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-rw-r--r--spec/ruby/optional/capi/string_spec.rb165
1 files changed, 122 insertions, 43 deletions
diff --git a/spec/ruby/optional/capi/string_spec.rb b/spec/ruby/optional/capi/string_spec.rb
index 7ad4d10ee4..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)
@@ -205,7 +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
@@ -221,14 +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
@@ -392,7 +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
@@ -472,29 +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
@@ -592,6 +600,12 @@ describe "C-API String function" do
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
@@ -699,7 +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
@@ -830,11 +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)
@@ -854,7 +868,7 @@ describe "C-API String function" do
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
@@ -862,14 +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
@@ -879,7 +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")
@@ -888,7 +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
@@ -898,7 +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
@@ -906,7 +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
@@ -917,7 +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")
@@ -926,7 +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
@@ -938,7 +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
@@ -956,7 +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
@@ -1008,9 +1022,11 @@ 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
@@ -1193,4 +1209,67 @@ end
-> { @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
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