diff options
Diffstat (limited to 'spec/ruby/language/predefined_spec.rb')
| -rw-r--r-- | spec/ruby/language/predefined_spec.rb | 507 |
1 files changed, 296 insertions, 211 deletions
diff --git a/spec/ruby/language/predefined_spec.rb b/spec/ruby/language/predefined_spec.rb index 24a8cf2f67..ac28f1e8a0 100644 --- a/spec/ruby/language/predefined_spec.rb +++ b/spec/ruby/language/predefined_spec.rb @@ -7,37 +7,33 @@ require 'stringio' # Entries marked [r/o] are read-only and an error will be raised of the program attempts to # modify them. Entries marked [thread] are thread local. -=begin -Exception Information ---------------------------------------------------------------------------------------------------- - -$! Exception The exception object passed to raise. [thread] -$@ Array The stack backtrace generated by the last exception. [thread] -=end - -=begin -Pattern Matching Variables ---------------------------------------------------------------------------------------------------- - -These variables are set to nil after an unsuccessful pattern match. - -$& String The string matched (following a successful pattern match). This variable is - local to the current scope. [r/o, thread] -$+ String The contents of the highest-numbered group matched following a successful - pattern match. Thus, in "cat" =~/(c|a)(t|z)/, $+ will be set to “t”. This - variable is local to the current scope. [r/o, thread] -$` String The string preceding the match in a successful pattern match. This variable - is local to the current scope. [r/o, thread] -$' String The string following the match in a successful pattern match. This variable - is local to the current scope. [r/o, thread] -$1 to $<N> String The contents of successive groups matched in a successful pattern match. In - "cat" =~/(c|a)(t|z)/, $1 will be set to “a” and $2 to “t”. This variable - is local to the current scope. [r/o, thread] -$~ MatchData An object that encapsulates the results of a successful pattern match. The - variables $&, $`, $', and $1 to $<N> are all derived from $~. Assigning to $~ - changes the values of these derived variables. This variable is local to the - current scope. [thread] -=end +# Exception Information +# --------------------------------------------------------------------------------------------------- +# +# $! Exception The exception object passed to raise. [thread] +# $@ Array The stack backtrace generated by the last exception. [thread] + +# Pattern Matching Variables +# --------------------------------------------------------------------------------------------------- +# +# These variables are set to nil after an unsuccessful pattern match. +# +# $& String The string matched (following a successful pattern match). This variable is +# local to the current scope. [r/o, thread] +# $+ String The contents of the highest-numbered group matched following a successful +# pattern match. Thus, in "cat" =~/(c|a)(t|z)/, $+ will be set to “t”. This +# variable is local to the current scope. [r/o, thread] +# $` String The string preceding the match in a successful pattern match. This variable +# is local to the current scope. [r/o, thread] +# $' String The string following the match in a successful pattern match. This variable +# is local to the current scope. [r/o, thread] +# $1 to $<N> String The contents of successive groups matched in a successful pattern match. In +# "cat" =~/(c|a)(t|z)/, $1 will be set to “a” and $2 to “t”. This variable +# is local to the current scope. [r/o, thread] +# $~ MatchData An object that encapsulates the results of a successful pattern match. The +# variables $&, $`, $', and $1 to $<N> are all derived from $~. Assigning to $~ +# changes the values of these derived variables. This variable is local to the +# current scope. [thread] describe "Predefined global $~" do @@ -137,7 +133,7 @@ describe "Predefined global $&" do end it "sets the encoding to the encoding of the source String" do - "abc".force_encoding(Encoding::EUC_JP) =~ /b/ + "abc".dup.force_encoding(Encoding::EUC_JP) =~ /b/ $&.encoding.should equal(Encoding::EUC_JP) end end @@ -150,12 +146,12 @@ describe "Predefined global $`" do end it "sets the encoding to the encoding of the source String" do - "abc".force_encoding(Encoding::EUC_JP) =~ /b/ + "abc".dup.force_encoding(Encoding::EUC_JP) =~ /b/ $`.encoding.should equal(Encoding::EUC_JP) end it "sets an empty result to the encoding of the source String" do - "abc".force_encoding(Encoding::ISO_8859_1) =~ /a/ + "abc".dup.force_encoding(Encoding::ISO_8859_1) =~ /a/ $`.encoding.should equal(Encoding::ISO_8859_1) end end @@ -168,12 +164,12 @@ describe "Predefined global $'" do end it "sets the encoding to the encoding of the source String" do - "abc".force_encoding(Encoding::EUC_JP) =~ /b/ + "abc".dup.force_encoding(Encoding::EUC_JP) =~ /b/ $'.encoding.should equal(Encoding::EUC_JP) end it "sets an empty result to the encoding of the source String" do - "abc".force_encoding(Encoding::ISO_8859_1) =~ /c/ + "abc".dup.force_encoding(Encoding::ISO_8859_1) =~ /c/ $'.encoding.should equal(Encoding::ISO_8859_1) end end @@ -191,7 +187,7 @@ describe "Predefined global $+" do end it "sets the encoding to the encoding of the source String" do - "abc".force_encoding(Encoding::EUC_JP) =~ /(b)/ + "abc".dup.force_encoding(Encoding::EUC_JP) =~ /(b)/ $+.encoding.should equal(Encoding::EUC_JP) end end @@ -218,7 +214,7 @@ describe "Predefined globals $1..N" do end it "sets the encoding to the encoding of the source String" do - "abc".force_encoding(Encoding::EUC_JP) =~ /(b)/ + "abc".dup.force_encoding(Encoding::EUC_JP) =~ /(b)/ $1.encoding.should equal(Encoding::EUC_JP) end end @@ -506,41 +502,39 @@ describe "Predefined global $!" do end end -=begin -Input/Output Variables ---------------------------------------------------------------------------------------------------- - -$/ String The input record separator (newline by default). This is the value that rou- - tines such as Kernel#gets use to determine record boundaries. If set to - nil, gets will read the entire file. -$-0 String Synonym for $/. -$\ String The string appended to the output of every call to methods such as - Kernel#print and IO#write. The default value is nil. -$, String The separator string output between the parameters to methods such as - Kernel#print and Array#join. Defaults to nil, which adds no text. -$. Integer The number of the last line read from the current input file. -$; String The default separator pattern used by String#split. May be set from the - command line using the -F flag. -$< Object An object that provides access to the concatenation of the contents of all - the files given as command-line arguments or $stdin (in the case where - there are no arguments). $< supports methods similar to a File object: - binmode, close, closed?, each, each_byte, each_line, eof, eof?, - file, filename, fileno, getc, gets, lineno, lineno=, path, pos, pos=, - read, readchar, readline, readlines, rewind, seek, skip, tell, to_a, - to_i, to_io, to_s, along with the methods in Enumerable. The method - file returns a File object for the file currently being read. This may change - as $< reads through the files on the command line. [r/o] -$> IO The destination of output for Kernel#print and Kernel#printf. The - default value is $stdout. -$_ String The last line read by Kernel#gets or Kernel#readline. Many string- - related functions in the Kernel module operate on $_ by default. The vari- - able is local to the current scope. [thread] -$-F String Synonym for $;. -$stderr IO The current standard error output. -$stdin IO The current standard input. -$stdout IO The current standard output. Assignment to $stdout is deprecated: use - $stdout.reopen instead. -=end +# Input/Output Variables +# --------------------------------------------------------------------------------------------------- +# +# $/ String The input record separator (newline by default). This is the value that rou- +# tines such as Kernel#gets use to determine record boundaries. If set to +# nil, gets will read the entire file. +# $-0 String Synonym for $/. +# $\ String The string appended to the output of every call to methods such as +# Kernel#print and IO#write. The default value is nil. +# $, String The separator string output between the parameters to methods such as +# Kernel#print and Array#join. Defaults to nil, which adds no text. +# $. Integer The number of the last line read from the current input file. +# $; String The default separator pattern used by String#split. May be set from the +# command line using the -F flag. +# $< Object An object that provides access to the concatenation of the contents of all +# the files given as command-line arguments or $stdin (in the case where +# there are no arguments). $< supports methods similar to a File object: +# binmode, close, closed?, each, each_byte, each_line, eof, eof?, +# file, filename, fileno, getc, gets, lineno, lineno=, path, pos, pos=, +# read, readchar, readline, readlines, rewind, seek, skip, tell, to_a, +# to_i, to_io, to_s, along