gitech

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// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package optional_test
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import (
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	"testing"
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	"code.gitea.io/gitea/modules/optional"
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	"github.com/stretchr/testify/assert"
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)
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func TestOption(t *testing.T) {
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	var uninitialized optional.Option[int]
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	assert.False(t, uninitialized.Has())
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	assert.Equal(t, int(0), uninitialized.Value())
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	assert.Equal(t, int(1), uninitialized.ValueOrDefault(1))
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	none := optional.None[int]()
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	assert.False(t, none.Has())
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	assert.Equal(t, int(0), none.Value())
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	assert.Equal(t, int(1), none.ValueOrDefault(1))
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	some := optional.Some[int](1)
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	assert.True(t, some.Has())
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	assert.Equal(t, int(1), some.Value())
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	assert.Equal(t, int(1), some.ValueOrDefault(2))
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	noneBool := optional.None[bool]()
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	assert.False(t, noneBool.Has())
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	assert.False(t, noneBool.Value())
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	assert.True(t, noneBool.ValueOrDefault(true))
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	someBool := optional.Some(true)
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	assert.True(t, someBool.Has())
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	assert.True(t, someBool.Value())
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	assert.True(t, someBool.ValueOrDefault(false))
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	var ptr *int
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	assert.False(t, optional.FromPtr(ptr).Has())
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	int1 := 1
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	opt1 := optional.FromPtr(&int1)
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	assert.True(t, opt1.Has())
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	assert.Equal(t, int(1), opt1.Value())
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	assert.False(t, optional.FromNonDefault("").Has())
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	opt2 := optional.FromNonDefault("test")
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	assert.True(t, opt2.Has())
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	assert.Equal(t, "test", opt2.Value())
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	assert.False(t, optional.FromNonDefault(0).Has())
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	opt3 := optional.FromNonDefault(1)
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	assert.True(t, opt3.Has())
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	assert.Equal(t, int(1), opt3.Value())
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}
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