mirror of
https://github.com/IBM/fp-go.git
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52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
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// 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 testing
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import (
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"context"
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"fmt"
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"testing"
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A "github.com/IBM/fp-go/array"
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EQ "github.com/IBM/fp-go/eq"
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"github.com/stretchr/testify/assert"
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)
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func TestMonadLaws(t *testing.T) {
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// some comparison
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eqs := A.Eq[string](EQ.FromStrictEquals[string]())
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eqe := EQ.FromStrictEquals[error]()
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eqa := EQ.FromStrictEquals[bool]()
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eqb := EQ.FromStrictEquals[int]()
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eqc := EQ.FromStrictEquals[string]()
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ab := func(a bool) int {
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if a {
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return 1
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}
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return 0
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}
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bc := func(b int) string {
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return fmt.Sprintf("value %d", b)
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}
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laws := AssertLaws(t, eqs, eqe, eqa, eqb, eqc, ab, bc, A.Empty[string](), context.Background())
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assert.True(t, laws(true))
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assert.True(t, laws(false))
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}
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