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#include <gtest/gtest.h>
TEST(Empty, Empty)
{
}
int get_op(int8_t *& PC) {
return *(PC++);
}
size_t get_arg(int8_t*& PC, int size) {
switch (size) {
case 0:
return *(PC++);
case 1:
return *(((unsigned short*&)PC)++);
case 2:
return *(((unsigned int*&)PC)++);
case 3:
return *(((size_t*&)PC)++);
}
return 0;
}
TEST(Pointer, byte)
{
int8_t data[] = { 42, 0 };
int8_t* PC = data;
ASSERT_EQ(42, get_op(PC));
ASSERT_EQ(data + 1, PC);
}
TEST(Pointer, int16)
{
int8_t data[] = { 1, 42, 0, 3};
int8_t* PC = data;
get_op(PC);
ASSERT_EQ(42U, get_arg(PC, 1));
ASSERT_EQ(data + 3, PC);
}
TEST(Pointer, int32)
{
int8_t data[] = { 1, 42, 0, 3, 0, 1 };
int8_t* PC = data;
get_op(PC);
ASSERT_EQ(0x0003002aU, get_arg(PC, 2));
ASSERT_EQ(data + 5, PC);
}
TEST(Pointer, int64)
{
int8_t data[] = { 1, 42, 0, 3, 0, 1, 0, 0, 0 };
int8_t* PC = data;
get_op(PC);
ASSERT_EQ(0x010003002aU, get_arg(PC, 3));
ASSERT_EQ(data + 9, PC);
}
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