70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package asm
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import (
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"bytes"
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"log"
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"testing"
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"git.defalsify.org/festive/vm"
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)
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func TestParserInit(t *testing.T) {
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var b []byte
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b = vm.NewLine(b, vm.HALT, nil, nil, nil)
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b = vm.NewLine(b, vm.CATCH, []string{"xyzzy"}, []byte{0x02, 0x9a}, []uint8{1})
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b = vm.NewLine(b, vm.LOAD, []string{"foo"}, []byte{42}, nil)
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b = vm.NewLine(b, vm.MOUT, []string{"bar", "barbarbaz"}, nil, nil)
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s, err := vm.ToString(b)
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log.Printf("parsing:\n%s\n", s)
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n, err := Parse(s, nil)
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if err != nil {
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t.Fatal(err)
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}
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if n != 0 {
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t.Fatalf("expected 0 byte write count, got %v", n)
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}
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}
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func TestParserSized(t *testing.T) {
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var b []byte
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b = vm.NewLine(b, vm.LOAD, []string{"foo"}, []byte{42}, nil)
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s, err := vm.ToString(b)
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log.Printf("parsing:\n%s\n", s)
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r := bytes.NewBuffer(nil)
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n, err := Parse(s, r)
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if err != nil {
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t.Fatal(err)
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}
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if n != 8 {
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t.Fatalf("expected 8 byte write count, got %v", n)
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}
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rb := r.Bytes()
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if !bytes.Equal(rb, []byte{0x00, vm.LOAD, 0x03, 0x66, 0x6f, 0x6f, 0x01, 0x2a}) {
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t.Fatalf("expected 0x00%x012a, got %v", vm.LOAD, rb)
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}
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}
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func TestParseDisplay(t *testing.T) {
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var b []byte
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b = vm.NewLine(b, vm.MOUT, []string{"foo", "baz ba zbaz"}, nil, nil)
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s, err := vm.ToString(b)
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log.Printf("parsing:\n%s\n", s)
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r := bytes.NewBuffer(nil)
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n, err := Parse(s, r)
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if err != nil {
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t.Fatal(err)
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}
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if n != 18 {
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t.Fatalf("expected 18 byte write count, got %v", n)
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}
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rb := r.Bytes()
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expect := []byte{0x00, vm.MOUT, 0x03, 0x66, 0x6f, 0x6f, 0x0b, 0x62, 0x61, 0x7a, 0x20, 0x62, 0x61, 0x20, 0x7a, 0x62, 0x61, 0x7a}
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if !bytes.Equal(rb, expect) {
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t.Fatalf("expected %x, got %x", expect, rb)
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}
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}
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