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number_cast_test.go
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package gofn
import (
"math"
"testing"
"github.com/stretchr/testify/assert"
)
func testToSafeInt8[T IntExt | UIntExt](t *testing.T, v T, err error) {
i8, e := ToSafeInt8(v)
assert.Equal(t, e, err)
assert.Equal(t, i8, int8(v))
}
func Test_ToSafeInt8(t *testing.T) {
// int64
testToSafeInt8(t, int64(math.MaxInt64), ErrOverflow)
testToSafeInt8(t, int64(math.MinInt64), ErrOverflow)
testToSafeInt8(t, int64(math.MinInt64)+1, ErrOverflow)
testToSafeInt8(t, int64(math.MinInt8)-1, ErrOverflow)
testToSafeInt8(t, int64(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, int64(math.MaxInt8), nil)
testToSafeInt8(t, int64(math.MinInt8), nil)
testToSafeInt8(t, int64(0), nil)
// uint64
testToSafeInt8(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeInt8(t, uint64(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, uint64(math.MaxInt8), nil)
testToSafeInt8(t, uint64(0), nil)
// int32
testToSafeInt8(t, int32(math.MaxInt32), ErrOverflow)
testToSafeInt8(t, int32(math.MinInt32), ErrOverflow)
testToSafeInt8(t, int32(math.MinInt32)+1, ErrOverflow)
testToSafeInt8(t, int32(math.MinInt8)-1, ErrOverflow)
testToSafeInt8(t, int32(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, int32(math.MaxInt8), nil)
testToSafeInt8(t, int32(math.MinInt8), nil)
testToSafeInt8(t, int32(0), nil)
// uint32
testToSafeInt8(t, uint32(math.MaxUint32), ErrOverflow)
testToSafeInt8(t, uint32(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, uint32(math.MaxInt8), nil)
testToSafeInt8(t, uint32(0), nil)
// int16
testToSafeInt8(t, int16(math.MaxInt16), ErrOverflow)
testToSafeInt8(t, int16(math.MinInt16), ErrOverflow)
testToSafeInt8(t, int16(math.MinInt16)+1, ErrOverflow)
testToSafeInt8(t, int16(math.MinInt8)-1, ErrOverflow)
testToSafeInt8(t, int16(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, int16(math.MaxInt8), nil)
testToSafeInt8(t, int16(math.MinInt8), nil)
testToSafeInt8(t, int16(0), nil)
// uint16
testToSafeInt8(t, uint16(math.MaxUint16), ErrOverflow)
testToSafeInt8(t, uint16(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, uint16(math.MaxInt8), nil)
testToSafeInt8(t, uint16(0), nil)
// int8
testToSafeInt8(t, int8(math.MinInt8), nil)
testToSafeInt8(t, int8(math.MinInt8)+1, nil)
testToSafeInt8(t, int8(math.MaxInt8), nil)
testToSafeInt8(t, int8(math.MinInt8), nil)
testToSafeInt8(t, int8(0), nil)
// uint8
testToSafeInt8(t, uint8(math.MaxUint8), ErrOverflow)
testToSafeInt8(t, uint8(math.MaxInt8)+1, ErrOverflow)
testToSafeInt8(t, uint8(math.MaxInt8), nil)
testToSafeInt8(t, uint8(0), nil)
}
func testToSafeInt16[T IntExt | UIntExt](t *testing.T, v T, err error) {
i16, e := ToSafeInt16(v)
assert.Equal(t, e, err)
assert.Equal(t, i16, int16(v))
}
func Test_ToSafeInt16(t *testing.T) {
// int64
testToSafeInt16(t, int64(math.MaxInt64), ErrOverflow)
testToSafeInt16(t, int64(math.MinInt64), ErrOverflow)
testToSafeInt16(t, int64(math.MinInt64)+1, ErrOverflow)
