func TestString(t *testing.T) {
var np *string
var nnp string = "a"
test(t, "non-string", false, v.String(), 3)
test(t, "basic string", true, v.String(), "")
test(t, "nil", false, v.String(), nil)
test(t, "nil string pointer", false, v.String(), np)
test(t, "string pointer", true, v.String(), &nnp)
test(t, "equals", true, v.String(v.StrIs("abc")), "abc")
test(t, "!equals", false, v.String(v.StrIs("abc")), "abd")
test(t, "minlen1", false, v.String(v.StrMin(3)), "aa")
test(t, "minlen2", true, v.String(v.StrMin(3)), "aaa")
test(t, "minlen3", true, v.String(v.StrMin(3)), "aaaa")
test(t, "maxlen1", true, v.String(v.StrMax(4)), "aaa")
test(t, "maxlen2", true, v.String(v.StrMax(4)), "aaaa")
test(t, "maxlen3", false, v.String(v.StrMax(4)), "aaaaa")
test(t, "regexp1", true, v.String(v.StrRegExp("^.{3}$")), "bbb")
test(t, "regexp2", false, v.String(v.StrRegExp("^.{3}$")), "bbbb")
test(t, "regexp3", false, v.String(v.StrRegExp("[")), "c")
test(t, "combination1", false, v.String(v.StrMin(3), v.StrMax(3)), "cc")
test(t, "combination2", true, v.String(v.StrMin(3), v.StrMax(3)), "ccc")
test(t, "combination1", false, v.String(v.StrMin(3), v.StrMax(3)), "cccc")
}
func TestAnd(t *testing.T) {
test(t, "combination1", true, v.And(), nil)
test(t, "combination2", false, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(3))), "aa")
test(t, "combination3", true, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(3))), "aaa")
test(t, "combination4", false, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(3))), "aaaa")
test(t, "combination5", false, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(4))), "bb")
test(t, "combination6", true, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(4))), "bbb")
test(t, "combination7", true, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(4))), "bbbb")
test(t, "combination8", false, v.And(v.String(v.StrMin(3)), v.String(v.StrMax(4))), "bbbbb")
}