian Carlstrom848a4b32011-09-04 11:29:27 -0700269 CHECK(dex_file != NULL);
270
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700271 Class* klass =
272 class_linker_->FindClass("LStaticsFromCode;", soa.Decode<ClassLoader*>(class_loader));
Brian Carlstromea46f952013-07-30 01:26:50 -0700273 ArtMethod* clinit = klass->FindDirectMethod("<clinit>", "()V");
Ian Rogers9b1a4f42011-11-14 18:35:10 -0800274 const DexFile::StringId* klass_string_id = dex_file->FindStringId("LStaticsFromCode;");
275 ASSERT_TRUE(klass_string_id != NULL);
276 const DexFile::TypeId* klass_type_id = dex_file->FindTypeId(
277 dex_file->GetIndexForStringId(*klass_string_id));
278 ASSERT_TRUE(klass_type_id != NULL);
279
280 const DexFile::StringId* type_string_id = dex_file->FindStringId("Ljava/lang/Object;");
281 ASSERT_TRUE(type_string_id != NULL);
282 const DexFile::TypeId* type_type_id = dex_file->FindTypeId(
283 dex_file->GetIndexForStringId(*type_string_id));
284 ASSERT_TRUE(type_type_id != NULL);
285
286 const DexFile::StringId* name_str_id = dex_file->FindStringId("s0");
287 ASSERT_TRUE(name_str_id != NULL);
288
289 const DexFile::FieldId* field_id = dex_file->FindFieldId(
290 *klass_type_id, *name_str_id, *type_type_id);
291 ASSERT_TRUE(field_id != NULL);
292 uint32_t field_idx = dex_file->GetIndexForFieldId(*field_id);
293
Brian Carlstromea46f952013-07-30 01:26:50 -0700294 ArtField* field = FindFieldFromCode(field_idx, clinit, Thread::Current(), StaticObjectRead,
295 sizeof(Object*), true);
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700296 Object* s0 = field->GetObj(klass);
Ian Rogers64b6d142012-10-29 16:34:15 -0700297 EXPECT_TRUE(s0 != NULL);
Brian Carlstromb9edb842011-08-28 16:31:06 -0700298
Ian Rogers50b35e22012-10-04 10:09:15 -0700299 SirtRef<CharArray> char_array(soa.Self(), CharArray::Alloc(soa.Self(), 0));
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700300 field->SetObj(field->GetDeclaringClass(), char_array.get());
301 EXPECT_EQ(char_array.get(), field->GetObj(klass));
Brian Carlstromb9edb842011-08-28 16:31:06 -0700302
Ian Rogers2fa6b2e2012-10-17 00:10:17 -0700303 field->SetObj(field->GetDeclaringClass(), NULL);
304 EXPECT_EQ(NULL, field->GetObj(klass));
Brian Carlstrom9f30b382011-08-28 22:41:38 -0700305
Brian Carlstromea46f952013-07-30 01:26:50 -0700306 // TODO: more exhaustive tests of all 6 cases of ArtField::*FromCode
Brian Carlstromb9edb842011-08-28 16:31:06 -0700307}
308
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700309TEST_F(ObjectTest, String) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700310 ScopedObjectAccess soa(Thread::Current());
Brian Carlstrom0b138b22011-07-27 15:19:17 -0700311 // Test the empty string.
312 AssertString(0, "", "", 0);
313
314 // Test one-byte characters.
315 AssertString(1, " ", "\x00\x20", 0x20);
316 AssertString(1, "", "\x00\x00", 0);
317 AssertString(1, "\x7f", "\x00\x7f", 0x7f);
318 AssertString(2, "hi", "\x00\x68\x00\x69", (31 * 0x68) + 0x69);
319
320 // Test two-byte characters.
321 AssertString(1, "\xc2\x80", "\x00\x80", 0x80);
322 AssertString(1, "\xd9\xa6", "\x06\x66", 0x0666);
323 AssertString(1, "\xdf\xbf", "\x07\xff", 0x07ff);
324 AssertString(3, "h\xd9\xa6i", "\x00\x68\x06\x66\x00\x69", (31 * ((31 * 0x68) + 0x0666)) + 0x69);
325
326 // Test three-byte characters.
