35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
package list
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import (
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"github.com/stretchr/testify/assert"
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"testing"
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)
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func TestReadString(t *testing.T) {
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assert.Equal(t, "()", Empty().String(), "should insert at head")
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}
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func TestReadConj(t *testing.T) {
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var l IList
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assert.Equal(t, "()", Empty().String(), "should insert at head")
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l = New(5)
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assert.Equal(t, "(5)", l.String(), "should insert at head")
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l = Empty().Conj(4)
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assert.Equal(t, "(4)", l.String(), "should insert at head")
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}
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func TestReadFirst(t *testing.T) {
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l := Empty().Conj(5).Conj(6).Conj(7)
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assert.Equal(t, 7, l.First(), "should return first element")
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assert.Equal(t, nil, Empty().First(), "should return nil")
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}
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func TestReadRest(t *testing.T) {
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l := Empty().Conj(5).Conj(6).Conj(7)
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assert.Equal(t, "(6 5)", l.Rest().String(), "should return rest sublist")
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assert.Equal(t, "(5)", l.Rest().Rest().String(), "should return rest sublist")
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assert.Equal(t, "()", l.Rest().Rest().Rest().String(), "should return rest sublist")
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assert.Equal(t, Empty(), Empty().Rest(), "should return rest sublist")
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assert.Equal(t, Empty(), Rest(Empty().Rest()), "should return rest sublist")
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}
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