1package pgtype_test
2
3import (
4	"reflect"
5	"testing"
6
7	"github.com/jackc/pgtype"
8	"github.com/jackc/pgtype/testutil"
9)
10
11func TestFloat4Transcode(t *testing.T) {
12	testutil.TestSuccessfulTranscode(t, "float4", []interface{}{
13		&pgtype.Float4{Float: -1, Status: pgtype.Present},
14		&pgtype.Float4{Float: 0, Status: pgtype.Present},
15		&pgtype.Float4{Float: 0.00001, Status: pgtype.Present},
16		&pgtype.Float4{Float: 1, Status: pgtype.Present},
17		&pgtype.Float4{Float: 9999.99, Status: pgtype.Present},
18		&pgtype.Float4{Float: 0, Status: pgtype.Null},
19	})
20}
21
22func TestFloat4Set(t *testing.T) {
23	successfulTests := []struct {
24		source interface{}
25		result pgtype.Float4
26	}{
27		{source: float32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
28		{source: float64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
29		{source: int8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
30		{source: int16(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
31		{source: int32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
32		{source: int64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
33		{source: int8(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
34		{source: int16(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
35		{source: int32(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
36		{source: int64(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
37		{source: uint8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
38		{source: uint16(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
39		{source: uint32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
40		{source: uint64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
41		{source: "1", result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
42		{source: _int8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
43	}
44
45	for i, tt := range successfulTests {
46		var r pgtype.Float4
47		err := r.Set(tt.source)
48		if err != nil {
49			t.Errorf("%d: %v", i, err)
50		}
51
52		if r != tt.result {
53			t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
54		}
55	}
56}
57
58func TestFloat4AssignTo(t *testing.T) {
59	var i8 int8
60	var i16 int16
61	var i32 int32
62	var i64 int64
63	var i int
64	var ui8 uint8
65	var ui16 uint16
66	var ui32 uint32
67	var ui64 uint64
68	var ui uint
69	var pi8 *int8
70	var _i8 _int8
71	var _pi8 *_int8
72	var f32 float32
73	var f64 float64
74	var pf32 *float32
75	var pf64 *float64
76
77	simpleTests := []struct {
78		src      pgtype.Float4
79		dst      interface{}
80		expected interface{}
81	}{
82		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &f32, expected: float32(42)},
83		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &f64, expected: float64(42)},
84		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i16, expected: int16(42)},
85		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i32, expected: int32(42)},
86		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i64, expected: int64(42)},
87		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i, expected: int(42)},
88		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui8, expected: uint8(42)},
89		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui16, expected: uint16(42)},
90		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui32, expected: uint32(42)},
91		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui64, expected: uint64(42)},
92		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui, expected: uint(42)},
93		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &_i8, expected: _int8(42)},
94		{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &pi8, expected: ((*int8)(nil))},
95		{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &_pi8, expected: ((*_int8)(nil))},
96	}
97
98	for i, tt := range simpleTests {
99		err := tt.src.AssignTo(tt.dst)
100		if err != nil {
101			t.Errorf("%d: %v", i, err)
102		}
103
104		if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
105			t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
106		}
107	}
108
109	pointerAllocTests := []struct {
110		src      pgtype.Float4
111		dst      interface{}
112		expected interface{}
113	}{
114		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &pf32, expected: float32(42)},
115		{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &pf64, expected: float64(42)},
116	}
117
118	for i, tt := range pointerAllocTests {
119		err := tt.src.AssignTo(tt.dst)
120		if err != nil {
121			t.Errorf("%d: %v", i, err)
122		}
123
124		if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
125			t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
126		}
127	}
128
129	errorTests := []struct {
130		src pgtype.Float4
131		dst interface{}
132	}{
133		{src: pgtype.Float4{Float: 150, Status: pgtype.Present}, dst: &i8},
134		{src: pgtype.Float4{Float: 40000, Status: pgtype.Present}, dst: &i16},
135		{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui8},
136		{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui16},
137		{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui32},
138		{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui64},
139		{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui},
140		{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &i32},
141	}
142
143	for i, tt := range errorTests {
144		err := tt.src.AssignTo(tt.dst)
145		if err == nil {
146			t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
147		}
148	}
149}
150