327 AssertString(1, "\xe0\xa0\x80", "\x08\x00", 0x0800);
328 AssertString(1, "\xe1\x88\xb4", "\x12\x34", 0x1234);
329 AssertString(1, "\xef\xbf\xbf", "\xff\xff", 0xffff);
330 AssertString(3, "h\xe1\x88\xb4i", "\x00\x68\x12\x34\x00\x69", (31 * ((31 * 0x68) + 0x1234)) + 0x69);
331}
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400332
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700333TEST_F(ObjectTest, StringEqualsUtf8) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700334 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700335 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700336 EXPECT_TRUE(string->Equals("android"));
337 EXPECT_FALSE(string->Equals("Android"));
338 EXPECT_FALSE(string->Equals("ANDROID"));
339 EXPECT_FALSE(string->Equals(""));
340 EXPECT_FALSE(string->Equals("and"));
341 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsonf7e85a52011-08-01 18:45:58 -0700342
Ian Rogers50b35e22012-10-04 10:09:15 -0700343 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700344 EXPECT_TRUE(empty->Equals(""));
345 EXPECT_FALSE(empty->Equals("a"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400346}
347
348TEST_F(ObjectTest, StringEquals) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700349 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700350 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
351 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700352 EXPECT_TRUE(string->Equals(string_2.get()));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700353 EXPECT_FALSE(string->Equals("Android"));
354 EXPECT_FALSE(string->Equals("ANDROID"));
355 EXPECT_FALSE(string->Equals(""));
356 EXPECT_FALSE(string->Equals("and"));
357 EXPECT_FALSE(string->Equals("androids"));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400358
Ian Rogers50b35e22012-10-04 10:09:15 -0700359 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700360 EXPECT_TRUE(empty->Equals(""));
361 EXPECT_FALSE(empty->Equals("a"));
362}
363
Ian Rogers64b6d142012-10-29 16:34:15 -0700364TEST_F(ObjectTest, StringCompareTo) {
365 ScopedObjectAccess soa(Thread::Current());
366 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
367 SirtRef<String> string_2(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
368 SirtRef<String> string_3(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "Android"));
369 SirtRef<String> string_4(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "and"));
370 SirtRef<String> string_5(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
371 EXPECT_EQ(0, string->CompareTo(string_2.get()));
372 EXPECT_LT(0, string->CompareTo(string_3.get()));
373 EXPECT_GT(0, string_3->CompareTo(string.get()));
374 EXPECT_LT(0, string->CompareTo(string_4.get()));
375 EXPECT_GT(0, string_4->CompareTo(string.get()));
376 EXPECT_LT(0, string->CompareTo(string_5.get()));
377 EXPECT_GT(0, string_5->CompareTo(string.get()));
378}
379
jeffhao0ce13152012-03-27 19:45:50 -0700380TEST_F(ObjectTest, StringLength) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700381 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700382 SirtRef<String> string(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "android"));
jeffhao0ce13152012-03-27 19:45:50 -0700383 EXPECT_EQ(string->GetLength(), 7);
384 EXPECT_EQ(string->GetUtfLength(), 7);
385
386 string->SetOffset(2);
387 string->SetCount(5);
388 EXPECT_TRUE(string->Equals("droid"));
389 EXPECT_EQ(string->GetLength(), 5);
390 EXPECT_EQ(string->GetUtfLength(), 5);
391}
392
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700393TEST_F(ObjectTest, DescriptorCompare) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700394 ScopedObjectAccess soa(Thread::Current());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700395 ClassLinker* linker = class_linker_;
396
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700397 jobject jclass_loader_1 = LoadDex("ProtoCompare");
398 jobject jclass_loader_2 = LoadDex("ProtoCompare2");
Ian Rogers1f539342012-10-03 21:09:42 -0700399 SirtRef<ClassLoader> class_loader_1(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_1));
400 SirtRef<ClassLoader> class_loader_2(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader_2));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700401
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700402 Class* klass1 = linker->FindClass("LProtoCompare;", class_loader_1.get());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700403 ASSERT_TRUE(klass1 != NULL);
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700404 Class* klass2 = linker->FindClass("LProtoCompare2;", class_loader_2.get());
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700405 ASSERT_TRUE(klass2 != NULL);
406
Brian Carlstromea46f952013-07-30 01:26:50 -0700407 ArtMethod* m1_1 = klass1->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800408 MethodHelper mh(m1_1);