with the methods in Enumerable. The method +# file returns a File object for the file currently being read. This may change +# as $< reads through the files on the command line. [r/o] +# $> IO The destination of output for Kernel#print and Kernel#printf. The +# default value is $stdout. +# $_ String The last line read by Kernel#gets or Kernel#readline. Many string- +# related functions in the Kernel module operate on $_ by default. The vari- +# able is local to the current scope. [thread] +# $-F String Synonym for $;. +# $stderr IO The current standard error output. +# $stdin IO The current standard input. +# $stdout IO The current standard output. Assignment to $stdout is deprecated: use +# $stdout.reopen instead. describe "Predefined global $/" do before :each do @@ -570,7 +564,6 @@ describe "Predefined global $/" do ($/ = "xyz").should == "xyz" end - it "changes $-0" do $/ = "xyz" $-0.should equal($/) @@ -641,6 +634,45 @@ describe "Predefined global $-0" do end end +describe "Predefined global $\\" do + before :each do + @verbose, $VERBOSE = $VERBOSE, nil + @dollar_backslash = $\ + end + + after :each do + $\ = @dollar_backslash + $VERBOSE = @verbose + end + + it "can be assigned a String" do + str = "abc" + $\ = str + $\.should equal(str) + end + + it "can be assigned nil" do + $\ = nil + $\.should be_nil + end + + it "returns the value assigned" do + ($\ = "xyz").should == "xyz" + end + + it "does not call #to_str to convert the object to a String" do + obj = mock("$\\ value") + obj.should_not_receive(:to_str) + + -> { $\ = obj }.should raise_error(TypeError) + end + + it "raises a TypeError if assigned not String" do + -> { $\ = 1 }.should raise_error(TypeError) + -> { $\ = true }.should raise_error(TypeError) + end +end + describe "Predefined global $," do after :each do $, = nil @@ -654,10 +686,8 @@ describe "Predefined global $," do -> { $, = Object.new }.should raise_error(TypeError) end - ruby_version_is "2.7" do - it "warns if assigned non-nil" do - -> { $, = "_" }.should complain(/warning: `\$,' is deprecated/) - end + it "warns if assigned non-nil" do + -> { $, = "_" }.should complain(/warning: [`']\$,' is deprecated/) end end @@ -693,10 +723,8 @@ describe "Predefined global $;" do $; = nil end - ruby_version_is "2.7" do - it "warns if assigned non-nil" do - -> { $; = "_" }.should complain(/warning: `\$;' is deprecated/) - end + it "warns if assigned non-nil" do + -> { $; = "_" }.should complain(/warning: [`']\$;' is deprecated/) end end @@ -769,54 +797,52 @@ describe "Predefined global $_" do end end -=begin -Execution Environment Variables ---------------------------------------------------------------------------------------------------- - -$0 String The name of the top-level Ruby program being executed. Typically this will - be the program’s filename. On some operating systems, assigning to this - variable will change the name of the process reported (for example) by the - ps(1) command. -$* Array An array of strings containing the command-line options from the invoca- - tion of the program. Options used by the Ruby interpreter will have been - removed. [r/o] -$" Array An array containing the filenames of modules loaded by require. [r/o] -$$ Integer The process number of the program being executed. [r/o] -$? Process::Status The exit status of the last child process to terminate. [r/o, thread] -$: Array An array of strings, where each string specifies a directory to be searched for - Ruby scripts and binary extensions used by the load and require methods. - The initial value is the value of the arguments passed via the -I command- - line option, followed by an installation-defined standard library location, fol- - lowed by the current directory (“.”). This variable may be set from within a - program to alter the default search path; typically, programs use $: << dir - to append dir to the path. [r/o] -$-a Object True if the -a option is specified on the command line. [r/o] -$-d Object Synonym for $DEBUG. -$DEBUG Object Set to true if the -d command-line option is specified. -__FILE__ String The name of the current source file. [r/o] -$F Array The array that receives the split input line if the -a command-line option is - used. -$FILENAME String The name of the current input file. Equivalent to $<.filename. [r/o] -$-i String If in-place edit mode is enabled (perhaps using the -i command-line - option), $-i holds the