1// Copyright 2011 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package driver
6
7import (
8	"reflect"
9	"testing"
10	"time"
11)
12
13type valueConverterTest struct {
14	c   ValueConverter
15	in  interface{}
16	out interface{}
17	err string
18}
19
20var now = time.Now()
21var answer int64 = 42
22
23type (
24	i  int64
25	f  float64
26	b  bool
27	bs []byte
28	s  string
29	t  time.Time
30	is []int
31)
32
33var valueConverterTests = []valueConverterTest{
34	{Bool, "true", true, ""},
35	{Bool, "True", true, ""},
36	{Bool, []byte("t"), true, ""},
37	{Bool, true, true, ""},
38	{Bool, "1", true, ""},
39	{Bool, 1, true, ""},
40	{Bool, int64(1), true, ""},
41	{Bool, uint16(1), true, ""},
42	{Bool, "false", false, ""},
43	{Bool, false, false, ""},
44	{Bool, "0", false, ""},
45	{Bool, 0, false, ""},
46	{Bool, int64(0), false, ""},
47	{Bool, uint16(0), false, ""},
48	{c: Bool, in: "foo", err: "sql/driver: couldn't convert \"foo\" into type bool"},
49	{c: Bool, in: 2, err: "sql/driver: couldn't convert 2 into type bool"},
50	{DefaultParameterConverter, now, now, ""},
51	{DefaultParameterConverter, (*int64)(nil), nil, ""},
52	{DefaultParameterConverter, &answer, answer, ""},
53	{DefaultParameterConverter, &now, now, ""},
54	{DefaultParameterConverter, i(9), int64(9), ""},
55	{DefaultParameterConverter, f(0.1), float64(0.1), ""},
56	{DefaultParameterConverter, b(true), true, ""},
57	{DefaultParameterConverter, bs{1}, []byte{1}, ""},
58	{DefaultParameterConverter, s("a"), "a", ""},
59	{DefaultParameterConverter, is{1}, nil, "unsupported type driver.is, a slice of int"},
60	{DefaultParameterConverter, dec{exponent: -6}, dec{exponent: -6}, ""},
61}
62
63func TestValueConverters(t *testing.T) {
64	for i, tt := range valueConverterTests {
65		out, err := tt.c.ConvertValue(tt.in)
66		goterr := ""
67		if err != nil {
68			goterr = err.Error()
69		}
70		if goterr != tt.err {
71			t.Errorf("test %d: %T(%T(%v)) error = %q; want error = %q",
72				i, tt.c, tt.in, tt.in, goterr, tt.err)
73		}
74		if tt.err != "" {
75			continue
76		}
77		if !reflect.DeepEqual(out, tt.out) {
78			t.Errorf("test %d: %T(%T(%v)) = %v (%T); want %v (%T)",
79				i, tt.c, tt.in, tt.in, out, out, tt.out, tt.out)
80		}
81	}
82}
83
84type dec struct {
85	form        byte
86	neg         bool
87	coefficient [16]byte
88	exponent    int32
89}
90
91func (d dec) Decompose(buf []byte) (form byte, negative bool, coefficient []byte, exponent int32) {
92	coef := make([]byte, 16)
93	copy(coef, d.coefficient[:])
94	return d.form, d.neg, coef, d.exponent
95}
96