cc/cc_test.go

package cc

import (
	"reflect"
	"testing"
)

var lastUniqueElementsTestCases = []struct {
	in  []string
	out []string
}{
	{
		in:  []string{"a"},
		out: []string{"a"},
	},
	{
		in:  []string{"a", "b"},
		out: []string{"a", "b"},
	},
	{
		in:  []string{"a", "a"},
		out: []string{"a"},
	},
	{
		in:  []string{"a", "b", "a"},
		out: []string{"b", "a"},
	},
	{
		in:  []string{"b", "a", "a"},
		out: []string{"b", "a"},
	},
	{
		in:  []string{"a", "a", "b"},
		out: []string{"a", "b"},
	},
	{
		in:  []string{"a", "b", "a", "b"},
		out: []string{"a", "b"},
	},
	{
		in:  []string{"liblog", "libdl", "libc++", "libdl", "libc", "libm"},
		out: []string{"liblog", "libc++", "libdl", "libc", "libm"},
	},
}

func TestLastUniqueElements(t *testing.T) {
	for _, testCase := range lastUniqueElementsTestCases {
		out := lastUniqueElements(testCase.in)
		if !reflect.DeepEqual(out, testCase.out) {
			t.Errorf("incorrect output:")
			t.Errorf("     input: %#v", testCase.in)
			t.Errorf("  expected: %#v", testCase.out)
			t.Errorf("       got: %#v", out)
		}
	}
}