36 lines
654 B
Go
36 lines
654 B
Go
package vm_test
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import (
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"testing"
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)
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func TestMap(t *testing.T) {
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expect(t, `
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out = {
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one: 10 - 9,
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two: 1 + 1,
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three: 6 / 2
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}`, MAP{
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"one": 1,
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"two": 2,
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"three": 3,
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})
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expect(t, `out = {foo: 5}["foo"]`, 5)
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expect(t, `out = {foo: 5}["bar"]`, undefined())
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expect(t, `key = "foo"; out = {foo: 5}[key]`, 5)
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expect(t, `out = {}["foo"]`, undefined())
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expect(t, `
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m = {
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foo: func(x) {
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return x * 2
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}
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}
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out = m["foo"](2) + m["foo"](3)
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`, 10)
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// map assignment is copy-by-reference
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expect(t, `m1 = {k1: 1, k2: "foo"}; m2 = m1; m1.k1 = 5; out = m2.k1`, 5)
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expect(t, `m1 = {k1: 1, k2: "foo"}; m2 = m1; m2.k1 = 3; out = m1.k1`, 3)
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}
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