extension used when creating the backup file. If you - set a value into $-i, enables in-place edit mode. -$-I Array Synonym for $:. [r/o] -$-K String Sets the multibyte coding system for strings and regular expressions. Equiv- - alent to the -K command-line option. -$-l Object Set to true if the -l option (which enables line-end processing) is present - on the command line. [r/o] -__LINE__ String The current line number in the source file. [r/o] -$LOAD_PATH Array A synonym for $:. [r/o] -$-p Object Set to true if the -p option (which puts an implicit while gets . . . end - loop around your program) is present on the command line. [r/o] -$VERBOSE Object Set to true if the -v, --version, -W, or -w option is specified on the com- - mand line. Set to false if no option, or -W1 is given. Set to nil if -W0 - was specified. Setting this option to true causes the interpreter and some - library routines to report additional information. Setting to nil suppresses - all warnings (including the output of Kernel.warn). -$-v Object Synonym for $VERBOSE. -$-w Object Synonym for $VERBOSE. -=end +# Execution Environment Variables +# --------------------------------------------------------------------------------------------------- +# +# $0 String The name of the top-level Ruby program being executed. Typically this will +# be the program’s filename. On some operating systems, assigning to this +# variable will change the name of the process reported (for example) by the +# ps(1) command. +# $* Array An array of strings containing the command-line options from the invoca- +# tion of the program. Options used by the Ruby interpreter will have been +# removed. [r/o] +# $" Array An array containing the filenames of modules loaded by require. [r/o] +# $$ Integer The process number of the program being executed. [r/o] +# $? Process::Status The exit status of the last child process to terminate. [r/o, thread] +# $: Array An array of strings, where each string specifies a directory to be searched for +# Ruby scripts and binary extensions used by the load and require methods. +# The initial value is the value of the arguments passed via the -I command- +# line option, followed by an installation-defined standard library location, fol- +# lowed by the current directory (“.”). This variable may be set from within a +# program to alter the default search path; typically, programs use $: << dir +# to append dir to the path. [r/o] +# $-a Object True if the -a option is specified on the command line. [r/o] +# $-d Object Synonym for $DEBUG. +# $DEBUG Object Set to true if the -d command-line option is specified. +# __FILE__ String The name of the current source file. [r/o] +# $F Array The array that receives the split input line if the -a command-line option is +# used. +# $FILENAME String The name of the current input file. Equivalent to $<.filename. [r/o] +# $-i String If in-place edit mode is enabled (perhaps using the -i command-line +# option), $-i holds the extension used when creating the backup file. If you +# set a value into $-i, enables in-place edit mode. +# $-I Array Synonym for $:. [r/o] +# $-K String Sets the multibyte coding system for strings and regular expressions. Equiv- +# alent to the -K command-line option. +# $-l Object Set to true if the -l option (which enables line-end processing) is present +# on the command line. [r/o] +# __LINE__ String The current line number in the source file. [r/o] +# $LOAD_PATH Array A synonym for $:. [r/o] +# $-p Object Set to true if the -p option (which puts an implicit while gets . . . end +# loop around your program) is present on the command line. [r/o] +# $VERBOSE Object Set to true if the -v, --version, -W, or -w option is specified on the com- +# mand line. Set to false if no option, or -W1 is given. Set to nil if -W0 +# was specified. Setting this option to true causes the interpreter and some +# library routines to report additional information. Setting to nil suppresses +# all warnings (including the output of Kernel.warn). +# $-v Object Synonym for $VERBOSE. +# $-w Object Synonym for $VERBOSE. describe "Execution variable $:" do it "is initialized to an array of strings" do $:.is_a?(Array).should == true @@ -835,6 +861,8 @@ describe "Execution variable $:" do it "can be changed via <<" do $: << "foo" $:.should include("foo") + ensure + $:.delete("foo") end it "is read-only" do @@ -850,6 +878,16 @@ describe "Execution variable $:" do $-I = [] }.should raise_error(NameError) end + + it "default $LOAD_PATH entries until sitelibdir included have @gem_prelude_index set" do + skip "no sense in ruby itself" if MSpecScript.instance_variable_defined?