409 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700410 ArtMethod* m2_1 = klass1->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800411 mh.ChangeMethod(m2_1);
412 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700413 ArtMethod* m3_1 = klass1->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800414 mh.ChangeMethod(m3_1);
415 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700416 ArtMethod* m4_1 = klass1->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800417 mh.ChangeMethod(m4_1);
418 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700419
Brian Carlstromea46f952013-07-30 01:26:50 -0700420 ArtMethod* m1_2 = klass2->GetVirtualMethod(0);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800421 mh.ChangeMethod(m1_2);
422 EXPECT_STREQ(mh.GetName(), "m1");
Brian Carlstromea46f952013-07-30 01:26:50 -0700423 ArtMethod* m2_2 = klass2->GetVirtualMethod(1);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800424 mh.ChangeMethod(m2_2);
425 EXPECT_STREQ(mh.GetName(), "m2");
Brian Carlstromea46f952013-07-30 01:26:50 -0700426 ArtMethod* m3_2 = klass2->GetVirtualMethod(2);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800427 mh.ChangeMethod(m3_2);
428 EXPECT_STREQ(mh.GetName(), "m3");
Brian Carlstromea46f952013-07-30 01:26:50 -0700429 ArtMethod* m4_2 = klass2->GetVirtualMethod(3);
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800430 mh.ChangeMethod(m4_2);
431 EXPECT_STREQ(mh.GetName(), "m4");
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700432
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800433 mh.ChangeMethod(m1_1);
434 MethodHelper mh2(m1_2);
435 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
436 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700437
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800438 mh.ChangeMethod(m2_1);
439 mh2.ChangeMethod(m2_2);
440 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
441 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700442
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800443 mh.ChangeMethod(m3_1);
444 mh2.ChangeMethod(m3_2);
445 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
446 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Carl Shapiro8860c0e2011-08-04 17:36:16 -0700447
Ian Rogers6d4d9fc2011-11-30 16:24:48 -0800448 mh.ChangeMethod(m4_1);
449 mh2.ChangeMethod(m4_2);
450 EXPECT_TRUE(mh.HasSameNameAndSignature(&mh2));
451 EXPECT_TRUE(mh2.HasSameNameAndSignature(&mh));
Jesse Wilsoncbe9fc02011-07-29 18:59:50 -0400452}
453
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700454TEST_F(ObjectTest, StringHashCode) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700455 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700456 SirtRef<String> empty(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), ""));
457 SirtRef<String> A(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "A"));
458 SirtRef<String> ABC(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700459
460 EXPECT_EQ(0, empty->GetHashCode());
461 EXPECT_EQ(65, A->GetHashCode());
462 EXPECT_EQ(64578, ABC->GetHashCode());
Jesse Wilsonfd687c52011-08-04 19:27:35 -0700463}
464
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700465TEST_F(ObjectTest, InstanceOf) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700466 ScopedObjectAccess soa(Thread::Current());
467 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700468 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700469
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700470 Class* X = class_linker_->FindClass("LX;", class_loader.get());
471 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700472 ASSERT_TRUE(X != NULL);
473 ASSERT_TRUE(Y != NULL);
474
Ian Rogers50b35e22012-10-04 10:09:15 -0700475 SirtRef<Object> x(soa.Self(), X->AllocObject(soa.Self()));
476 SirtRef<Object> y(soa.Self(), Y->AllocObject(soa.Self()));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700477 ASSERT_TRUE(x.get() != NULL);
478 ASSERT_TRUE(y.get() != NULL);
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700479
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700480 EXPECT_TRUE(x->InstanceOf(X));
481 EXPECT_FALSE(x->InstanceOf(Y));
482 EXPECT_TRUE(y->InstanceOf(X));
483 EXPECT_TRUE(y->InstanceOf(Y));
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700484
Elliott Hughes92f14b22011-10-06 12:29:54 -0700485 Class* java_lang_Class = class_linker_->FindSystemClass("Ljava/lang/Class;");
Brian Carlstrom5b8e4c82011-09-18 01:38:59 -0700486 Class* Object_array_class = class_linker_->FindSystemClass("[Ljava/lang/Object;");
Elliott Hughes92f14b22011-10-06 12:29:54 -0700487
488 EXPECT_FALSE(java_lang_Class->InstanceOf(Object_array_class));
489 EXPECT_TRUE(Object_array_class->InstanceOf(java_lang_Class));
490
491 // All array classes implement Cloneable and Serializable.
