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57 lines
2 KiB
Ruby
57 lines
2 KiB
Ruby
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require_relative '../../../spec_helper'
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ruby_version_is ''...'2.7' do
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require_relative 'shared/block_scanf'
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require 'scanf'
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describe "String#scanf" do
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it "returns an array containing the input converted in the specified type" do
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"hello world".scanf("%s").should == ["hello"]
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"hello world".scanf("%s%d").should == ["hello"]
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"hello world".scanf("%s%c").should == ["hello", " "]
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"hello world".scanf("%c%s").should == ["h", "ello"]
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"hello world".scanf("%s%s").should == ["hello", "world"]
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"hello world".scanf("%c").should == ["h"]
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"123".scanf("%s").should == ["123"]
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"123".scanf("%c").should == ["1"]
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"123".scanf("%d").should == [123]
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"123".scanf("%u").should == [123]
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"123".scanf("%o").should == [83]
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"123".scanf("%x").should == [291]
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"123".scanf("%i").should == [123]
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"0123".scanf("%i").should == [83]
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"123".scanf("%f").should == [123.0]
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"0X123".scanf("%i").should == [291]
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"0x123".scanf("%i").should == [291]
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end
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it "returns an array containing the input converted in the specified type with given maximum field width" do
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"hello world".scanf("%2s").should == ["he"]
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"hello world".scanf("%2c").should == ["he"]
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"123".scanf("%2s").should == ["12"]
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"123".scanf("%2c").should == ["12"]
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"123".scanf("%2d").should == [12]
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"123".scanf("%2u").should == [12]
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"123".scanf("%2o").should == [10]
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"123".scanf("%2x").should == [18]
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"123".scanf("%2i").should == [12]
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"0123".scanf("%2i").should == [1]
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"123".scanf("%2f").should == [12.0]
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"0X123".scanf("%2i").should == [0]
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"0X123".scanf("%3i").should == [1]
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"0X123".scanf("%4i").should == [18]
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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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"hello world".scanf("%a").should == []
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"123".scanf("%1").should == []
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"123".scanf("abc").should == []
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"123".scanf(:d).should == []
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end
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end
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describe "String#scanf with block" do
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it_behaves_like :scanf_string_block_scanf, :scanf
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end
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end
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