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X64EmitterTest: Check bytes instead of disassembly in JMP test

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Check bytes directly to avoid ambiguity in the disassembly between short
and near jumps, which could hypothetically cause the test to pass when
it shouldn't.
This commit is contained in:
Dentomologist
2023-08-05 13:47:11 -07:00
parent dcd5ba6587
commit 4ccac53e9f
1 changed files with 5 additions and 7 deletions
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12
Source/UnitTests/Common/x64EmitterTest.cpp
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@ -297,15 +297,13 @@ TEST_F(x64EmitterTest, POP_Register)
TEST_F(x64EmitterTest, JMP)
{
emitter->NOP(6);
emitter->JMP(code_buffer);
ExpectDisassembly("multibyte nop "
"jmp .-8");
emitter->NOP(1);
emitter->JMP(code_buffer, XEmitter::Jump::Short);
ExpectBytes({/* nop */ 0x90, /* short jmp */ 0xeb, /* offset -3 */ 0xfd});
emitter->NOP(6);
emitter->NOP(1);
emitter->JMP(code_buffer, XEmitter::Jump::Near);
ExpectDisassembly("multibyte nop "
"jmp .-11");
ExpectBytes({/* nop */ 0x90, /* near jmp */ 0xe9, /* offset -6 */ 0xfa, 0xff, 0xff, 0xff});
}
TEST_F(x64EmitterTest, JMPptr_Register)