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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../spec_helper'
class SpecificExampleException < StandardError
end
class OtherCustomException < StandardError
end
def exception_list
[SpecificExampleException, ZeroDivisionError]
end
describe "The rescue keyword" do
it "can be used to handle a specific exception" do
lambda do
begin
raise SpecificExampleException, "Raising this to be handled below"
rescue SpecificExampleException
end
end.should_not raise_error
end
it "can capture the raised exception in a local variable" do
begin
raise SpecificExampleException, "some text"
rescue SpecificExampleException => e
e.message.should == "some text"
end
end
it "can rescue multiple raised exceptions with a single rescue block" do
lambda do
[lambda{1/0}, lambda{raise SpecificExampleException}].each do |block|
begin
block.call
rescue SpecificExampleException, ZeroDivisionError
end
end
end.should_not raise_error
end
it "can rescue a splatted list of exceptions" do
caught_it = false
begin
raise SpecificExampleException, "not important"
rescue *exception_list
caught_it = true
end
caught_it.should be_true
caught = []
lambda do
[lambda{1/0}, lambda{raise SpecificExampleException}].each do |block|
begin
block.call
rescue *exception_list
caught << $!
end
end
end.should_not raise_error
caught.size.should == 2
exception_list.each do |exception_class|
caught.map{|e| e.class}.include?(exception_class).should be_true
end
end
it "will only rescue the specified exceptions when doing a splat rescue" do
lambda do
begin
raise OtherCustomException, "not rescued!"
rescue *exception_list
end
end.should raise_error(OtherCustomException)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems