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2076c2c3c4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66622 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
104 lines
3.5 KiB
Ruby
104 lines
3.5 KiB
Ruby
# -*- encoding: utf-8 -*-
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require_relative '../../spec_helper'
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describe "MatchData#begin" do
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context "when passed an integer argument" do
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it "returns the character offset of the start of the nth element" do
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match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
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match_data.begin(0).should == 1
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match_data.begin(2).should == 2
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end
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it "returns nil when the nth match isn't found" do
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match_data = /something is( not)? (right)/.match("something is right")
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match_data.begin(1).should be_nil
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end
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it "returns the character offset for multi-byte strings" do
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match_data = /(.)(.)(\d+)(\d)/.match("TñX1138.")
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match_data.begin(0).should == 1
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match_data.begin(2).should == 2
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end
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not_supported_on :opal do
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it "returns the character offset for multi-byte strings with unicode regexp" do
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match_data = /(.)(.)(\d+)(\d)/u.match("TñX1138.")
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match_data.begin(0).should == 1
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match_data.begin(2).should == 2
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end
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end
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it "tries to convert the passed argument to an Integer using #to_int" do
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obj = mock('to_int')
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obj.should_receive(:to_int).and_return(2)
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match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
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match_data.begin(obj).should == 2
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end
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end
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context "when passed a String argument" do
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it "return the character offset of the start of the named capture" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
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match_data.begin("a").should == 1
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match_data.begin("b").should == 3
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end
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it "returns the character offset for multi byte strings" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
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match_data.begin("a").should == 1
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match_data.begin("b").should == 3
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end
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not_supported_on :opal do
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it "returns the character offset for multi byte strings with unicode regexp" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
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match_data.begin("a").should == 1
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match_data.begin("b").should == 3
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end
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end
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it "returns the character offset for the farthest match when multiple named captures use the same name" do
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match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
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match_data.begin("a").should == 3
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end
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it "returns the character offset for multi-byte names" do
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match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
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match_data.begin("æ").should == 1
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end
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end
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context "when passed a Symbol argument" do
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it "return the character offset of the start of the named capture" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
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match_data.begin(:a).should == 1
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match_data.begin(:b).should == 3
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end
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it "returns the character offset for multi byte strings" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
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match_data.begin(:a).should == 1
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match_data.begin(:b).should == 3
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end
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not_supported_on :opal do
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it "returns the character offset for multi byte strings with unicode regexp" do
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match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
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match_data.begin(:a).should == 1
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match_data.begin(:b).should == 3
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end
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end
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it "returns the character offset for the farthest match when multiple named captures use the same name" do
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match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
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match_data.begin(:a).should == 3
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end
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it "returns the character offset for multi-byte names" do
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match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
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match_data.begin(:æ).should == 1
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end
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end
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end
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