testToSafeInt16(t, int64(math.MinInt16)-1, ErrOverflow)
testToSafeInt16(t, int64(math.MaxInt16)+1, ErrOverflow)
testToSafeInt16(t, int64(math.MaxInt16), nil)
testToSafeInt16(t, int64(math.MinInt16), nil)
testToSafeInt16(t, int64(0), nil)
// uint64
testToSafeInt16(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeInt16(t, uint64(math.MaxInt16)+1, ErrOverflow)
testToSafeInt16(t, uint64(math.MaxInt16), nil)
testToSafeInt16(t, uint64(0), nil)
// int32
testToSafeInt16(t, int32(math.MaxInt32), ErrOverflow)
testToSafeInt16(t, int32(math.MinInt32), ErrOverflow)
testToSafeInt16(t, int32(math.MinInt32)+1, ErrOverflow)
testToSafeInt16(t, int32(math.MinInt16)-1, ErrOverflow)
testToSafeInt16(t, int32(math.MaxInt16)+1, ErrOverflow)
testToSafeInt16(t, int32(math.MaxInt16), nil)
testToSafeInt16(t, int32(math.MinInt16), nil)
testToSafeInt16(t, int32(0), nil)
// uint32
testToSafeInt16(t, uint32(math.MaxUint32), ErrOverflow)
testToSafeInt16(t, uint32(math.MaxInt16)+1, ErrOverflow)
testToSafeInt16(t, uint32(math.MaxInt16), nil)
testToSafeInt16(t, uint32(0), nil)
// int16
testToSafeInt16(t, int16(math.MaxInt16), nil)
testToSafeInt16(t, int16(math.MinInt16), nil)
testToSafeInt16(t, int16(0), nil)
// uint16
testToSafeInt16(t, uint16(math.MaxUint16), ErrOverflow)
testToSafeInt16(t, uint16(math.MaxInt16), nil)
testToSafeInt16(t, uint16(0), nil)
// int8
testToSafeInt16(t, int8(math.MaxInt8), nil)
testToSafeInt16(t, int8(math.MinInt8), nil)
testToSafeInt16(t, int8(math.MinInt8)+1, nil)
testToSafeInt16(t, int8(0), nil)
// uint8
testToSafeInt16(t, uint8(math.MaxUint8), nil)
testToSafeInt16(t, uint8(math.MaxInt8)+1, nil)
testToSafeInt16(t, uint8(math.MaxInt8), nil)
testToSafeInt16(t, uint8(0), nil)
}
func testToSafeInt32[T IntExt | UIntExt](t *testing.T, v T, err error) {
i32, e := ToSafeInt32(v)
assert.Equal(t, e, err)
assert.Equal(t, i32, int32(v))
}
func Test_ToSafeInt32(t *testing.T) {
// int64
testToSafeInt32(t, int64(math.MaxInt64), ErrOverflow)
testToSafeInt32(t, int64(math.MinInt64), ErrOverflow)
testToSafeInt32(t, int64(math.MinInt64)+1, ErrOverflow)
testToSafeInt32(t, int64(math.MinInt32)-1, ErrOverflow)
testToSafeInt32(t, int64(math.MaxInt32)+1, ErrOverflow)
testToSafeInt32(t, int64(math.MaxInt32), nil)
testToSafeInt32(t, int64(math.MinInt32), nil)
testToSafeInt32(t, int64(0), nil)
// uint64
testToSafeInt32(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeInt32(t, uint64(math.MaxInt32)+1, ErrOverflow)
testToSafeInt32(t, uint64(math.MaxInt32), nil)
testToSafeInt32(t, uint64(0), nil)
// int32
testToSafeInt32(t, int32(math.MaxInt32), nil)
testToSafeInt32(t, int32(math.MinInt32)+1, nil)
testToSafeInt32(t, int32(math.MinInt32), nil)
testToSafeInt32(t, int32(0), nil)
// uint32
testToSafeInt32(t, uint32(math.MaxUint32), ErrOverflow)
testToSafeInt32(t, uint32(math.MaxInt32)+1, ErrOverflow)
testToSafeInt32(t, uint32(math.MaxInt32), nil)
testToSafeInt32(t, uint32(0), nil)
// int16
testToSafeInt32(t, int16(math.MaxInt16), nil)
testToSafeInt32(t, int16(math.MinInt16), nil)
