/
laws.go
74 lines (59 loc) · 1.52 KB
/
laws.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
// Copyright (c) 2023 IBM Corp.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package testing
import (
"testing"
RA "github.com/IBM/fp-go/array"
EQ "github.com/IBM/fp-go/eq"
L "github.com/IBM/fp-go/internal/monad/testing"
)
// AssertLaws asserts the apply monad laws for the array monad
func AssertLaws[A, B, C any](t *testing.T,
eqa EQ.Eq[A],
eqb EQ.Eq[B],
eqc EQ.Eq[C],
ab func(A) B,
bc func(B) C,
) func(a A) bool {
return L.AssertLaws(t,
RA.Eq(eqa),
RA.Eq(eqb),
RA.Eq(eqc),
RA.Of[A],
RA.Of[B],
RA.Of[C],
RA.Of[func(A) A],
RA.Of[func(A) B],
RA.Of[func(B) C],
RA.Of[func(func(A) B) B],
RA.MonadMap[A, A],
RA.MonadMap[A, B],
RA.MonadMap[A, C],
RA.MonadMap[B, C],
RA.MonadMap[func(B) C, func(func(A) B) func(A) C],
RA.MonadChain[A, A],
RA.MonadChain[A, B],
RA.MonadChain[A, C],
RA.MonadChain[B, C],
RA.MonadAp[A, A],
RA.MonadAp[B, A],
RA.MonadAp[C, B],
RA.MonadAp[C, A],
RA.MonadAp[B, func(A) B],
RA.MonadAp[func(A) C, func(A) B],
ab,
bc,
)
}