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Diffstat (limited to 'spec/rubyspec/core/string/setbyte_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/setbyte_spec.rb | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/spec/rubyspec/core/string/setbyte_spec.rb b/spec/rubyspec/core/string/setbyte_spec.rb deleted file mode 100644 index 6373d74be1..0000000000 --- a/spec/rubyspec/core/string/setbyte_spec.rb +++ /dev/null @@ -1,105 +0,0 @@ -# -*- encoding: utf-8 -*- -require File.expand_path('../../../spec_helper', __FILE__) - -describe "String#setbyte" do - it "returns an Integer" do - "a".setbyte(0,1).should be_kind_of(Integer) - end - - it "modifies the receiver" do - str = "glark" - old_id = str.object_id - str.setbyte(0,88) - str.object_id.should == old_id - end - - it "changes the byte at the given index to the new byte" do - str = "a" - str.setbyte(0,98) - str.should == 'b' - - # copy-on-write case - str1, str2 = "fooXbar".split("X") - str2.setbyte(0, 50) - str2.should == "2ar" - str1.should == "foo" - end - - it "allows changing bytes in multi-byte characters" do - str = "\u{915}" - str.setbyte(1,254) - str.getbyte(1).should == 254 - end - - it "can invalidate a String's encoding" do - str = "glark" - str.valid_encoding?.should be_true - str.setbyte(2,253) - str.valid_encoding?.should be_false - end - - it "regards a negative index as counting from the end of the String" do - str = "hedgehog" - str.setbyte(-3, 108) - str.should == "hedgelog" - - # copy-on-write case - str1, str2 = "fooXbar".split("X") - str2.setbyte(-1, 50) - str2.should == "ba2" - str1.should == "foo" - end - - it "raises an IndexError if the index is greater than the String bytesize" do - lambda { "?".setbyte(1, 97) }.should raise_error(IndexError) - end - - it "raises an IndexError if the nexgative index is greater magnitude than the String bytesize" do - lambda { "???".setbyte(-5, 97) }.should raise_error(IndexError) - end - - it "sets a byte at an index greater than String size" do - chr = "\u{998}" - chr.bytesize.should == 3 - chr.setbyte(2, 150) - chr.should == "\xe0\xa6\x96" - end - - it "does not modify the original string when using String.new" do - str1 = "hedgehog" - str2 = String.new(str1) - str2.setbyte(0, 108) - str2.should == "ledgehog" - str2.should_not == "hedgehog" - str1.should == "hedgehog" - str1.should_not == "ledgehog" - end - - it "raises a RuntimeError if self is frozen" do - str = "cold".freeze - str.frozen?.should be_true - lambda { str.setbyte(3,96) }.should raise_error(RuntimeError) - end - - it "raises a TypeError unless the second argument is an Integer" do - lambda { "a".setbyte(0,'a') }.should raise_error(TypeError) - end - - it "calls #to_int to convert the index" do - index = mock("setbyte index") - index.should_receive(:to_int).and_return(1) - - str = "hat" - str.setbyte(index, "i".ord) - str.should == "hit" - end - - it "calls to_int to convert the value" do - value = mock("setbyte value") - value.should_receive(:to_int).and_return("i".ord) - - str = "hat" - str.setbyte(1, value) - str.should == "hit" - end -end |