testToSafeInt32(t, int16(0), nil)
// uint16
testToSafeInt32(t, uint16(math.MaxUint16), nil)
testToSafeInt32(t, uint16(math.MaxInt16), nil)
testToSafeInt32(t, uint16(0), nil)
// int8
testToSafeInt32(t, int8(math.MaxInt8), nil)
testToSafeInt32(t, int8(math.MinInt8), nil)
testToSafeInt32(t, int8(math.MinInt8)+1, nil)
testToSafeInt32(t, int8(0), nil)
// uint8
testToSafeInt32(t, uint8(math.MaxUint8), nil)
testToSafeInt32(t, uint8(math.MaxInt8)+1, nil)
testToSafeInt32(t, uint8(math.MaxInt8), nil)
testToSafeInt32(t, uint8(0), nil)
}
func testToSafeInt64[T IntExt | UIntExt](t *testing.T, v T, err error) {
i64, e := ToSafeInt64(v)
assert.Equal(t, e, err)
assert.Equal(t, i64, int64(v))
}
func Test_ToSafeInt64(t *testing.T) {
// int64
testToSafeInt64(t, int64(math.MaxInt64), nil)
testToSafeInt64(t, int64(math.MinInt64), nil)
testToSafeInt64(t, int64(math.MinInt64)+1, nil)
testToSafeInt64(t, int64(0), nil)
// uint64
testToSafeInt64(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeInt64(t, uint64(math.MaxInt64)+1, ErrOverflow)
testToSafeInt64(t, uint64(math.MaxInt64), nil)
testToSafeInt64(t, uint64(0), nil)
// int32
testToSafeInt64(t, int32(math.MaxInt32), nil)
testToSafeInt64(t, int32(math.MinInt32)+1, nil)
testToSafeInt64(t, int32(math.MinInt32), nil)
testToSafeInt64(t, int32(0), nil)
// uint32
testToSafeInt64(t, uint32(math.MaxUint32), nil)
testToSafeInt64(t, uint32(math.MaxInt32)+1, nil)
testToSafeInt64(t, uint32(math.MaxInt32), nil)
testToSafeInt64(t, uint32(0), nil)
// int16
testToSafeInt64(t, int16(math.MaxInt16), nil)
testToSafeInt64(t, int16(math.MinInt16), nil)
testToSafeInt64(t, int16(0), nil)
// uint16
testToSafeInt64(t, uint16(math.MaxUint16), nil)
testToSafeInt64(t, uint16(math.MaxInt16), nil)
testToSafeInt64(t, uint16(0), nil)
// int8
testToSafeInt64(t, int8(math.MaxInt8), nil)
testToSafeInt64(t, int8(math.MinInt8), nil)
testToSafeInt64(t, int8(math.MinInt8)+1, nil)
testToSafeInt64(t, int8(0), nil)
// uint8
testToSafeInt64(t, uint8(math.MaxUint8), nil)
testToSafeInt64(t, uint8(math.MaxInt8)+1, nil)
testToSafeInt64(t, uint8(math.MaxInt8), nil)
testToSafeInt64(t, uint8(0), nil)
}
func testToSafeUint8[T IntExt | UIntExt](t *testing.T, v T, err error) {
i8, e := ToSafeUint8(v)
assert.Equal(t, e, err)
assert.Equal(t, i8, uint8(v))
}
func Test_ToSafeUint8(t *testing.T) {
// int64
testToSafeUint8(t, int64(math.MaxInt64), ErrOverflow)
testToSafeUint8(t, int64(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, int64(math.MinInt64), ErrOverflow)
testToSafeUint8(t, int64(-1), ErrOverflow)
testToSafeUint8(t, int64(math.MaxUint8), nil)
testToSafeUint8(t, int64(0), nil)
// uint64
testToSafeUint8(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeUint8(t, uint64(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, uint64(math.MaxUint8), nil)
testToSafeUint8(t, uint64(0), nil)
// int32
testToSafeUint8(t, int32(math.MaxInt32), ErrOverflow)
testToSafeUint8(t, int32(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, int32(math.MinInt32), ErrOverflow)
