108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "reference_table.h"
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#include "common_runtime_test.h"
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#include "mirror/array-inl.h"
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#include "mirror/string.h"
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#include "scoped_thread_state_change.h"
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#include "thread-inl.h"
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namespace art {
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class ReferenceTableTest : public CommonRuntimeTest {};
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TEST_F(ReferenceTableTest, Basics) {
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ScopedObjectAccess soa(Thread::Current());
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mirror::Object* o1 = mirror::String::AllocFromModifiedUtf8(soa.Self(), "hello");
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ReferenceTable rt("test", 0, 11);
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// Check dumping the empty table.
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{
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std::ostringstream oss;
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rt.Dump(oss);
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EXPECT_NE(oss.str().find("(empty)"), std::string::npos) << oss.str();
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EXPECT_EQ(0U, rt.Size());
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}
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// Check removal of all NULLs in a empty table is a no-op.
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rt.Remove(NULL);
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EXPECT_EQ(0U, rt.Size());
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// Check removal of all o1 in a empty table is a no-op.
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rt.Remove(o1);
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EXPECT_EQ(0U, rt.Size());
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// Add o1 and check we have 1 element and can dump.
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{
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rt.Add(o1);
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EXPECT_EQ(1U, rt.Size());
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std::ostringstream oss;
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rt.Dump(oss);
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EXPECT_NE(oss.str().find("1 of java.lang.String"), std::string::npos) << oss.str();
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EXPECT_EQ(oss.str().find("short[]"), std::string::npos) << oss.str();
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}
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// Add a second object 10 times and check dumping is sane.
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mirror::Object* o2 = mirror::ShortArray::Alloc(soa.Self(), 0);
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for (size_t i = 0; i < 10; ++i) {
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rt.Add(o2);
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EXPECT_EQ(i + 2, rt.Size());
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std::ostringstream oss;
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rt.Dump(oss);
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EXPECT_NE(oss.str().find(StringPrintf("Last %zd entries (of %zd):",
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i + 2 > 10 ? 10 : i + 2,
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i + 2)),
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std::string::npos) << oss.str();
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EXPECT_NE(oss.str().find("1 of java.lang.String"), std::string::npos) << oss.str();
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if (i == 0) {
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EXPECT_NE(oss.str().find("1 of short[]"), std::string::npos) << oss.str();
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} else {
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EXPECT_NE(oss.str().find(StringPrintf("%zd of short[] (1 unique instances)", i + 1)),
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std::string::npos) << oss.str();
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}
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}
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// Remove o1 (first element).
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{
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rt.Remove(o1);
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EXPECT_EQ(10U, rt.Size());
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std::ostringstream oss;
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rt.Dump(oss);
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EXPECT_EQ(oss.str().find("java.lang.String"), std::string::npos) << oss.str();
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}
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// Remove o2 ten times.
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for (size_t i = 0; i < 10; ++i) {
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rt.Remove(o2);
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EXPECT_EQ(9 - i, rt.Size());
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std::ostringstream oss;
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rt.Dump(oss);
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if (i == 9) {
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EXPECT_EQ(oss.str().find("short[]"), std::string::npos) << oss.str();
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} else if (i == 8) {
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EXPECT_NE(oss.str().find("1 of short[]"), std::string::npos) << oss.str();
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} else {
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EXPECT_NE(oss.str().find(StringPrintf("%zd of short[] (1 unique instances)", 10 - i - 1)),
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std::string::npos) << oss.str();
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}
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}
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}
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} // namespace art
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