78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package inst_test
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import (
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"io/ioutil"
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"strings"
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"testing"
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"github.com/mmcloughlin/avo/internal/gen"
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"github.com/mmcloughlin/avo/internal/inst"
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"github.com/mmcloughlin/avo/internal/test"
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)
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func TestHaveInstructions(t *testing.T) {
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n := len(inst.Instructions)
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t.Logf("number of instructions = %d", n)
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if n == 0 {
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t.Fatalf("no instructions")
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}
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}
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func TestOpcodeDupes(t *testing.T) {
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count := map[string]int{}
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for _, i := range inst.Instructions {
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count[i.Opcode]++
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}
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for opcode, n := range count {
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if n > 1 {
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t.Errorf("opcode %s appears %d times", opcode, n)
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}
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}
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}
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func TestInstructionProperties(t *testing.T) {
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for _, i := range inst.Instructions {
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if len(i.Opcode) == 0 {
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t.Errorf("empty opcode")
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}
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if len(i.Forms) == 0 {
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t.Errorf("instruction %s has no forms", i.Opcode)
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}
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}
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}
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func TestAssembles(t *testing.T) {
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g := gen.NewAsmTest(gen.Config{})
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b, err := g.Generate(inst.Instructions)
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if err != nil {
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t.Fatal(err)
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}
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test.Assembles(t, b)
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}
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func TestLookup(t *testing.T) {
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if _, found := inst.Lookup("CPUID"); !found {
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t.Fatalf("missing CPUID")
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}
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if _, found := inst.Lookup(strings.Repeat("XXX", 13)); found {
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t.Fatalf("lookup returns true on an absurd opcode")
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}
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}
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func TestStdLibOpcodes(t *testing.T) {
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t.Skip("currently does not pass")
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b, err := ioutil.ReadFile("testdata/stdlibopcodes.txt")
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if err != nil {
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t.Fatal(err)
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}
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opcodes := strings.Fields(string(b))
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for _, opcode := range opcodes {
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if _, found := inst.Lookup(opcode); !found {
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t.Errorf("missing instruction %s (used in stdlib asm)", opcode)
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}
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}
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}
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