Function TestLen

assert/assertions_test.go:2185–2231

(t *testing.T)

}

func TestLen(t *testing.T) {
	t.Parallel()

	mockT := new(testing.T)

	False(t, Len(mockT, nil, 0), "nil does not have length")
	False(t, Len(mockT, 0, 0), "int does not have length")
	False(t, Len(mockT, true, 0), "true does not have length")
	False(t, Len(mockT, false, 0), "false does not have length")
	False(t, Len(mockT, 'A', 0), "Rune does not have length")
	False(t, Len(mockT, struct{}{}, 0), "Struct does not have length")

	ch := make(chan int, 5)
	ch <- 1
	ch <- 2
	ch <- 3

	cases := []struct {
		v               interface{}
		l               int
		expected1234567 string // message when expecting 1234567 items
	}{
		{[]int{1, 2, 3}, 3, `"[1 2 3]" should have 1234567 item(s), but has 3`},
		{[...]int{1, 2, 3}, 3, `"[1 2 3]" should have 1234567 item(s), but has 3`},
		{"ABC", 3, `"ABC" should have 1234567 item(s), but has 3`},
		{map[int]int{1: 2, 2: 4, 3: 6}, 3, `"map[1:2 2:4 3:6]" should have 1234567 item(s), but has 3`},
		{ch, 3, ""},

		{[]int{}, 0, `"[]" should have 1234567 item(s), but has 0`},
		{map[int]int{}, 0, `"map[]" should have 1234567 item(s), but has 0`},
		{make(chan int), 0, ""},

		{[]int(nil), 0, `"[]" should have 1234567 item(s), but has 0`},
		{map[int]int(nil), 0, `"map[]" should have 1234567 item(s), but has 0`},
		{(chan int)(nil), 0, `"<nil>" should have 1234567 item(s), but has 0`},
	}

	for _, c := range cases {
		True(t, Len(mockT, c.v, c.l), "%#v have %d items", c.v, c.l)
		False(t, Len(mockT, c.v, c.l+1), "%#v have %d items", c.v, c.l)
		if c.expected1234567 != "" {
			msgMock := new(mockTestingT)
			Len(msgMock, c.v, 1234567)
			Contains(t, msgMock.errorString(), c.expected1234567)
		}
	}
}

func TestWithinDuration(t *testing.T) {
	t.Parallel()