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25 lines
760 B
Ruby
25 lines
760 B
Ruby
require 'scanf'
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describe :scanf_string_block_scanf, shared: true do
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it "passes each match to the block as an array" do
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a = []
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"hello world".send(@method, "%s%s"){|w| a << w}
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a.should == [["hello", "world"]]
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end
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it "keeps scanning the input and cycling back to the beginning of the input string" do
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a = []
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"hello world".send(@method, "%s"){|w| a << w}
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a.should == [["hello"], ["world"]]
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string = "123 abc 456 def 789 ghi"
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s = string.send(@method, "%d%s"){|num,str| [num * 2, str.upcase]}
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s.should == [[246, "ABC"], [912, "DEF"], [1578, "GHI"]]
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end
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it "returns an empty array when a wrong specifier is passed" do
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a = []
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"hello world".send(@method, "%z"){|w| a << w}
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a.empty?.should be_true
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end
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end
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