137 lines
3.8 KiB
Go
137 lines
3.8 KiB
Go
package tengo_test
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import (
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"strings"
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"testing"
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"time"
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"github.com/d5/tengo"
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"github.com/d5/tengo/internal"
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"github.com/d5/tengo/internal/require"
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)
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func TestInstructions_String(t *testing.T) {
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assertInstructionString(t,
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[][]byte{
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internal.MakeInstruction(internal.OpConstant, 1),
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internal.MakeInstruction(internal.OpConstant, 2),
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internal.MakeInstruction(internal.OpConstant, 65535),
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},
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`0000 CONST 1
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0003 CONST 2
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0006 CONST 65535`)
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assertInstructionString(t,
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[][]byte{
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internal.MakeInstruction(internal.OpBinaryOp, 11),
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internal.MakeInstruction(internal.OpConstant, 2),
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internal.MakeInstruction(internal.OpConstant, 65535),
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},
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`0000 BINARYOP 11
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0002 CONST 2
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0005 CONST 65535`)
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assertInstructionString(t,
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[][]byte{
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internal.MakeInstruction(internal.OpBinaryOp, 11),
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internal.MakeInstruction(internal.OpGetLocal, 1),
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internal.MakeInstruction(internal.OpConstant, 2),
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internal.MakeInstruction(internal.OpConstant, 65535),
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},
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`0000 BINARYOP 11
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0002 GETL 1
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0004 CONST 2
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0007 CONST 65535`)
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}
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func TestMakeInstruction(t *testing.T) {
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makeInstruction(t, []byte{internal.OpConstant, 0, 0},
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internal.OpConstant, 0)
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makeInstruction(t, []byte{internal.OpConstant, 0, 1},
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internal.OpConstant, 1)
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makeInstruction(t, []byte{internal.OpConstant, 255, 254},
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internal.OpConstant, 65534)
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makeInstruction(t, []byte{internal.OpPop}, internal.OpPop)
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makeInstruction(t, []byte{internal.OpTrue}, internal.OpTrue)
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makeInstruction(t, []byte{internal.OpFalse}, internal.OpFalse)
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}
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func TestNumObjects(t *testing.T) {
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testCountObjects(t, &tengo.Array{}, 1)
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testCountObjects(t, &tengo.Array{Value: []tengo.Object{
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&tengo.Int{Value: 1},
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&tengo.Int{Value: 2},
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&tengo.Array{Value: []tengo.Object{
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&tengo.Int{Value: 3},
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&tengo.Int{Value: 4},
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&tengo.Int{Value: 5},
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}},
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}}, 7)
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testCountObjects(t, tengo.TrueValue, 1)
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testCountObjects(t, tengo.FalseValue, 1)
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testCountObjects(t, &tengo.BuiltinFunction{}, 1)
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testCountObjects(t, &tengo.Bytes{Value: []byte("foobar")}, 1)
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testCountObjects(t, &tengo.Char{Value: '가'}, 1)
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testCountObjects(t, &tengo.CompiledFunction{}, 1)
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testCountObjects(t, &tengo.Error{Value: &tengo.Int{Value: 5}}, 2)
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testCountObjects(t, &tengo.Float{Value: 19.84}, 1)
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testCountObjects(t, &tengo.ImmutableArray{Value: []tengo.Object{
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&tengo.Int{Value: 1},
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&tengo.Int{Value: 2},
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&tengo.ImmutableArray{Value: []tengo.Object{
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&tengo.Int{Value: 3},
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&tengo.Int{Value: 4},
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&tengo.Int{Value: 5},
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}},
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}}, 7)
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testCountObjects(t, &tengo.ImmutableMap{
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Value: map[string]tengo.Object{
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"k1": &tengo.Int{Value: 1},
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"k2": &tengo.Int{Value: 2},
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"k3": &tengo.Array{Value: []tengo.Object{
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&tengo.Int{Value: 3},
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&tengo.Int{Value: 4},
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&tengo.Int{Value: 5},
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}},
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}}, 7)
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testCountObjects(t, &tengo.Int{Value: 1984}, 1)
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testCountObjects(t, &tengo.Map{Value: map[string]tengo.Object{
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"k1": &tengo.Int{Value: 1},
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"k2": &tengo.Int{Value: 2},
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"k3": &tengo.Array{Value: []tengo.Object{
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&tengo.Int{Value: 3},
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&tengo.Int{Value: 4},
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&tengo.Int{Value: 5},
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}},
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}}, 7)
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testCountObjects(t, &tengo.String{Value: "foo bar"}, 1)
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testCountObjects(t, &tengo.Time{Value: time.Now()}, 1)
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testCountObjects(t, tengo.UndefinedValue, 1)
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}
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func testCountObjects(t *testing.T, o tengo.Object, expected int) {
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require.Equal(t, expected, tengo.CountObjects(o))
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}
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func assertInstructionString(
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t *testing.T,
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instructions [][]byte,
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expected string,
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) {
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concatted := make([]byte, 0)
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for _, e := range instructions {
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concatted = append(concatted, e...)
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}
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require.Equal(t, expected, strings.Join(
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internal.FormatInstructions(concatted, 0), "\n"))
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}
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func makeInstruction(
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t *testing.T,
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expected []byte,
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opcode internal.Opcode,
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operands ...int,
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) {
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inst := internal.MakeInstruction(opcode, operands...)
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require.Equal(t, expected, inst)
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}
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