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