49 lines
812 B
Go
49 lines
812 B
Go
package test
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import "testing"
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import "github.com/firestuff/subcoding/asm"
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import "github.com/firestuff/subcoding/vm"
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func TestRoundTrip(t *testing.T) {
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src := `global_memory_size: 4
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function_memory_size: 4
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instruction_limit: 0
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functions:
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- - [nop]
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- [mov, g0, 1]
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- [add, f0, 5]
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- [mov, g1, -5]
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- [eq, 2, f0]
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- [jmpt, -3]
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- - [add, g0, -1]
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- [cal, +5]
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`
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prog, err := asm.AssembleString(src)
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if err != nil {
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t.Fatal(err)
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}
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state, err := vm.NewState(prog)
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if err != nil {
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t.Fatal(err)
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}
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err = state.Execute()
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if err != nil {
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t.Fatal(err)
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}
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expectGlobalMemory(t, state, 0, 1)
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expectGlobalMemorySigned(t, state, 1, -5)
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dis, err := asm.Disassemble(prog)
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if err != nil {
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t.Fatal(err)
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}
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if dis != src {
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t.Fatalf("Disassembly mismatch: expected=%v actual=%v", src, dis)
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}
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}
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