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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
local _anon_func_0 = function(flag)
if flag then
return 1
else
return 0
end
end
local _anon_func_1 = function()
if nil then
return true
else
return false
end
end
local _anon_func_2 = function()
if false then
return true
else
return false
end
end
local _anon_func_3 = function()
if 0 then
return true
else
return false
end
end
local _anon_func_4 = function()
if "" then
return true
else
return false
end
end
local _anon_func_5 = function()
if { } then
return true
else
return false
end
end
local _anon_func_6 = function()
if 1 then
return true
else
return false
end
end
return describe("cond", function()
it("should execute if branch when condition is true", function()
local result = nil
if true then
result = "yes"
end
return assert.same(result, "yes")
end)
it("should execute else branch when condition is false", function()
local result = nil
if false then
result = "yes"
else
result = "no"
end
return assert.same(result, "no")
end)
it("should support elseif chain", function()
local value = 2
local result
if 1 == value then
result = "one"
elseif 2 == value then
result = "two"
else
result = "other"
end
return assert.same(result, "two")
end)
it("should handle nested conditions", function()
local result = nil
if true then
if true then
result = "nested"
end
end
return assert.same(result, "nested")
end)
it("should work as expression", function()
local value
if true then
value = "yes"
else
value = "no"
end
return assert.same(value, "yes")
end)
it("should work in string interpolation", function()
local flag = true
local result = "value is " .. tostring(_anon_func_0(flag))
return assert.same(result, "value is 1")
end)
it("should support chained comparisons", function()
return assert.is_true(1 < 2 and 2 <= 2 and 2 < 3)
end)
it("should short-circuit and expression", function()
local count = 0
local inc
inc = function()
count = count + 1
return false
end
local result = inc() and inc()
return assert.same(count, 1)
end)
it("should short-circuit or expression", function()
local count = 0
local inc
inc = function()
count = count + 1
return true
end
local result = inc() or inc()
return assert.same(count, 1)
end)
it("should support unless keyword", function()
local result = nil
if not false then
result = "executed"
end
return assert.same(result, "executed")
end)
it("should support unless with else", function()
local result = nil
if not true then
result = "no"
else
result = "yes"
end
return assert.same(result, "yes")
end)
it("should handle postfix if", function()
local result = nil
if true then
result = "yes"
end
return assert.same(result, "yes")
end)
it("should handle postfix unless", function()
local result = nil
if not false then
result = "yes"
end
return assert.same(result, "yes")
end)
it("should evaluate truthiness correctly", function()
assert.is_false(_anon_func_1())
assert.is_false(_anon_func_2())
assert.is_true(_anon_func_3())
assert.is_true(_anon_func_4())
assert.is_true(_anon_func_5())
return assert.is_true(_anon_func_6())
end)
it("should support and/or operators", function()
assert.same(true and false, false)
assert.same(false or true, true)
assert.same(nil or "default", "default")
return assert.same("value" or "default", "value")
end)
it("should handle complex boolean expressions", function()
local a, b, c = true, false, true
local result = a and b or c
return assert.same(result, c)
end)
it("should support not operator", function()
assert.is_true(not false)
assert.is_true(not nil)
assert.is_false(not true)
return assert.is_false(not 1)
end)
it("should work with table as condition", function()
local result = nil
if { } then
result = "truthy"
end
return assert.same(result, "truthy")
end)
it("should work with string as condition", function()
local result = nil
if "" then
result = "truthy"
end
return assert.same(result, "truthy")
end)
it("should work with zero as condition", function()
local result = nil
if 0 then
result = "truthy"
end
return assert.same(result, "truthy")
end)
it("should support multiple elseif branches", function()
local value = 3
local result
if value == 1 then
result = "one"
elseif value == 2 then
result = "two"
elseif value == 3 then
result = "three"
else
result = "other"
end
return assert.same(result, "three")
end)
it("should handle then keyword syntax", function()
local result
if true then
result = "yes"
else
result = "no"
end
return assert.same(result, "yes")
end)
return it("should work with function call in condition", function()
local return_true
return_true = function()
return true
end
local result
if return_true() then
result = "yes"
else
result = "no"
end
return assert.same(result, "yes")
end)
end)
|
