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#include <unordered_set>
#include <gtest/gtest.h>
#include "Common/CommonTypes.h"
#include "Core/HW/MMIO.h"
// Tests that the UniqueID function returns a "unique enough" identifier
// number: that is, it is unique in the address ranges we care about.
TEST(UniqueID, UniqueEnough)
{
std::unordered_set<u32> ids;
for (u32 i = 0xCC000000; i < 0xCC010000; ++i)
{
u32 unique_id = MMIO::UniqueID(i);
EXPECT_EQ(ids.end(), ids.find(unique_id));
ids.insert(unique_id);
}
for (u32 i = 0xCD000000; i < 0xCD010000; ++i)
{
u32 unique_id = MMIO::UniqueID(i);
EXPECT_EQ(ids.end(), ids.find(unique_id));
ids.insert(unique_id);
}
}
class MappingTest : public testing::Test
{
protected:
virtual void SetUp()
{
m_mapping = new MMIO::Mapping();
}
virtual void TearDown()
{
delete m_mapping;
}
MMIO::Mapping* m_mapping;
};
TEST_F(MappingTest, ReadConstant)
{
m_mapping->Register(0xCC001234, MMIO::Constant<u8>(0x42), MMIO::Nop<u8>());
m_mapping->Register(0xCC001234, MMIO::Constant<u16>(0x1234), MMIO::Nop<u16>());
m_mapping->Register(0xCC001234, MMIO::Constant<u32>(0xdeadbeef), MMIO::Nop<u32>());
u8 val8; m_mapping->Read(0xCC001234, &val8);
u16 val16; m_mapping->Read(0xCC001234, &val16);
u32 val32; m_mapping->Read(0xCC001234, &val32);
EXPECT_EQ(0x42, val8);
EXPECT_EQ(0x1234, val16);
EXPECT_EQ(0xdeadbeef, val32);
}
TEST_F(MappingTest, ReadWriteDirect)
{
u8 target_8 = 0;
u16 target_16 = 0;
u32 target_32 = 0;
m_mapping->Register(0xCC001234, MMIO::DirectRead<u8>(&target_8), MMIO::DirectWrite<u8>(&target_8));
m_mapping->Register(0xCC001234, MMIO::DirectRead<u16>(&target_16), MMIO::DirectWrite<u16>(&target_16));
m_mapping->Register(0xCC001234, MMIO::DirectRead<u32>(&target_32), MMIO::DirectWrite<u32>(&target_32));
for (int i = 0; i < 100; ++i)
{
u8 val8; m_mapping->Read(0xCC001234, &val8); EXPECT_EQ(i, val8);
u16 val16; m_mapping->Read(0xCC001234, &val16); EXPECT_EQ(i, val16);
u32 val32; m_mapping->Read(0xCC001234, &val32); EXPECT_EQ(i, val32);
val8 += 1; m_mapping->Write(0xCC001234, val8);
val16 += 1; m_mapping->Write(0xCC001234, val16);
val32 += 1; m_mapping->Write(0xCC001234, val32);
}
}
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