Function TestInsertBefore

core/data/slice/slice_test.go:122–147

(t *testing.T)

}

func TestInsertBefore(t *testing.T) {
	ctx := log.Testing(t)

	for _, test := range []struct {
		data     []int
		at       int
		val      interface{}
		expected []int
	}{
		// Insertion (with: slice).
		{[]int{1, 2, 3}, 0, []int{9}, []int{9, 1, 2, 3}},
		{[]int{1, 2, 3}, 1, []int{9}, []int{1, 9, 2, 3}},
		{[]int{1, 2, 3}, 2, []int{9}, []int{1, 2, 9, 3}},

		// Insertion (with: element).
		{[]int{1, 2, 3}, 0, 9, []int{9, 1, 2, 3}},
		{[]int{1, 2, 3}, 1, 9, []int{1, 9, 2, 3}},
		{[]int{1, 2, 3}, 2, 9, []int{1, 2, 9, 3}},
	} {
		got := make([]int, len(test.data))
		copy(got, test.data)
		slice.InsertBefore(&got, test.at, test.val)
		assert.For(ctx, "InsertBefore(%v, %v, %v)", test.data, test.at, test.val).
			That(got).DeepEquals(test.expected)
	}
}

func TestAppend(t *testing.T) {
	ctx := log.Testing(t)