21 lines
671 B
Go
21 lines
671 B
Go
package runtime_test
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import (
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"testing"
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"github.com/d5/tengo/objects"
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)
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func TestUndefined(t *testing.T) {
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expect(t, `out = undefined`, objects.UndefinedValue)
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expect(t, `out = undefined.a`, objects.UndefinedValue)
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expect(t, `out = undefined[1]`, objects.UndefinedValue)
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expect(t, `out = undefined.a.b`, objects.UndefinedValue)
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expect(t, `out = undefined[1][2]`, objects.UndefinedValue)
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expect(t, `out = undefined ? 1 : 2`, 2)
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expect(t, `out = undefined == undefined`, true)
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expect(t, `out = undefined == 1`, false)
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expect(t, `out = 1 == undefined`, false)
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expect(t, `out = undefined == float([])`, true)
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expect(t, `out = float([]) == undefined`, true)
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}
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