59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
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package pass
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import (
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"strings"
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"testing"
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"github.com/mmcloughlin/avo/ir"
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"github.com/mmcloughlin/avo/operand"
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"github.com/mmcloughlin/avo/reg"
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)
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func TestVerifyMemOperands(t *testing.T) {
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i := &ir.Instruction{
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Operands: []operand.Op{
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reg.RAX,
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operand.Mem{
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Base: reg.R10,
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Disp: 42,
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},
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},
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}
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if err := VerifyMemOperands(i); err != nil {
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t.Fatal(err)
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}
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}
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func TestVerifyMemOperandsErrors(t *testing.T) {
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cases := []struct {
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Operands []operand.Op
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ErrorSubstring string
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}{
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{
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Operands: []operand.Op{
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reg.RAX,
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operand.Mem{
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Disp: 42,
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},
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},
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ErrorSubstring: "missing base",
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},
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{
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Operands: []operand.Op{
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operand.Mem{
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Base: reg.EBX,
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Index: reg.R9L,
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},
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reg.ECX,
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},
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ErrorSubstring: "index register with scale 0",
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},
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}
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for _, c := range cases {
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i := &ir.Instruction{Operands: c.Operands}
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if err := VerifyMemOperands(i); err == nil || !strings.Contains(err.Error(), c.ErrorSubstring) {
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t.Errorf("got error %v; expected error to contain %q", err, c.ErrorSubstring)
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}
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}
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}
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