testToSafeUint8(t, int32(-1), ErrOverflow)
testToSafeUint8(t, int32(math.MaxUint8), nil)
testToSafeUint8(t, int32(0), nil)
// uint32
testToSafeUint8(t, uint32(math.MaxUint32), ErrOverflow)
testToSafeUint8(t, uint32(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, uint32(math.MaxUint8), nil)
testToSafeUint8(t, uint32(0), nil)
// int16
testToSafeUint8(t, int16(math.MaxInt16), ErrOverflow)
testToSafeUint8(t, int16(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, int16(math.MinInt16), ErrOverflow)
testToSafeUint8(t, int16(-1), ErrOverflow)
testToSafeUint8(t, int16(math.MaxUint8), nil)
testToSafeUint8(t, int16(0), nil)
// uint16
testToSafeUint8(t, uint16(math.MaxUint16), ErrOverflow)
testToSafeUint8(t, uint16(math.MaxUint8)+1, ErrOverflow)
testToSafeUint8(t, uint16(math.MaxUint8), nil)
testToSafeUint8(t, uint16(0), nil)
// int8
testToSafeUint8(t, int8(math.MinInt8), ErrOverflow)
testToSafeUint8(t, int8(-1), ErrOverflow)
testToSafeUint8(t, int8(math.MaxInt8), nil)
testToSafeUint8(t, int8(0), nil)
// uint8
testToSafeUint8(t, uint8(math.MaxUint8), nil)
testToSafeUint8(t, uint8(math.MaxInt8)+1, nil)
testToSafeUint8(t, uint8(0), nil)
}
func testToSafeUint16[T IntExt | UIntExt](t *testing.T, v T, err error) {
i16, e := ToSafeUint16(v)
assert.Equal(t, e, err)
assert.Equal(t, i16, uint16(v))
}
func Test_ToSafeUint16(t *testing.T) {
// int64
testToSafeUint16(t, int64(math.MaxInt64), ErrOverflow)
testToSafeUint16(t, int64(math.MaxUint16)+1, ErrOverflow)
testToSafeUint16(t, int64(math.MinInt64), ErrOverflow)
testToSafeUint16(t, int64(-1), ErrOverflow)
testToSafeUint16(t, int64(math.MaxUint16), nil)
testToSafeUint16(t, int64(0), nil)
// uint64
testToSafeUint16(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeUint16(t, uint64(math.MaxUint16)+1, ErrOverflow)
testToSafeUint16(t, uint64(math.MaxUint16), nil)
testToSafeUint16(t, uint64(0), nil)
// int32
testToSafeUint16(t, int32(math.MaxInt32), ErrOverflow)
testToSafeUint16(t, int32(math.MaxUint16)+1, ErrOverflow)
testToSafeUint16(t, int32(math.MinInt32), ErrOverflow)
testToSafeUint16(t, int32(-1), ErrOverflow)
testToSafeUint16(t, int32(math.MaxUint16), nil)
testToSafeUint16(t, int32(0), nil)
// uint32
testToSafeUint16(t, uint32(math.MaxUint32), ErrOverflow)
testToSafeUint16(t, uint32(math.MaxUint16)+1, ErrOverflow)
testToSafeUint16(t, uint32(math.MaxUint16), nil)
testToSafeUint16(t, uint32(0), nil)
// int16
testToSafeUint16(t, int16(math.MinInt16), ErrOverflow)
testToSafeUint16(t, int16(-1), ErrOverflow)
testToSafeUint16(t, int16(math.MaxInt16), nil)
testToSafeUint16(t, int16(0), nil)
// uint16
testToSafeUint16(t, uint16(math.MaxUint16), nil)
testToSafeUint16(t, uint16(0), nil)
// int8
testToSafeUint16(t, int8(math.MinInt8), ErrOverflow)
testToSafeUint16(t, int8(-1), ErrOverflow)
testToSafeUint16(t, int8(math.MaxInt8), nil)
testToSafeUint16(t, int8(0), nil)
// uint8
testToSafeUint16(t, uint8(math.MaxUint8), nil)
testToSafeUint16(t, uint8(math.MaxInt8)+1, nil)
testToSafeUint16(t, uint8(0), nil)
