diff options
Diffstat (limited to 'spec/ruby/optional/capi/string_spec.rb')
-rw-r--r-- | spec/ruby/optional/capi/string_spec.rb | 314 |
1 files changed, 211 insertions, 103 deletions
diff --git a/spec/ruby/optional/capi/string_spec.rb b/spec/ruby/optional/capi/string_spec.rb index 3c5b7fe4e0..a8edf998b5 100644 --- a/spec/ruby/optional/capi/string_spec.rb +++ b/spec/ruby/optional/capi/string_spec.rb @@ -1,4 +1,5 @@ # encoding: utf-8 +# frozen_string_literal: false require_relative 'spec_helper' require_relative '../../shared/string/times' @@ -47,7 +48,7 @@ describe "C-API String function" do [Encoding::BINARY, Encoding::UTF_8].each do |enc| describe "rb_str_set_len on a #{enc.name} String" do before :each do - @str = "abcdefghij".force_encoding(enc) + @str = "abcdefghij".dup.force_encoding(enc) # Make sure to unshare the string @s.rb_str_modify(@str) end @@ -97,6 +98,32 @@ describe "C-API String function" do end end + describe "rb_str_set_len on a UTF-16 String" do + before :each do + @str = "abcdefghij".dup.force_encoding(Encoding::UTF_16BE) + # Make sure to unshare the string + @s.rb_str_modify(@str) + end + + it "inserts two NULL bytes at the length" do + @s.rb_str_set_len(@str, 4).b.should == "abcd".b + @s.rb_str_set_len(@str, 8).b.should == "abcd\x00\x00gh".b + end + end + + describe "rb_str_set_len on a UTF-32 String" do + before :each do + @str = "abcdefghijkl".dup.force_encoding(Encoding::UTF_32BE) + # Make sure to unshare the string + @s.rb_str_modify(@str) + end + + it "inserts four NULL bytes at the length" do + @s.rb_str_set_len(@str, 4).b.should == "abcd".b + @s.rb_str_set_len(@str, 12).b.should == "abcd\x00\x00\x00\x00ijkl".b + end + end + describe "rb_str_buf_new" do it "returns the equivalent of an empty string" do buf = @s.rb_str_buf_new(10, nil) @@ -108,7 +135,7 @@ describe "C-API String function" do it "returns a string with the given capacity" do buf = @s.rb_str_buf_new(256, nil) - @s.rb_str_capacity(buf).should == 256 + @s.rb_str_capacity(buf).should >= 256 end it "returns a string that can be appended to" do @@ -181,12 +208,6 @@ describe "C-API String function" do @s.rb_str_new("hello", 3).should == "hel" end - ruby_version_is ''...'2.7' do - it "returns a non-tainted string" do - @s.rb_str_new("hello", 5).should_not.tainted? - end - end - it "returns an empty string if len is 0" do @s.rb_str_new("hello", 0).should == "" end @@ -211,7 +232,7 @@ describe "C-API String function" do describe "rb_usascii_str_new" do it "creates a new String with US-ASCII Encoding from a char buffer of len characters" do - str = "abc".force_encoding("us-ascii") + str = "abc".dup.force_encoding("us-ascii") result = @s.rb_usascii_str_new("abcdef", 3) result.should == str result.encoding.should == Encoding::US_ASCII @@ -227,14 +248,14 @@ describe "C-API String function" do it "returns US-ASCII string for non-US-ASCII string literal" do str = @s.rb_usascii_str_new_lit_non_ascii - str.should == "r\xC3\xA9sum\xC3\xA9".force_encoding(Encoding::US_ASCII) + str.should == "r\xC3\xA9sum\xC3\xA9".dup.force_encoding(Encoding::US_ASCII) str.encoding.should == Encoding::US_ASCII end end describe "rb_usascii_str_new_cstr" do it "creates a new String with US-ASCII Encoding" do - str = "abc".force_encoding("us-ascii") + str = "abc".dup.force_encoding("us-ascii") result = @s.rb_usascii_str_new_cstr("abc") result.should == str result.encoding.should == Encoding::US_ASCII @@ -335,24 +356,6 @@ describe "C-API String function" do end end - ruby_version_is ''...'2.7' do - describe "rb_tainted_str_new" do - it "creates a new tainted String" do - newstring = @s.rb_tainted_str_new("test", 4) - newstring.should == "test" - newstring.tainted?.should be_true - end - end - - describe "rb_tainted_str_new2" do - it "creates a new tainted String" do - newstring = @s.rb_tainted_str_new2("test") - newstring.should == "test" - newstring.tainted?.should be_true - end - end - end - describe "rb_str_append" do it "appends a string to another string" do @s.rb_str_append("Hello", " Goodbye").should == "Hello Goodbye" @@ -378,6 +381,14 @@ describe "C-API String function" do it_behaves_like :string_times, :rb_str_times, -> str, times { @s.rb_str_times(str, times) } end + describe "rb_str_buf_append" do + it "concatenates a string to another string" do + str = "Your house " + @s.rb_str_buf_append(str, "is on fire?").should.equal?(str) + str.should == "Your house is on fire?" + end + end + describe "rb_str_buf_cat" do it "concatenates a C string to a ruby string" do @s.rb_str_buf_cat("Your house is on fire").should == "Your house is on fire?" @@ -408,7 +419,7 @@ describe "C-API String function" do describe "rb_enc_str_buf_cat" do it "concatenates a C string literal to a ruby string with the given encoding" do - input = "hello ".force_encoding(Encoding::US_ASCII) + input = "hello ".dup.force_encoding(Encoding::US_ASCII) result = @s.rb_enc_str_buf_cat(input, "résumé", Encoding::UTF_8) result.should == "hello résumé" result.encoding.should == Encoding::UTF_8 @@ -488,29 +499,10 @@ describe "C-API String function" do end end - describe "rb_fstring" do - it 'returns self if the String is frozen' do - input = 'foo'.freeze - output = @s.rb_fstring(input) - - output.should equal(input) - output.should.frozen? - end - - it 'returns a frozen copy if the String is not frozen' do - input = 'foo' - output = @s.rb_fstring(input) - - output.should.frozen? - output.should_not equal(input) - output.should == 'foo' - end - end - describe "rb_str_subseq" do it "returns a byte-indexed substring" do - str = "\x00\x01\x02\x03\x04".force_encoding("binary") - @s.rb_str_subseq(str, 1, 2).should == "\x01\x02".force_encoding("binary") + str = "\x00\x01\x02\x03\x04".dup.force_encoding("binary") + @s.rb_str_subseq(str, 1, 2).should == "\x01\x02".dup.force_encoding("binary") end end @@ -603,9 +595,17 @@ describe "C-API String function" do filename = fixture(__FILE__, "read.txt") str = "" capacities = @s.RSTRING_PTR_read(str, filename) - capacities.should == [30, 53] + capacities[0].should >= 30 + capacities[1].should >= 53 + capacities[0].should < capacities[1] str.should == "fixture file contents to test read() with RSTRING_PTR" end + + it "terminates the string with at least (encoding min length) \\0 bytes" do + @s.RSTRING_PTR_null_terminate("abc", 1).should == "\x00" + @s.RSTRING_PTR_null_terminate("abc".encode("UTF-16BE"), 2).should == "\x00\x00" + @s.RSTRING_PTR_null_terminate("abc".encode("UTF-32BE"), 4).should == "\x00\x00\x00\x00" + end end describe "RSTRING_LEN" do @@ -655,22 +655,6 @@ describe "C-API String function" do end describe "SafeStringValue" do - ruby_version_is ''...'2.7' do - it "raises for tained string when $SAFE is 1" do - begin - Thread.new { - $SAFE = 1 - -> { - @s.SafeStringValue("str".taint) - }.should raise_error(SecurityError) - }.join - ensure - $SAFE = 0 - end - end - - it_behaves_like :string_value_macro, :SafeStringValue - end end describe "rb_str_modify" do @@ -682,27 +666,27 @@ describe "C-API String function" do describe "rb_str_modify_expand" do it "grows the capacity to bytesize + expand, not changing the bytesize" do str = @s.rb_str_buf_new(256, "abcd") - @s.rb_str_capacity(str).should == 256 + @s.rb_str_capacity(str).should >= 256 @s.rb_str_set_len(str, 3) str.bytesize.should == 3 @s.RSTRING_LEN(str).should == 3 - @s.rb_str_capacity(str).should == 256 + @s.rb_str_capacity(str).should >= 256 @s.rb_str_modify_expand(str, 4) str.bytesize.should == 3 @s.RSTRING_LEN(str).should == 3 - @s.rb_str_capacity(str).should == 7 + @s.rb_str_capacity(str).should >= 7 @s.rb_str_modify_expand(str, 1024) str.bytesize.should == 3 @s.RSTRING_LEN(str).should == 3 - @s.rb_str_capacity(str).should == 1027 + @s.rb_str_capacity(str).should >= 1027 @s.rb_str_modify_expand(str, 1) str.bytesize.should == 3 @s.RSTRING_LEN(str).should == 3 - @s.rb_str_capacity(str).should == 4 + @s.rb_str_capacity(str).should >= 4 end it "raises an error if the string is frozen" do @@ -729,7 +713,7 @@ describe "C-API String function" do end it "increases the size of the string" do - expected = "test".force_encoding("US-ASCII") + expected = "test".dup.force_encoding("US-ASCII") str = @s.rb_str_resize(expected.dup, 12) str.size.should == 12 str.bytesize.should == 12 @@ -800,12 +784,6 @@ describe :rb_external_str_new, shared: true do x80 = [0x80].pack('C') @s.send(@method, "#{x80}abc").encoding.should == Encoding::BINARY end - - ruby_version_is ''...'2.7' do - it "returns a tainted String" do - @s.send(@method, "abc").tainted?.should be_true - end - end end describe "C-API String function" do @@ -866,11 +844,11 @@ describe "C-API String function" do # it "transcodes a String to Encoding.default_internal if it is set" do # Encoding.default_internal = Encoding::EUC_JP # -# - a = "\xE3\x81\x82\xe3\x82\x8c".force_encoding("utf-8") +# - a = "\xE3\x81\x82\xe3\x82\x8c".dup.force_encoding("utf-8") # + a = [0xE3, 0x81, 0x82, 0xe3, 0x82, 0x8c].pack('C6').force_encoding("utf-8") # s = @s.rb_external_str_new_with_enc(a, a.bytesize, Encoding::UTF_8) # - -# - s.should == "\xA4\xA2\xA4\xEC".force_encoding("euc-jp") +# - s.should == "\xA4\xA2\xA4\xEC".dup.force_encoding("euc-jp") # + x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4')#.force_encoding('binary') # + s.should == x # s.encoding.should equal(Encoding::EUC_JP) @@ -885,19 +863,12 @@ describe "C-API String function" do s.should == x s.encoding.should equal(Encoding::EUC_JP) end - - ruby_version_is ''...'2.7' do - it "returns a tainted String" do - s = @s.rb_external_str_new_with_enc("abc", 3, Encoding::US_ASCII) - s.tainted?.should be_true - end - end end describe "rb_locale_str_new" do it "returns a String with 'locale' encoding" do s = @s.rb_locale_str_new("abc", 3) - s.should == "abc".force_encoding(Encoding.find("locale")) + s.should == "abc".dup.force_encoding(Encoding.find("locale")) s.encoding.should equal(Encoding.find("locale")) end end @@ -905,14 +876,14 @@ describe "C-API String function" do describe "rb_locale_str_new_cstr" do it "returns a String with 'locale' encoding" do s = @s.rb_locale_str_new_cstr("abc") - s.should == "abc".force_encoding(Encoding.find("locale")) + s.should == "abc".dup.force_encoding(Encoding.find("locale")) s.encoding.should equal(Encoding.find("locale")) end end describe "rb_str_conv_enc" do it "returns the original String when to encoding is not specified" do - a = "abc".force_encoding("us-ascii") + a = "abc".dup.force_encoding("us-ascii") @s.rb_str_conv_enc(a, Encoding::US_ASCII, nil).should equal(a) end @@ -922,7 +893,7 @@ describe "C-API String function" do end it "returns a transcoded String" do - a = "\xE3\x81\x82\xE3\x82\x8C".force_encoding("utf-8") + a = "\xE3\x81\x82\xE3\x82\x8C".dup.force_encoding("utf-8") result = @s.rb_str_conv_enc(a, Encoding::UTF_8, Encoding::EUC_JP) x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4').force_encoding('utf-8') result.should == x.force_encoding("euc-jp") @@ -931,7 +902,7 @@ describe "C-API String function" do describe "when the String encoding is equal to the destination encoding" do it "returns the original String" do - a = "abc".force_encoding("us-ascii") + a = "abc".dup.force_encoding("us-ascii") @s.rb_str_conv_enc(a, Encoding::US_ASCII, Encoding::US_ASCII).should equal(a) end @@ -941,7 +912,7 @@ describe "C-API String function" do end it "returns the origin String if the destination encoding is BINARY" do - a = "abc".force_encoding("binary") + a = "abc".dup.force_encoding("binary") @s.rb_str_conv_enc(a, Encoding::US_ASCII, Encoding::BINARY).should equal(a) end end @@ -949,7 +920,7 @@ describe "C-API String function" do describe "rb_str_conv_enc_opts" do it "returns the original String when to encoding is not specified" do - a = "abc".force_encoding("us-ascii") + a = "abc".dup.force_encoding("us-ascii") @s.rb_str_conv_enc_opts(a, Encoding::US_ASCII, nil, 0, nil).should equal(a) end @@ -960,7 +931,7 @@ describe "C-API String function" do end it "returns a transcoded String" do - a = "\xE3\x81\x82\xE3\x82\x8C".force_encoding("utf-8") + a = "\xE3\x81\x82\xE3\x82\x8C".dup.force_encoding("utf-8") result = @s.rb_str_conv_enc_opts(a, Encoding::UTF_8, Encoding::EUC_JP, 0, nil) x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4').force_encoding('utf-8') result.should == x.force_encoding("euc-jp") @@ -969,7 +940,7 @@ describe "C-API String function" do describe "when the String encoding is equal to the destination encoding" do it "returns the original String" do - a = "abc".force_encoding("us-ascii") + a = "abc".dup.force_encoding("us-ascii") @s.rb_str_conv_enc_opts(a, Encoding::US_ASCII, Encoding::US_ASCII, 0, nil).should equal(a) end @@ -981,7 +952,7 @@ describe "C-API String function" do end it "returns the origin String if the destination encoding is BINARY" do - a = "abc".force_encoding("binary") + a = "abc".dup.force_encoding("binary") @s.rb_str_conv_enc_opts(a, Encoding::US_ASCII, Encoding::BINARY, 0, nil).should equal(a) end @@ -999,7 +970,7 @@ describe "C-API String function" do describe "rb_str_export_locale" do it "returns the original String with the locale encoding" do s = @s.rb_str_export_locale("abc") - s.should == "abc".force_encoding(Encoding.find("locale")) + s.should == "abc".dup.force_encoding(Encoding.find("locale")) s.encoding.should equal(Encoding.find("locale")) end end @@ -1051,9 +1022,56 @@ end @s.rb_sprintf3(true.class).should == s end - it "formats a TrueClass VALUE as 'true' if sign specified in format" do - s = 'Result: true.' - @s.rb_sprintf4(true.class).should == s + ruby_bug "#19167", ""..."3.2" do + it "formats a TrueClass VALUE as 'true' if sign specified in format" do + s = 'Result: TrueClass.' + @s.rb_sprintf4(true.class).should == s + end + end + + it "truncates a string to a supplied precision if that is shorter than the string" do + s = 'Result: Hel.' + @s.rb_sprintf5(0, 3, "Hello").should == s + end + + it "does not truncates a string to a supplied precision if that is longer than the string" do + s = 'Result: Hello.' + @s.rb_sprintf5(0, 8, "Hello").should == s + end + + it "pads a string to a supplied width if that is longer than the string" do + s = 'Result: Hello.' + @s.rb_sprintf5(8, 5, "Hello").should == s + end + + it "truncates a VALUE string to a supplied precision if that is shorter than the VALUE string" do + s = 'Result: Hel.' + @s.rb_sprintf6(0, 3, "Hello").should == s + end + + it "does not truncates a VALUE string to a supplied precision if that is longer than the VALUE string" do + s = 'Result: Hello.' + @s.rb_sprintf6(0, 8, "Hello").should == s + end + + it "pads a VALUE string to a supplied width if that is longer than the VALUE string" do + s = 'Result: Hello.' + @s.rb_sprintf6(8, 5, "Hello").should == s + end + + it "can format a nil VALUE as a pointer and gives the same output as sprintf in C" do + res = @s.rb_sprintf7("%p", nil); + res[0].should == res[1] + end + + it "can format a string VALUE as a pointer and gives the same output as sprintf in C" do + res = @s.rb_sprintf7("%p", "Hello") + res[0].should == res[1] + end + + it "can format a raw number a pointer and gives the same output as sprintf in C" do + res = @s.rb_sprintf7("%p", 0x223643); + res[0].should == res[1] end end @@ -1164,4 +1182,94 @@ end str.should == "test fmt 41 6 number" end end + + describe "rb_str_locktmp" do + it "raises an error when trying to lock an already locked string" do + str = "test" + @s.rb_str_locktmp(str).should == str + -> { @s.rb_str_locktmp(str) }.should raise_error(RuntimeError, 'temporal locking already locked string') + end + + it "locks a string so that modifications would raise an error" do + str = "test" + @s.rb_str_locktmp(str).should == str + -> { str.upcase! }.should raise_error(RuntimeError, 'can\'t modify string; temporarily locked') + end + end + + describe "rb_str_unlocktmp" do + it "unlocks a locked string" do + str = "test" + @s.rb_str_locktmp(str) + @s.rb_str_unlocktmp(str).should == str + str.upcase!.should == "TEST" + end + + it "raises an error when trying to unlock an already unlocked string" do + -> { @s.rb_str_unlocktmp("test") }.should raise_error(RuntimeError, 'temporal unlocking already unlocked string') + end + end + + describe "rb_enc_interned_str_cstr" do + it "returns a frozen string" do + str = "hello" + val = @s.rb_enc_interned_str_cstr(str, Encoding::US_ASCII) + + val.should.is_a?(String) + val.encoding.should == Encoding::US_ASCII + val.should.frozen? + end + + it "returns the same frozen string" do + str = "hello" + result1 = @s.rb_enc_interned_str_cstr(str, Encoding::US_ASCII) + result2 = @s.rb_enc_interned_str_cstr(str, Encoding::US_ASCII) + result1.should.equal?(result2) + end + + it "returns different frozen strings for different encodings" do + str = "hello" + result1 = @s.rb_enc_interned_str_cstr(str, Encoding::US_ASCII) + result2 = @s.rb_enc_interned_str_cstr(str, Encoding::UTF_8) + result1.should_not.equal?(result2) + end + + it "returns the same string as String#-@" do + @s.rb_enc_interned_str_cstr("hello", Encoding::UTF_8).should.equal?(-"hello") + end + + ruby_bug "#20322", ""..."3.4" do + it "uses the default encoding if encoding is null" do + str = "hello" + val = @s.rb_enc_interned_str_cstr(str, nil) + val.encoding.should == Encoding::ASCII_8BIT + end + end + end + + describe "rb_str_to_interned_str" do + it "returns a frozen string" do + str = "hello" + result = @s.rb_str_to_interned_str(str) + result.should.is_a?(String) + result.should.frozen? + end + + it "returns the same frozen string" do + str = "hello" + result1 = @s.rb_str_to_interned_str(str) + result2 = @s.rb_str_to_interned_str(str) + result1.should.equal?(result2) + end + + it "returns different frozen strings for different encodings" do + result1 = @s.rb_str_to_interned_str("hello".dup.force_encoding(Encoding::US_ASCII)) + result2 = @s.rb_str_to_interned_str("hello".dup.force_encoding(Encoding::UTF_8)) + result1.should_not.equal?(result2) + end + + it "returns the same string as String#-@" do + @s.rb_str_to_interned_str("hello").should.equal?(-"hello") + end + end end |