39 lines
1 KiB
Go
39 lines
1 KiB
Go
package x86_test
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import (
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"testing"
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"git.urbach.dev/cli/q/src/cpu"
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"git.urbach.dev/cli/q/src/x86"
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"git.urbach.dev/go/assert"
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)
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func TestNegateRegister(t *testing.T) {
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usagePatterns := []struct {
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Register cpu.Register
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Code []byte
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}{
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{x86.R0, []byte{0x48, 0xF7, 0xD8}},
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{x86.R1, []byte{0x48, 0xF7, 0xD9}},
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{x86.R2, []byte{0x48, 0xF7, 0xDA}},
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{x86.R3, []byte{0x48, 0xF7, 0xDB}},
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{x86.SP, []byte{0x48, 0xF7, 0xDC}},
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{x86.R5, []byte{0x48, 0xF7, 0xDD}},
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{x86.R6, []byte{0x48, 0xF7, 0xDE}},
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{x86.R7, []byte{0x48, 0xF7, 0xDF}},
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{x86.R8, []byte{0x49, 0xF7, 0xD8}},
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{x86.R9, []byte{0x49, 0xF7, 0xD9}},
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{x86.R10, []byte{0x49, 0xF7, 0xDA}},
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{x86.R11, []byte{0x49, 0xF7, 0xDB}},
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{x86.R12, []byte{0x49, 0xF7, 0xDC}},
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{x86.R13, []byte{0x49, 0xF7, 0xDD}},
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{x86.R14, []byte{0x49, 0xF7, 0xDE}},
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{x86.R15, []byte{0x49, 0xF7, 0xDF}},
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}
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for _, pattern := range usagePatterns {
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t.Logf("neg %s", pattern.Register)
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code := x86.NegateRegister(nil, pattern.Register)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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