}
func testToSafeUint32[T IntExt | UIntExt](t *testing.T, v T, err error) {
i32, e := ToSafeUint32(v)
assert.Equal(t, e, err)
assert.Equal(t, i32, uint32(v))
}
func Test_ToSafeUint32(t *testing.T) {
// int64
testToSafeUint32(t, int64(math.MaxInt64), ErrOverflow)
testToSafeUint32(t, int64(math.MaxUint32)+1, ErrOverflow)
testToSafeUint32(t, int64(math.MinInt64), ErrOverflow)
testToSafeUint32(t, int64(-1), ErrOverflow)
testToSafeUint32(t, int64(math.MaxUint32), nil)
testToSafeUint32(t, int64(0), nil)
// uint64
testToSafeUint32(t, uint64(math.MaxUint64), ErrOverflow)
testToSafeUint32(t, uint64(math.MaxUint32)+1, ErrOverflow)
testToSafeUint32(t, uint64(math.MaxUint32), nil)
testToSafeUint32(t, uint64(0), nil)
// int32
testToSafeUint32(t, int32(math.MinInt32), ErrOverflow)
testToSafeUint32(t, int32(-1), ErrOverflow)
testToSafeUint32(t, int32(math.MaxInt32), nil)
testToSafeUint32(t, int32(0), nil)
// uint32
testToSafeUint32(t, uint32(math.MaxUint32), nil)
testToSafeUint32(t, uint32(0), nil)
// int16
testToSafeUint32(t, int16(math.MinInt16), ErrOverflow)
testToSafeUint32(t, int16(-1), ErrOverflow)
testToSafeUint32(t, int16(math.MaxInt16), nil)
testToSafeUint32(t, int16(0), nil)
// uint16
testToSafeUint32(t, uint16(math.MaxUint16), nil)
testToSafeUint32(t, uint16(0), nil)
// int8
testToSafeUint32(t, int8(math.MinInt8), ErrOverflow)
testToSafeUint32(t, int8(-1), ErrOverflow)
testToSafeUint32(t, int8(math.MaxInt8), nil)
testToSafeUint32(t, int8(0), nil)
// uint8
testToSafeUint32(t, uint8(math.MaxUint8), nil)
testToSafeUint32(t, uint8(math.MaxInt8)+1, nil)
testToSafeUint32(t, uint8(0), nil)
}
func testToSafeUint64[T IntExt | UIntExt](t *testing.T, v T, err error) {
i64, e := ToSafeUint64(v)
assert.Equal(t, e, err)
assert.Equal(t, i64, uint64(v))
}
func Test_ToSafeUint64(t *testing.T) {
// int64
testToSafeUint64(t, int64(math.MinInt64), ErrOverflow)
testToSafeUint64(t, int64(-1), ErrOverflow)
testToSafeUint64(t, int64(math.MaxInt64), nil)
testToSafeUint64(t, int64(0), nil)
// uint64
testToSafeUint64(t, uint64(math.MaxUint64), nil)
testToSafeUint64(t, uint64(0), nil)
// int32
testToSafeUint64(t, int32(math.MinInt32), ErrOverflow)
testToSafeUint64(t, int32(-1), ErrOverflow)
testToSafeUint64(t, int32(math.MaxInt32), nil)
testToSafeUint64(t, int32(0), nil)
// uint32
testToSafeUint64(t, uint32(math.MaxUint32), nil)
testToSafeUint64(t, uint32(0), nil)
// int16
testToSafeUint64(t, int16(math.MinInt16), ErrOverflow)
testToSafeUint64(t, int16(-1), ErrOverflow)
testToSafeUint64(t, int16(math.MaxInt16), nil)
testToSafeUint64(t, int16(0), nil)
// uint16
testToSafeUint64(t, uint16(math.MaxUint16), nil)
testToSafeUint64(t, uint16(0), nil)
// int8
testToSafeUint64(t, int8(math.MinInt8), ErrOverflow)
testToSafeUint64(t, int8(-1), ErrOverflow)
testToSafeUint64(t, int8(math.MaxInt8), nil)
testToSafeUint64(t, int8(0), nil)
// uint8
testToSafeUint64(t, uint8(math.MaxUint8), nil)
testToSafeUint64(t, uint8(math.MaxInt8)+1, nil)
testToSafeUint64(t, uint8(0), nil)
}