47 lines
701 B
Go
47 lines
701 B
Go
package gen
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import (
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"reflect"
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"testing"
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)
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func TestCross(t *testing.T) {
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x := [][]string{
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{"a", "b", "c"},
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{"1", "2"},
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{"!", "?"},
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}
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expect := [][]string{
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{"a", "1", "!"},
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{"a", "1", "?"},
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{"a", "2", "!"},
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{"a", "2", "?"},
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{"b", "1", "!"},
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{"b", "1", "?"},
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{"b", "2", "!"},
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{"b", "2", "?"},
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{"c", "1", "!"},
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{"c", "1", "?"},
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{"c", "2", "!"},
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{"c", "2", "?"},
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}
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got := cross(x)
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if !reflect.DeepEqual(got, expect) {
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t.Errorf("bad cross product")
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}
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}
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func TestCrossSimple(t *testing.T) {
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x := [][]string{
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{"a", "b"},
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}
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expect := [][]string{
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{"a"},
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{"b"},
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}
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got := cross(x)
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if !reflect.DeepEqual(got, expect) {
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t.Errorf("bad cross product")
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}
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}
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