Files
avo/operand/checks_test.go
2018-11-26 22:14:36 -08:00

70 lines
1.5 KiB
Go

package operand
import (
"reflect"
"runtime"
"testing"
"github.com/mmcloughlin/avo/reg"
"github.com/mmcloughlin/avo"
)
func TestChecks(t *testing.T) {
cases := []struct {
Predicate func(avo.Operand) bool
Operand avo.Operand
Expect bool
}{
// Immediates
{Is1, Imm(1), true},
{Is1, Imm(23), false},
{Is3, Imm(3), true},
{Is3, Imm(23), false},
{IsImm2u, Imm(3), true},
{IsImm2u, Imm(4), false},
{IsImm8, Imm(255), true},
{IsImm8, Imm(256), false},
{IsImm16, Imm((1 << 16) - 1), true},
{IsImm16, Imm(1 << 16), false},
{IsImm32, Imm((1 << 32) - 1), true},
{IsImm32, Imm(1 << 32), false},
{IsImm64, Imm((1 << 64) - 1), true},
// Specific registers
{IsAl, reg.AL, true},
{IsAl, reg.CL, false},
{IsCl, reg.CL, true},
{IsCl, reg.DH, false},
{IsAx, reg.AX, true},
{IsAx, reg.DX, false},
{IsEax, reg.EAX, true},
{IsEax, reg.ECX, false},
{IsRax, reg.RAX, true},
{IsRax, reg.R13, false},
// General-purpose registers
{IsR8, reg.AL, true},
{IsR8, reg.CH, true},
{IsR8, reg.EAX, false},
{IsR16, reg.DX, true},
{IsR16, reg.R10W, true},
{IsR16, reg.R10B, false},
{IsR32, reg.EBP, true},
{IsR32, reg.R14L, true},
{IsR32, reg.R8, false},
{IsR64, reg.RDX, true},
{IsR64, reg.R10, true},
{IsR64, reg.EBX, false},
}
for _, c := range cases {
if c.Predicate(c.Operand) != c.Expect {
t.Errorf("%s( %#v ) != %v", funcname(c.Predicate), c.Operand, c.Expect)
}
}
}
func funcname(f interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
}