Ian Rogers50b35e22012-10-04 10:09:15 -0700492 Object* array = ObjectArray<Object>::Alloc(soa.Self(), Object_array_class, 1);
Elliott Hughes92f14b22011-10-06 12:29:54 -0700493 Class* java_lang_Cloneable = class_linker_->FindSystemClass("Ljava/lang/Cloneable;");
494 Class* java_io_Serializable = class_linker_->FindSystemClass("Ljava/io/Serializable;");
495 EXPECT_TRUE(array->InstanceOf(java_lang_Cloneable));
496 EXPECT_TRUE(array->InstanceOf(java_io_Serializable));
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700497}
498
499TEST_F(ObjectTest, IsAssignableFrom) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700500 ScopedObjectAccess soa(Thread::Current());
501 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700502 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700503 Class* X = class_linker_->FindClass("LX;", class_loader.get());
504 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700505
506 EXPECT_TRUE(X->IsAssignableFrom(X));
507 EXPECT_TRUE(X->IsAssignableFrom(Y));
508 EXPECT_FALSE(Y->IsAssignableFrom(X));
509 EXPECT_TRUE(Y->IsAssignableFrom(Y));
Ian Rogersd81871c2011-10-03 13:57:23 -0700510
511 // class final String implements CharSequence, ..
512 Class* string = class_linker_->FindSystemClass("Ljava/lang/String;");
513 Class* charseq = class_linker_->FindSystemClass("Ljava/lang/CharSequence;");
514 // Can String be assigned to CharSequence without a cast?
515 EXPECT_TRUE(charseq->IsAssignableFrom(string));
516 // Can CharSequence be assigned to String without a cast?
517 EXPECT_FALSE(string->IsAssignableFrom(charseq));
518
519 // Primitive types are only assignable to themselves
520 const char* prims = "ZBCSIJFD";
521 Class* prim_types[strlen(prims)];
522 for (size_t i = 0; i < strlen(prims); i++) {
523 prim_types[i] = class_linker_->FindPrimitiveClass(prims[i]);
524 }
525 for (size_t i = 0; i < strlen(prims); i++) {
526 for (size_t j = 0; i < strlen(prims); i++) {
527 if (i == j) {
528 EXPECT_TRUE(prim_types[i]->IsAssignableFrom(prim_types[j]));
529 } else {
530 EXPECT_FALSE(prim_types[i]->IsAssignableFrom(prim_types[j]));
531 }
532 }
533 }
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700534}
535
536TEST_F(ObjectTest, IsAssignableFromArray) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700537 ScopedObjectAccess soa(Thread::Current());
538 jobject jclass_loader = LoadDex("XandY");
Ian Rogers1f539342012-10-03 21:09:42 -0700539 SirtRef<ClassLoader> class_loader(soa.Self(), soa.Decode<ClassLoader*>(jclass_loader));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700540 Class* X = class_linker_->FindClass("LX;", class_loader.get());
541 Class* Y = class_linker_->FindClass("LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700542 ASSERT_TRUE(X != NULL);
543 ASSERT_TRUE(Y != NULL);
544
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700545 Class* YA = class_linker_->FindClass("[LY;", class_loader.get());
546 Class* YAA = class_linker_->FindClass("[[LY;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700547 ASSERT_TRUE(YA != NULL);
548 ASSERT_TRUE(YAA != NULL);
549
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700550 Class* XAA = class_linker_->FindClass("[[LX;", class_loader.get());
Brian Carlstromf7ed11a2011-08-09 17:55:51 -0700551 ASSERT_TRUE(XAA != NULL);
552
553 Class* O = class_linker_->FindSystemClass("Ljava/lang/Object;");
554 Class* OA = class_linker_->FindSystemClass("[Ljava/lang/Object;");
555 Class* OAA = class_linker_->FindSystemClass("[[Ljava/lang/Object;");
556 Class* OAAA = class_linker_->FindSystemClass("[[[Ljava/lang/Object;");
557 ASSERT_TRUE(O != NULL);
558 ASSERT_TRUE(OA != NULL);
559 ASSERT_TRUE(OAA != NULL);
560 ASSERT_TRUE(OAAA != NULL);
561
562 Class* S = class_linker_->FindSystemClass("Ljava/io/Serializable;");
563 Class* SA = class_linker_->FindSystemClass("[Ljava/io/Serializable;");
564 Class* SAA = class_linker_->FindSystemClass("[[Ljava/io/Serializable;");
565 ASSERT_TRUE(S != NULL);
566 ASSERT_TRUE(SA != NULL);
567 ASSERT_TRUE(SAA != NULL);
568
569 Class* IA = class_linker_->FindSystemClass("[I");
570 ASSERT_TRUE(IA != NULL);
571
572 EXPECT_TRUE(YAA->IsAssignableFrom(YAA)); // identity
