46 lines
1016 B
Go
46 lines
1016 B
Go
package arm_test
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import (
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"testing"
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"git.urbach.dev/cli/q/src/arm"
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"git.urbach.dev/cli/q/src/cpu"
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"git.urbach.dev/go/assert"
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)
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func TestCompareRegisterNumber(t *testing.T) {
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usagePatterns := []struct {
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Source cpu.Register
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Number int
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Code uint32
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}{
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{arm.X0, 0, 0xF100001F},
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{arm.X0, 1, 0xF100041F},
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{arm.X0, -1, 0xB100041F},
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{arm.X0, 0x1000, 0xF140041F},
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}
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for _, pattern := range usagePatterns {
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t.Logf("cmp %s, %d", pattern.Source, pattern.Number)
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code, encodable := arm.CompareRegisterNumber(pattern.Source, pattern.Number)
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assert.True(t, encodable)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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func TestCompareRegisterRegister(t *testing.T) {
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usagePatterns := []struct {
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Left cpu.Register
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Right cpu.Register
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Code uint32
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}{
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{arm.X0, arm.X1, 0xEB01001F},
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}
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for _, pattern := range usagePatterns {
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t.Logf("cmp %s, %s", pattern.Left, pattern.Right)
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code := arm.CompareRegisterRegister(pattern.Left, pattern.Right)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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