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// Copyright 2015 Google Inc.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package uuid

import (
    "strings"
    "testing"
)

func TestScan(t *testing.T) {
    var stringTest string = "f47ac10b-58cc-0372-8567-0e02b2c3d479"
    var byteTest []byte = Parse(stringTest)
    var badTypeTest int = 6
    var invalidTest string = "f47ac10b-58cc-0372-8567-0e02b2c3d4"
    var invalidByteTest []byte = Parse(invalidTest)

    var uuid UUID
    err := (&uuid).Scan(stringTest)
    if err != nil {
        t.Fatal(err)
    }

    err = (&uuid).Scan(byteTest)
    if err != nil {
        t.Fatal(err)
    }

    err = (&uuid).Scan(badTypeTest)
    if err == nil {
        t.Error("int correctly parsed and shouldn't have")
    }
    if !strings.Contains(err.Error(), "unable to scan type") {
        t.Error("attempting to parse an int returned an incorrect error message")
    }

    err = (&uuid).Scan(invalidTest)
    if err == nil {
        t.Error("invalid uuid was parsed without error")
    }
    if !strings.Contains(err.Error(), "invalid UUID") {
        t.Error("attempting to parse an invalid UUID returned an incorrect error message")
    }

    err = (&uuid).Scan(invalidByteTest)
    if err == nil {
        t.Error("invalid byte uuid was parsed without error")
    }
    if !strings.Contains(err.Error(), "invalid UUID") {
        t.Error("attempting to parse an invalid byte UUID returned an incorrect error message")
    }
}