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|
require_relative '../spec_helper'
describe "The retry statement" do
it "re-executes the closest block" do
retry_first = true
retry_second = true
results = []
begin
results << 1
raise
rescue
results << 2
if retry_first
results << 3
retry_first = false
retry
end
begin
results << 4
raise
rescue
results << 5
if retry_second
results << 6
retry_second = false
retry
end
end
end
results.should == [1, 2, 3, 1, 2, 4, 5, 6, 4, 5]
end
it "raises a SyntaxError when used outside of a rescue statement" do
-> { eval 'retry' }.should raise_error(SyntaxError)
-> { eval 'begin; retry; end' }.should raise_error(SyntaxError)
-> { eval 'def m; retry; end' }.should raise_error(SyntaxError)
-> { eval 'module RetrySpecs; retry; end' }.should raise_error(SyntaxError)
end
end
describe "The retry keyword inside a begin block's rescue block" do
it "causes the begin block to be executed again" do
counter = 0
begin
counter += 1
raise "An exception"
rescue
retry unless counter == 7
end
counter.should == 7
end
end
|
