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// SPDX-FileCopyrightText: 2025 Stefan Majewsky <majewsky@gmx.net>
// SPDX-License-Identifier: Apache-2.0
package options
import (
"strconv"
"testing"
. "github.com/majewsky/gg/internal/test"
. "github.com/majewsky/gg/option"
)
func TestFromPointer(t *testing.T) {
AssertEqual(t, FromPointer[int](nil), None[int]())
AssertEqual(t, FromPointer(PointerTo[int](42)), Some(42))
}
func TestIsNoneOrZero(t *testing.T) {
AssertEqual(t, IsNoneOrZero(None[int]()), true)
AssertEqual(t, IsNoneOrZero(Some(0)), true)
AssertEqual(t, IsNoneOrZero(Some(1)), false)
}
func TestMap(t *testing.T) {
AssertEqual(t, Map(None[int](), strconv.Itoa), None[string]())
AssertEqual(t, Map(Some(42), strconv.Itoa), Some("42"))
}
func TestMax(t *testing.T) {
AssertEqual(t, Max[int](), None[int]())
AssertEqual(t, Max(None[int]()), None[int]())
AssertEqual(t, Max(None[int](), None[int]()), None[int]())
AssertEqual(t, Max(Some(5)), Some(5))
AssertEqual(t, Max(Some(5), None[int]()), Some(5))
AssertEqual(t, Max(None[int](), Some(5)), Some(5))
AssertEqual(t, Max(Some(5), Some(23)), Some(23))
AssertEqual(t, Max(None[int](), Some(5), Some(23)), Some(23))
AssertEqual(t, Max(Some(5), None[int](), Some(23)), Some(23))
AssertEqual(t, Max(Some(5), Some(23), None[int]()), Some(23))
AssertEqual(t, Max(Some(23), Some(5)), Some(23))
AssertEqual(t, Max(None[int](), Some(23), Some(5)), Some(23))
AssertEqual(t, Max(Some(23), None[int](), Some(5)), Some(23))
AssertEqual(t, Max(Some(23), Some(5), None[int]()), Some(23))
}
func TestMin(t *testing.T) {
AssertEqual(t, Min[int](), None[int]())
AssertEqual(t, Min(None[int]()), None[int]())
AssertEqual(t, Min(None[int](), None[int]()), None[int]())
AssertEqual(t, Min(Some(5)), Some(5))
AssertEqual(t, Min(Some(5), None[int]()), Some(5))
AssertEqual(t, Min(None[int](), Some(5)), Some(5))
AssertEqual(t, Min(Some(5), Some(23)), Some(5))
AssertEqual(t, Min(None[int](), Some(5), Some(23)), Some(5))
AssertEqual(t, Min(Some(5), None[int](), Some(23)), Some(5))
AssertEqual(t, Min(Some(5), Some(23), None[int]()), Some(5))
AssertEqual(t, Min(Some(23), Some(5)), Some(5))
AssertEqual(t, Min(None[int](), Some(23), Some(5)), Some(5))
AssertEqual(t, Min(Some(23), None[int](), Some(5)), Some(5))
AssertEqual(t, Min(Some(23), Some(5), None[int]()), Some(5))
}
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