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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
-module(gleam@map_test).
-compile(no_auto_import).
-export([from_list_test/0, has_key_test/0, new_test/0, get_test/0, insert_test/0, map_values_test/0, keys_test/0, values_test/0, take_test/0, drop_test/0, merge_test/0, delete_test/0, update_test/0, fold_test/0]).
from_list_test() ->
gleam@should:equal(
gleam@map:size(gleam@map:from_list([{4, 0}, {1, 0}])),
2
),
gleam@should:equal(
gleam@map:from_list([{1, 0}, {1, 1}]),
gleam@map:from_list([{1, 1}])
).
has_key_test() ->
gleam@should:be_false(gleam@map:has_key(gleam@map:from_list([]), 1)),
gleam@should:be_true(gleam@map:has_key(gleam@map:from_list([{1, 0}]), 1)),
gleam@should:be_true(
gleam@map:has_key(gleam@map:from_list([{4, 0}, {1, 0}]), 1)
),
gleam@should:be_false(
gleam@map:has_key(gleam@map:from_list([{4, 0}, {1, 0}]), 0)
).
new_test() ->
gleam@should:equal(gleam@map:size(gleam@map:new()), 0),
gleam@should:equal(gleam@map:to_list(gleam@map:new()), []).
get_test() ->
Proplist = [{4, 0}, {1, 1}],
M = gleam@map:from_list(Proplist),
gleam@should:equal(gleam@map:get(M, 4), {ok, 0}),
gleam@should:equal(gleam@map:get(M, 1), {ok, 1}),
gleam@should:equal(gleam@map:get(M, 2), {error, nil}).
insert_test() ->
gleam@should:equal(
gleam@map:insert(
gleam@map:insert(
gleam@map:insert(gleam@map:new(), <<"a"/utf8>>, 0),
<<"b"/utf8>>,
1
),
<<"c"/utf8>>,
2
),
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
)
).
map_values_test() ->
gleam@should:equal(
gleam@map:map_values(
gleam@map:from_list([{1, 0}, {2, 1}, {3, 2}]),
fun(K, V) -> K + V end
),
gleam@map:from_list([{1, 1}, {2, 3}, {3, 5}])
).
keys_test() ->
gleam@should:equal(
gleam@map:keys(
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
)
),
[<<"a"/utf8>>, <<"b"/utf8>>, <<"c"/utf8>>]
).
values_test() ->
gleam@should:equal(
gleam@map:values(
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
)
),
[0, 1, 2]
).
take_test() ->
gleam@should:equal(
gleam@map:take(
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
),
[<<"a"/utf8>>, <<"b"/utf8>>, <<"d"/utf8>>]
),
gleam@map:from_list([{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}])
).
drop_test() ->
gleam@should:equal(
gleam@map:drop(
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
),
[<<"a"/utf8>>, <<"b"/utf8>>, <<"d"/utf8>>]
),
gleam@map:from_list([{<<"c"/utf8>>, 2}])
).
merge_test() ->
A = gleam@map:from_list(
[{<<"a"/utf8>>, 2}, {<<"c"/utf8>>, 4}, {<<"d"/utf8>>, 3}]
),
B = gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
),
gleam@should:equal(
gleam@map:merge(A, B),
gleam@map:from_list(
[{<<"a"/utf8>>, 0},
{<<"b"/utf8>>, 1},
{<<"c"/utf8>>, 2},
{<<"d"/utf8>>, 3}]
)
),
gleam@should:equal(
gleam@map:merge(B, A),
gleam@map:from_list(
[{<<"a"/utf8>>, 2},
{<<"b"/utf8>>, 1},
{<<"c"/utf8>>, 4},
{<<"d"/utf8>>, 3}]
)
).
delete_test() ->
gleam@should:equal(
gleam@map:delete(
gleam@map:delete(
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
),
<<"a"/utf8>>
),
<<"d"/utf8>>
),
gleam@map:from_list([{<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}])
).
update_test() ->
Dict = gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
),
IncOrZero = fun(X) -> case X of
{ok, I} ->
I + 1;
{error, _} ->
0
end end,
gleam@should:equal(
gleam@map:update(Dict, <<"a"/utf8>>, IncOrZero),
gleam@map:from_list(
[{<<"a"/utf8>>, 1}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
)
),
gleam@should:equal(
gleam@map:update(Dict, <<"b"/utf8>>, IncOrZero),
gleam@map:from_list(
[{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 2}, {<<"c"/utf8>>, 2}]
)
),
gleam@should:equal(
gleam@map:update(Dict, <<"z"/utf8>>, IncOrZero),
gleam@map:from_list(
[{<<"a"/utf8>>, 0},
{<<"b"/utf8>>, 1},
{<<"c"/utf8>>, 2},
{<<"z"/utf8>>, 0}]
)
).
fold_test() ->
Dict = gleam@map:from_list(
[{<<"a"/utf8>>, 0},
{<<"b"/utf8>>, 1},
{<<"c"/utf8>>, 2},
{<<"d"/utf8>>, 3}]
),
Add = fun(_, V, Acc) -> V + Acc end,
gleam@should:equal(gleam@map:fold(Dict, 0, Add), 6),
Concat = fun(K, _, Acc1) -> gleam@string:append(Acc1, K) end,
gleam@should:equal(
gleam@map:fold(Dict, <<""/utf8>>, Concat),
<<"abcd"/utf8>>
),
gleam@should:equal(gleam@map:fold(gleam@map:from_list([]), 0, Add), 0).
|
