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Contents
describe :kernel_lambda, :shared => true do
it "returns a Proc object" do
send(@method) { true }.kind_of?(Proc).should == true
end
it "raises an ArgumentError when no block is given" do
lambda { send(@method) }.should raise_error(ArgumentError)
end
it "raises an ArgumentError when given too many arguments" do
lambda {
send(@method) { |a, b| a + b }.call(1, 2, 5)
}.should raise_error(ArgumentError)
end
it "raises an ArgumentError when given too few arguments" do
lambda {
send(@method) { |a, b| a + b }.call(1)
}.should raise_error(ArgumentError)
end
it "returns from block into caller block" do
# More info in the pickaxe book pg. 359
def some_method(cmd)
p = send(cmd) { return 99 }
res = p.call
"returned #{res}"
end
# Have to pass in the @method errors otherwise
some_method(@method).should == "returned 99"
def some_method2(&b) b end
a_proc = send(@method) { return true }
res = some_method2(&a_proc)
res.call.should == true
end
end
Version data entries
83 entries across 83 versions & 1 rubygems