luminate/Tests/LuminateCoreTests/PreferenceValueTests.swift

45 lines
1.5 KiB
Swift

//
// PreferenceValueTests.swift
//
// Copyright 2026 Brendan Szymanski <hello@bscubed.dev>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
import Testing
@testable import LuminateCore
/// Verifies typed conversions at the preference storage boundary.
@Suite struct PreferenceValueTests {
@Test("Boolean decoding accepts only zero and one")
func booleanDecoding() {
#expect(Bool(preference: .integer(0)) == false)
#expect(Bool(preference: .integer(1)) == true)
#expect(Bool(preference: .integer(2)) == nil)
}
@Test("Double decoding accepts integer storage")
func doubleIntegerDecoding() {
#expect(Double(preference: .integer(3)) == 3.0)
}
@Test("Non-finite doubles encode as zero")
func nonFiniteDoubleEncoding() {
#expect(Double.nan.preferenceValue == .real(0))
#expect(Double.infinity.preferenceValue == .real(0))
}
}