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58 lines
1.1 KiB
58 lines
1.1 KiB
package vm
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import (
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"bytes"
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"strconv"
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"testing"
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"code.betamike.com/mediocregopher/ginger/gg"
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"github.com/stretchr/testify/assert"
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)
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func TestVM(t *testing.T) {
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tests := []struct {
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src string
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in Value
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exp Value
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expErr string
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}{
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{
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src: `{
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incr = { !out = !add < (1, !in); };
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!out = incr < incr < !in;
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}`,
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in: Value{Value: gg.Number(5)},
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exp: Value{Value: gg.Number(7)},
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},
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{
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src: `{
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!foo = in;
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!out = !foo;
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}`,
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in: Value{Value: gg.Number(1)},
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expErr: "name !foo cannot start with a '!'",
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},
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{
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src: `{foo = bar; !out = foo;}`,
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in: Value{},
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exp: Value{Value: gg.Name("bar")},
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},
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}
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for i, test := range tests {
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t.Run(strconv.Itoa(i), func(t *testing.T) {
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t.Log(test.src)
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val, err := EvaluateSource(
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bytes.NewBufferString(test.src), test.in, GlobalScope,
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)
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if test.expErr != "" {
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assert.Error(t, err)
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assert.Equal(t, test.expErr, err.Error())
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} else {
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assert.NoError(t, err)
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assert.True(t, val.Equal(test.exp), "%v != %v", test.exp, val)
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}
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})
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}
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}
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