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describe :array_pack_arguments, :shared => true do
it "raises an ArgumentError if there are fewer elements than the format requires" do
lambda { [].pack(pack_format(1)) }.should raise_error(ArgumentError)
end
end
describe :array_pack_basic, :shared => true do
before :each do
@obj = ArraySpecs.universal_pack_object
end
it "raises a TypeError when passed nil" do
lambda { [@obj].pack(nil) }.should raise_error(TypeError)
end
it "raises a TypeError when passed an Integer" do
lambda { [@obj].pack(1) }.should raise_error(TypeError)
end
end
describe :array_pack_basic_non_float, :shared => true do
before :each do
@obj = ArraySpecs.universal_pack_object
end
it "ignores whitespace in the format string" do
[@obj, @obj].pack("a \t\n\v\f\r"+pack_format).should be_an_instance_of(String)
end
it "calls #to_str to coerce the directives string" do
d = mock("pack directive")
d.should_receive(:to_str).and_return("x"+pack_format)
[@obj, @obj].pack(d).should be_an_instance_of(String)
end
it "taints the output string if the format string is tainted" do
[@obj, @obj].pack("x"+pack_format.taint).tainted?.should be_true
end
end
describe :array_pack_basic_float, :shared => true do
it "ignores whitespace in the format string" do
[9.3, 4.7].pack(" \t\n\v\f\r"+pack_format).should be_an_instance_of(String)
end
it "calls #to_str to coerce the directives string" do
d = mock("pack directive")
d.should_receive(:to_str).and_return("x"+pack_format)
[1.2, 4.7].pack(d).should be_an_instance_of(String)
end
it "taints the output string if the format string is tainted" do
[3.2, 2.8].pack("x"+pack_format.taint).tainted?.should be_true
end
end
describe :array_pack_no_platform, :shared => true do
it "raises ArgumentError when the format modifier is '_'" do
lambda{ [1].pack(pack_format("_")) }.should raise_error(ArgumentError)
end
it "raises ArgumentError when the format modifier is '!'" do
lambda{ [1].pack(pack_format("!")) }.should raise_error(ArgumentError)
end
end
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