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47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package option
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import (
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"testing"
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S "github.com/IBM/fp-go/string"
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"github.com/stretchr/testify/assert"
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)
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// it('getOrd', () => {
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// const OS = _.getOrd(S.Ord)
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// U.deepStrictEqual(OS.compare(_.none, _.none), 0)
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// U.deepStrictEqual(OS.compare(_.some('a'), _.none), 1)
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// U.deepStrictEqual(OS.compare(_.none, _.some('a')), -1)
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// U.deepStrictEqual(OS.compare(_.some('a'), _.some('a')), 0)
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// U.deepStrictEqual(OS.compare(_.some('a'), _.some('b')), -1)
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// U.deepStrictEqual(OS.compare(_.some('b'), _.some('a')), 1)
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// })
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func TestOrd(t *testing.T) {
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os := Ord(S.Ord)
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assert.Equal(t, 0, os.Compare(None[string](), None[string]()))
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assert.Equal(t, 1, os.Compare(Some("a"), None[string]()))
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assert.Equal(t, -1, os.Compare(None[string](), Some("a")))
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assert.Equal(t, 0, os.Compare(Some("a"), Some("a")))
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assert.Equal(t, -1, os.Compare(Some("a"), Some("b")))
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assert.Equal(t, 1, os.Compare(Some("b"), Some("a")))
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}
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