43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package vm_test
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import (
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"testing"
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)
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func TestArray(t *testing.T) {
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expect(t, `out = [1, 2 * 2, 3 + 3]`, ARR{1, 4, 6})
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expect(t, `out = [1, 2, 3][0]`, 1)
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expect(t, `out = [1, 2, 3][1]`, 2)
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expect(t, `out = [1, 2, 3][2]`, 3)
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expect(t, `i = 0; out = [1, 2, 3][i]`, 1)
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expect(t, `out = [1, 2, 3][1 + 1]`, 3)
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expect(t, `arr = [1, 2, 3]; out = arr[2]`, 3)
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expect(t, `arr = [1, 2, 3]; out = arr[0] + arr[1] + arr[2]`, 6)
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expect(t, `arr = [1, 2, 3]; i = arr[0]; out = arr[i]`, 2)
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expect(t, `out = [1, 2, 3][1+1]`, 3)
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expect(t, `a = 1; out = [1, 2, 3][a+1]`, 3)
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expect(t, `out = [1, 2, 3][:]`, ARR{1, 2, 3})
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expect(t, `out = [1, 2, 3][0:3]`, ARR{1, 2, 3})
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expect(t, `out = [1, 2, 3][1:]`, ARR{2, 3})
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expect(t, `out = [1, 2, 3][1:2]`, ARR{2})
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expect(t, `out = [1, 2, 3][:2]`, ARR{1, 2})
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expect(t, `out = [1, 2, 3][1:1]`, ARR{})
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expect(t, `out = [1, 2, 3][3-2:1+1]`, ARR{2})
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expect(t, `a = 1; out = [1, 2, 3][a-1:a+1]`, ARR{1, 2})
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// array copy-by-reference
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expect(t, `a1 = [1, 2, 3]; a2 = a1; a1[0] = 5; out = a2`, ARR{5, 2, 3})
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expectError(t, `[1, 2, 3][3]`)
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expectError(t, `[1, 2, 3][-1]`)
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expectError(t, `[1, 2, 3][-1:]`)
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expectError(t, `[1, 2, 3][:4]`)
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expectError(t, `[1, 2, 3][-1:3]`)
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expectError(t, `[1, 2, 3][0:4]`)
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expectError(t, `[1, 2, 3][2:1]`)
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}
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