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Versions: 15
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Contents
class RescueReturningSpec
def single
begin
raise "ERROR"
rescue
:foo
end
end
def multiple
begin
raise "ERROR"
rescue
to_s
:bar
end
end
def empty_rescue
begin
raise "ERROR"
rescue
end
end
end
describe "The rescue keyword" do
it "returns last value of expression evaluated" do
RescueReturningSpec.new.single.should == :foo
RescueReturningSpec.new.multiple.should == :bar
end
it "returns nil if no expr given in rescue body" do
RescueReturningSpec.new.empty_rescue.should be_nil
end
it "by default, catch StandardError, not all Exception" do
lambda { begin;raise Exception.new;rescue;end }.should raise_error
lambda { begin;raise "err";rescue;end }.should_not raise_error
# one line rescue
lambda { raise Exception rescue nil }.should raise_error(Exception)
lambda { raise "err" rescue nil }.should_not raise_error
(raise "err" rescue "foo").should == "foo"
("err" rescue "foo").should == "err"
end
it 'Fix using more than two "rescue" in sequence #1269' do
$ScratchPad = []
# As a statement
begin
raise IOError, 'foo'
rescue RangeError # this one is correct
rescue TypeError # miss a return
rescue IOError # following two lines disappear in js
$ScratchPad << "I got #{$!.message}"
end
$ScratchPad.last.should == "I got foo"
# As an expression
a = begin
raise IOError, 'foo'
rescue RangeError # this one is correct
rescue TypeError # miss a return
rescue IOError # following two lines disappear in js
"I got #{$!.message}"
end
a.should == "I got foo"
end
end
Version data entries
15 entries across 15 versions & 1 rubygems