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float4_test.go
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float4_test.go
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package pgtype_test
import (
"reflect"
"testing"
"github.com/jackc/pgtype"
"github.com/jackc/pgtype/testutil"
)
func TestFloat4Transcode(t *testing.T) {
testutil.TestSuccessfulTranscode(t, "float4", []interface{}{
&pgtype.Float4{Float: -1, Status: pgtype.Present},
&pgtype.Float4{Float: 0, Status: pgtype.Present},
&pgtype.Float4{Float: 0.00001, Status: pgtype.Present},
&pgtype.Float4{Float: 1, Status: pgtype.Present},
&pgtype.Float4{Float: 9999.99, Status: pgtype.Present},
&pgtype.Float4{Float: 0, Status: pgtype.Null},
})
}
func TestFloat4Set(t *testing.T) {
successfulTests := []struct {
source interface{}
result pgtype.Float4
}{
{source: float32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: float64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: int8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: int16(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: int32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: int64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: int8(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
{source: int16(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
{source: int32(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
{source: int64(-1), result: pgtype.Float4{Float: -1, Status: pgtype.Present}},
{source: uint8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: uint16(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: uint32(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: uint64(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: "1", result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
{source: _int8(1), result: pgtype.Float4{Float: 1, Status: pgtype.Present}},
}
for i, tt := range successfulTests {
var r pgtype.Float4
err := r.Set(tt.source)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if r != tt.result {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
}
}
}
func TestFloat4AssignTo(t *testing.T) {
type aliasf32 float32
type aliasf64 float64
var i8 int8
var i16 int16
var i32 int32
var i64 int64
var i int
var ui8 uint8
var ui16 uint16
var ui32 uint32
var ui64 uint64
var ui uint
var pi8 *int8
var _i8 _int8
var _pi8 *_int8
var f32 float32
var f64 float64
var pf32 *float32
var pf64 *float64
var a32 aliasf32
var a64 aliasf64
simpleTests := []struct {
src pgtype.Float4
dst interface{}
expected interface{}
}{
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &f32, expected: float32(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &f64, expected: float64(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i16, expected: int16(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i32, expected: int32(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i64, expected: int64(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &i, expected: int(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui8, expected: uint8(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui16, expected: uint16(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui32, expected: uint32(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui64, expected: uint64(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &ui, expected: uint(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &_i8, expected: _int8(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &a32, expected: aliasf32(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &a64, expected: aliasf64(42)},
{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &pi8, expected: ((*int8)(nil))},
{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &_pi8, expected: ((*_int8)(nil))},
}
for i, tt := range simpleTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
pointerAllocTests := []struct {
src pgtype.Float4
dst interface{}
expected interface{}
}{
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &pf32, expected: float32(42)},
{src: pgtype.Float4{Float: 42, Status: pgtype.Present}, dst: &pf64, expected: float64(42)},
}
for i, tt := range pointerAllocTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
errorTests := []struct {
src pgtype.Float4
dst interface{}
}{
{src: pgtype.Float4{Float: 150, Status: pgtype.Present}, dst: &i8},
{src: pgtype.Float4{Float: 40000, Status: pgtype.Present}, dst: &i16},
{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui8},
{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui16},
{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui32},
{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui64},
{src: pgtype.Float4{Float: -1, Status: pgtype.Present}, dst: &ui},
{src: pgtype.Float4{Float: 0, Status: pgtype.Null}, dst: &i32},
}
for i, tt := range errorTests {
err := tt.src.AssignTo(tt.dst)
if err == nil {
t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
}
}
}