573 EXPECT_TRUE(XAA->IsAssignableFrom(YAA)); // element superclass
574 EXPECT_FALSE(YAA->IsAssignableFrom(XAA));
575 EXPECT_FALSE(Y->IsAssignableFrom(YAA));
576 EXPECT_FALSE(YA->IsAssignableFrom(YAA));
577 EXPECT_TRUE(O->IsAssignableFrom(YAA)); // everything is an Object
578 EXPECT_TRUE(OA->IsAssignableFrom(YAA));
579 EXPECT_TRUE(OAA->IsAssignableFrom(YAA));
580 EXPECT_TRUE(S->IsAssignableFrom(YAA)); // all arrays are Serializable
581 EXPECT_TRUE(SA->IsAssignableFrom(YAA));
582 EXPECT_FALSE(SAA->IsAssignableFrom(YAA)); // unless Y was Serializable
583
584 EXPECT_FALSE(IA->IsAssignableFrom(OA));
585 EXPECT_FALSE(OA->IsAssignableFrom(IA));
586 EXPECT_TRUE(O->IsAssignableFrom(IA));
587}
588
Elliott Hughescdf53122011-08-19 15:46:09 -0700589TEST_F(ObjectTest, FindInstanceField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700590 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700591 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700592 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700593 Class* c = s->GetClass();
594 ASSERT_TRUE(c != NULL);
595
596 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700597 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "J") == NULL);
598 EXPECT_TRUE(c->FindInstanceField("count", "J") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700599
600 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700601 EXPECT_TRUE(c->FindDeclaredInstanceField("Count", "I") == NULL);
602 EXPECT_TRUE(c->FindInstanceField("Count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700603
604 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700605 ArtField* f1 = c->FindDeclaredInstanceField("count", "I");
606 ArtField* f2 = c->FindInstanceField("count", "I");
Elliott Hughescdf53122011-08-19 15:46:09 -0700607 EXPECT_TRUE(f1 != NULL);
608 EXPECT_TRUE(f2 != NULL);
609 EXPECT_EQ(f1, f2);
610
611 // TODO: check that s.count == 3.
612
613 // Ensure that we handle superclass fields correctly...
614 c = class_linker_->FindSystemClass("Ljava/lang/StringBuilder;");
615 ASSERT_TRUE(c != NULL);
616 // No StringBuilder.count...
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700617 EXPECT_TRUE(c->FindDeclaredInstanceField("count", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700618 // ...but there is an AbstractStringBuilder.count.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700619 EXPECT_TRUE(c->FindInstanceField("count", "I") != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700620}
621
622TEST_F(ObjectTest, FindStaticField) {
Ian Rogers00f7d0e2012-07-19 15:28:27 -0700623 ScopedObjectAccess soa(Thread::Current());
Ian Rogers50b35e22012-10-04 10:09:15 -0700624 SirtRef<String> s(soa.Self(), String::AllocFromModifiedUtf8(soa.Self(), "ABC"));
Brian Carlstrom40381fb2011-10-19 14:13:40 -0700625 ASSERT_TRUE(s.get() != NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700626 Class* c = s->GetClass();
627 ASSERT_TRUE(c != NULL);
628
629 // Wrong type.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700630 EXPECT_TRUE(c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
631 EXPECT_TRUE(c->FindStaticField("CASE_INSENSITIVE_ORDER", "I") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700632
633 // Wrong name.
Brian Carlstrom6b4ef022011-10-23 14:59:04 -0700634 EXPECT_TRUE(c->FindDeclaredStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
635 EXPECT_TRUE(c->FindStaticField("cASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;") == NULL);
Elliott Hughescdf53122011-08-19 15:46:09 -0700636
637 // Right name and type.
Brian Carlstromea46f952013-07-30 01:26:50 -0700638 ArtField* f1 = c->FindDeclaredStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
639 ArtField* f2 = c->FindStaticField("CASE_INSENSITIVE_ORDER", "Ljava/util/Comparator;");
Elliott Hughescdf53122011-08-19 15:46:09 -0700640 EXPECT_TRUE(f1 != NULL);
641 EXPECT_TRUE(f2 != NULL);
642 EXPECT_EQ(f1, f2);
643
644 // TODO: test static fields via superclasses.
645 // TODO: test static fields via interfaces.
646 // TODO: test that interfaces trump superclasses.
647}
648
Ian Rogers2dd0e2c2013-01-24 12:42:14 -0800649} // namespace mirror
Carl Shapiro894d0fa2011-06-30 14:48:49 -0700650} // namespace art