}
	if !reflect.DeepEqual(m, want) {
		t.Fatalf("ReadMIMEHeader mismatch.\n got: %q\nwant: %q", m, want)
	}
}

// Test that reading a header doesn't overallocate. Issue 58975.
func TestReadMIMEHeaderAllocations(t *testing.T) {
	var totalAlloc uint64
	const count = 200
	for i := 0; i < count; i++ {
		r := reader("A: b\r\n\r\n" + strings.Repeat("\n", 4096))
		var m1, m2 runtime.MemStats
		runtime.ReadMemStats(&m1)