Golang NullFloat64.Value Examples

Example #1

File: util_test.go Project: chenhougen/go-oauth2-server

func TestPositiveFloatOrNull(t *testing.T) {
	var (
		nullFloat sql.NullFloat64
		value     driver.Value
		err       error
	)

	// When the number is negative
	nullFloat = PositiveFloatOrNull(-0.5)

	// nullFloat.Valid should be false
	assert.False(t, nullFloat.Valid)

	// nullFloat.Value() should return nil
	value, err = nullFloat.Value()
	assert.Nil(t, err)
	assert.Nil(t, value)

	// When the number is greater than zero
	nullFloat = PositiveFloatOrNull(1.5)

	// nullFloat.Valid should be true
	assert.True(t, nullFloat.Valid)

	// nullFloat.Value() should return the integer
	value, err = nullFloat.Value()
	assert.Nil(t, err)
	assert.Equal(t, 1.5, value)
}