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Versions: 52
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Contents
# -*- encoding: ascii-8bit -*-
require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)
require File.expand_path('../shared/basic', __FILE__)
describe "String#unpack with format '@'" do
it_behaves_like :string_unpack_basic, '@'
it_behaves_like :string_unpack_no_platform, '@'
it "moves the read index to the byte specified by the count" do
"\x01\x02\x03\x04".unpack("C3@2C").should == [1, 2, 3, 3]
end
it "implicitly has a count of zero when count is not specified" do
"\x01\x02\x03\x04".unpack("C2@C").should == [1, 2, 1]
end
it "has no effect when passed the '*' modifier" do
"\x01\x02\x03\x04".unpack("C2@*C").should == [1, 2, 3]
end
it "positions the read index one beyond the last readable byte in the String" do
"\x01\x02\x03\x04".unpack("C2@4C").should == [1, 2, nil]
end
it "raises an ArgumentError if the count exceeds the size of the String" do
lambda { "\x01\x02\x03\x04".unpack("C2@5C") }.should raise_error(ArgumentError)
end
end
Version data entries
52 entries across 52 versions & 2 rubygems