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class NextSpecs
def self.yielding_method(expected)
yield.should == expected
:method_return_value
end
def self.yielding
yield
end
# The methods below are defined to spec the behavior of the next statement
# while specifically isolating whether the statement is in an Iter block or
# not. In a normal spec example, the code is always nested inside a block.
# Rather than rely on that implicit context in this case, the context is
# made explicit because of the interaction of next in a loop nested inside
# an Iter block.
def self.while_next(arg)
x = true
while x
begin
ScratchPad << :begin
x = false
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
def self.while_within_iter(arg)
yielding do
x = true
while x
begin
ScratchPad << :begin
x = false
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
end
def self.until_next(arg)
x = false
until x
begin
ScratchPad << :begin
x = true
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
def self.until_within_iter(arg)
yielding do
x = false
until x
begin
ScratchPad << :begin
x = true
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
end
def self.loop_next(arg)
x = 1
loop do
break if x == 2
begin
ScratchPad << :begin
x += 1
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
def self.loop_within_iter(arg)
yielding do
x = 1
loop do
break if x == 2
begin
ScratchPad << :begin
x += 1
if arg
next 42
else
next
end
ensure
ScratchPad << :ensure
end
end
end
end
class Block
def method(v)
yield v
end
end
end
|
