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# -*- encoding: utf-8 -*-
require_relative '../../../spec_helper'
describe :byte_index_common, shared: true do
describe "raises on type errors" do
it "raises a TypeError if passed nil" do
-> { "abc".send(@method, nil) }.should raise_error(TypeError, "no implicit conversion of nil into String")
end
it "raises a TypeError if passed a boolean" do
-> { "abc".send(@method, true) }.should raise_error(TypeError, "no implicit conversion of true into String")
end
it "raises a TypeError if passed a Symbol" do
not_supported_on :opal do
-> { "abc".send(@method, :a) }.should raise_error(TypeError, "no implicit conversion of Symbol into String")
end
end
it "raises a TypeError if passed a Symbol" do
obj = mock('x')
obj.should_not_receive(:to_int)
-> { "hello".send(@method, obj) }.should raise_error(TypeError, "no implicit conversion of MockObject into String")
end
it "raises a TypeError if passed an Integer" do
-> { "abc".send(@method, 97) }.should raise_error(TypeError, "no implicit conversion of Integer into String")
end
end
describe "with multibyte codepoints" do
it "raises an IndexError when byte offset lands in the middle of a multibyte character" do
-> { "わ".send(@method, "", 1) }.should raise_error(IndexError, "offset 1 does not land on character boundary")
-> { "わ".send(@method, "", 2) }.should raise_error(IndexError, "offset 2 does not land on character boundary")
-> { "わ".send(@method, "", -1) }.should raise_error(IndexError, "offset 2 does not land on character boundary")
-> { "わ".send(@method, "", -2) }.should raise_error(IndexError, "offset 1 does not land on character boundary")
end
it "raises an Encoding::CompatibilityError if the encodings are incompatible" do
re = Regexp.new "れ".encode(Encoding::EUC_JP)
-> do
"あれ".send(@method, re)
end.should raise_error(Encoding::CompatibilityError, "incompatible encoding regexp match (EUC-JP regexp with UTF-8 string)")
end
end
describe "with global variables" do
it "doesn't set $~ for non regex search" do
$~ = nil
'hello.'.send(@method, 'll')
$~.should == nil
end
it "sets $~ to MatchData of match and nil when there's none" do
'hello.'.send(@method, /.e./)
$~[0].should == 'hel'
'hello.'.send(@method, /not/)
$~.should == nil
end
end
end
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