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return describe("do statement", function()
it("should create new scope", function()
local x = 10
do
local x = 20
assert.same(x, 20)
end
return assert.same(x, 10)
end)
it("should return value from do block", function()
local result
do
local x = 5
result = x * 2
end
return assert.same(result, 10)
end)
it("should work with multiple statements", function()
local result
do
local a = 1
local b = 2
local c = 3
result = a + b + c
end
return assert.same(result, 6)
end)
it("should handle nested do blocks", function()
local result
do
local x = 10
local y
do
local z = 5
y = z * 2
end
result = x + y
end
return assert.same(result, 20)
end)
it("should support conditional in do block", function()
local result
do
local value = 5
if value > 3 then
result = value * 2
else
result = value
end
end
return assert.same(result, 10)
end)
it("should work with loops in do block", function()
local result
do
local sum = 0
for i = 1, 5 do
sum = sum + i
end
result = sum
end
return assert.same(result, 15)
end)
it("should handle table operations", function()
local result
do
local tb = {
1,
2,
3
}
table.insert(tb, 4)
result = #tb
end
return assert.same(result, 4)
end)
it("should work with function definition", function()
local result
do
local fn
fn = function(x)
return x * 2
end
result = fn(5)
end
return assert.same(result, 10)
end)
it("should support variable shadowing", function()
local x = "outer"
local result
do
local x = "inner"
result = x
end
assert.same(result, "inner")
return assert.same(x, "outer")
end)
it("should work with method calls", function()
local obj = {
value = 10,
double = function(self)
return self.value * 2
end
}
local result
do
local _accum_0
repeat
_accum_0 = obj:double()
break
until true
result = _accum_0
end
return assert.same(result, 20)
end)
it("should handle comprehensions in do block", function()
local result
do
local items = {
1,
2,
3,
4,
5
}
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #items do
local item = items[_index_0]
_accum_0[_len_0] = item * 2
_len_0 = _len_0 + 1
end
result = _accum_0
end
return assert.same(result, {
2,
4,
6,
8,
10
})
end)
it("should work with try-catch", function()
local success, result = xpcall(function()
error("test error")
return false
end, function(err)
return true
end)
assert.is_false(success)
return assert.is_true(result)
end)
it("should support return statement", function()
local fn
fn = function()
do
local x = 10
return x * 2
end
return "never reached"
end
local result = fn()
return assert.same(result, 20)
end)
it("should work with assignment", function()
local result
do
local a, b, c = 1, 2, 3
result = a + b + c
end
return assert.same(result, 6)
end)
it("should handle destructuring", function()
local result
do
local tb = {
x = 10,
y = 20
}
local x, y = tb.x, tb.y
result = x + y
end
return assert.same(result, 30)
end)
it("should work with string interpolation", function()
local name = "world"
local result
do
local greeting = "hello"
result = tostring(greeting) .. " " .. tostring(name)
end
return assert.same(result, "hello world")
end)
it("should support implicit return", function()
local result
do
local value = 42
result = value
end
return assert.same(result, 42)
end)
it("should handle empty do block", function()
local result
do
result = nil
end
return assert.same(result, nil)
end)
return it("should work with backcalls", function()
local map
map = function(f, items)
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #items do
local item = items[_index_0]
_accum_0[_len_0] = f(item)
_len_0 = _len_0 + 1
end
return _accum_0
end
local result
do
local items = {
1,
2,
3
}
result = map(function(x)
return x * 2
end, items)
end
return assert.same(result, {
2,
4,
6
})
end)
end)
|