(:@testing_ruby) + + $:.should.include?(RbConfig::CONFIG['sitelibdir']) + idx = $:.index(RbConfig::CONFIG['sitelibdir']) + + $:[idx..-1].all? { |p| p.instance_variable_defined?(:@gem_prelude_index) }.should be_true + $:[0...idx].all? { |p| !p.instance_variable_defined?(:@gem_prelude_index) }.should be_true + end end describe "Global variable $\"" do @@ -941,6 +979,10 @@ describe "Global variable $VERBOSE" do $VERBOSE = @verbose end + it "is false by default" do + $VERBOSE.should be_false + end + it "converts truthy values to true" do [true, 1, 0, [], ""].each do |true_value| $VERBOSE = true_value @@ -995,7 +1037,7 @@ describe "Global variable $0" do it "is the path given as the main script and the same as __FILE__" do script = "fixtures/dollar_zero.rb" - Dir.chdir(File.dirname(__FILE__)) do + Dir.chdir(__dir__) do ruby_exe(script).should == "#{script}\n#{script}\nOK" end end @@ -1022,22 +1064,20 @@ describe "Global variable $0" do end end -=begin -Standard Objects ---------------------------------------------------------------------------------------------------- - -ARGF Object A synonym for $<. -ARGV Array A synonym for $*. -ENV Object A hash-like object containing the program’s environment variables. An - instance of class Object, ENV implements the full set of Hash methods. Used - to query and set the value of an environment variable, as in ENV["PATH"] - and ENV["term"]="ansi". -false FalseClass Singleton instance of class FalseClass. [r/o] -nil NilClass The singleton instance of class NilClass. The value of uninitialized - instance and global variables. [r/o] -self Object The receiver (object) of the current method. [r/o] -true TrueClass Singleton instance of class TrueClass. [r/o] -=end +# Standard Objects +# --------------------------------------------------------------------------------------------------- +# +# ARGF Object A synonym for $<. +# ARGV Array A synonym for $*. +# ENV Object A hash-like object containing the program’s environment variables. An +# instance of class Object, ENV implements the full set of Hash methods. Used +# to query and set the value of an environment variable, as in ENV["PATH"] +# and ENV["term"]="ansi". +# false FalseClass Singleton instance of class FalseClass. [r/o] +# nil NilClass The singleton instance of class NilClass. The value of uninitialized +# instance and global variables. [r/o] +# self Object The receiver (object) of the current method. [r/o] +# true TrueClass Singleton instance of class TrueClass. [r/o] describe "The predefined standard objects" do it "includes ARGF" do @@ -1090,35 +1130,54 @@ describe "The self pseudo-variable" do end end -=begin -Global Constants ---------------------------------------------------------------------------------------------------- - -The following constants are defined by the Ruby interpreter. - -DATA IO If the main program file contains the directive __END__, then - the constant DATA will be initialized so that reading from it will - return lines following __END__ from the source file. -RUBY_PLATFORM String The identifier of the platform running this program. This string - is in the same form as the platform identifier used by the GNU - configure utility (which is not a coincidence). -RUBY_RELEASE_DATE String The date of this release. -RUBY_VERSION String The version number of the interpreter. -STDERR IO The actual standard error stream for the program. The initial - value of $stderr. -STDIN IO The actual standard input stream for the program. The initial - value of $stdin. -STDOUT IO The actual standard output stream for the program. The initial - value of $stdout. -SCRIPT_LINES__ Hash If a constant SCRIPT_LINES__ is defined and references a Hash, - Ruby will store an entry containing the contents of each file it - parses, with the file’s name as the key and an array of strings as - the value. -TOPLEVEL_BINDING Binding A Binding object representing the binding at Ruby’s top level— - the level where programs are initially executed. -=end +# Global Constants +# --------------------------------------------------------------------------------------------------- +# +# The following constants are defined by the Ruby interpreter. +# +# DATA IO If the main program file contains the directive __END__, then +# the constant DATA will be initialized so that reading from it will +# return lines following __END__ from the source file. +# FALSE FalseClass Synonym for false (deprecated, removed in Ruby 3). +# NIL NilClass Synonym for nil (deprecated, removed in Ruby 3). +# RUBY_PLATFORM String The identifier of the platform running this program. This string +# is in the same form as the platform identifier used by the GNU +# configure utility (which is not a coincidence). +# RUBY_RELEASE_DATE String The date of this release. +# RUBY_VERSION String The version number of the interpreter. +# STDERR IO The actual standard error stream for the program. The initial +# value of $stderr. +# STDIN IO The actual standard input stream for the program. The initial +# value of $stdin. +# STDOUT IO The actual standard output stream for the program. The initial +# value of $stdout. +# SCRIPT_LINES__ Hash If a constant SCRIPT_LINES__ is defined and references a Hash, +# Ruby will store an entry containing the contents of each file it +# parses, with the file’s name as the key and an array of strings as +# the value. +# TOPLEVEL_BINDING Binding A Binding object representing the binding at Ruby’s top level— +# the level where programs are initially executed. +# TRUE TrueClass Synonym for true (deprecated, removed in Ruby 3). describe "The predefined global constants" do + describe "TRUE" do + it "is no longer defined" do + Object.const_defined?(:TRUE).should == false + end + end + + describe "FALSE" do + it "is no longer defined" do + Object.const_defined?(:FALSE).should == false + end + end + + describe "NIL" do + it "is no longer defined" do + Object.const_defined?(:NIL).should == false + end + end + it "includes STDIN" do Object.const_defined?(:STDIN).should == true end @@ -1146,7 +1205,6 @@ describe "The predefined global constants" do it "includes TOPLEVEL_BINDING" do Object.const_defined?(:TOPLEVEL_BINDING).should == true end - end describe "The predefined global constant" do @@ -1161,13 +1219,24 @@ describe "The predefined global constant" do end describe "STDIN" do - it "has the same external encoding as Encoding.default_external" do - STDIN.external_encoding.should equal(Encoding.default_external) - end + platform_is_not :windows do + it "has the same external encoding as Encoding.default_external" do + STDIN.external_encoding.should equal(Encoding.default_external) + end + + it "has the same external encoding as Encoding.default_external when that encoding is changed" do + Encoding.default_external = Encoding::ISO_8859_16 + STDIN.external_encoding.should equal(Encoding::ISO_8859_16) + end - it "has the same external encoding as Encoding.default_external when that encoding is changed" do - Encoding.default_external = Encoding::ISO_8859_16 - STDIN.external_encoding.should equal(Encoding::ISO_8859_16) + it "has nil for the internal encoding" do + STDIN.internal_encoding.should be_nil + end + + it "has nil for the internal encoding despite Encoding.default_internal being changed" do + Encoding.default_internal = Encoding::IBM437 + STDIN.internal_encoding.should be_nil + end end it "has the encodings set by #set_encoding" do @@ -1182,15 +1251,6 @@ describe "The predefined global constant" do "p [STDIN.external_encoding.name, STDIN.internal_encoding.name]" ruby_exe(code).chomp.should == %{["IBM775", "IBM866"]} end - - it "has nil for the internal encoding" do - STDIN.internal_encoding.should be_nil - end - - it "has nil for the internal encoding despite Encoding.default_internal being changed" do - Encoding.default_internal = Encoding::IBM437 - STDIN.internal_encoding.should be_nil - end end describe "STDOUT" do @@ -1255,32 +1315,57 @@ describe "The predefined global constant" do end end -ruby_version_is "2.7" do - describe "$LOAD_PATH.resolve_feature_path" do - it "returns what will be loaded without actual loading, .rb file" do - extension, path = $LOAD_PATH.resolve_feature_path('set') - extension.should == :rb - path.should.end_with?('/set.rb') - end +describe "$LOAD_PATH.resolve_feature_path" do + it "returns what will be loaded without actual loading, .rb file" do + extension, path = $LOAD_PATH.resolve_feature_path('set') + extension.should == :rb + path.should.end_with?('/set.rb') + end - it "returns what will be loaded without actual loading, .so file" do - require 'rbconfig' + it "returns what will be loaded without actual loading, .so file" do + require 'rbconfig' + skip "no dynamically loadable standard extension" if RbConfig::CONFIG["EXTSTATIC"] == "static" - extension, path = $LOAD_PATH.resolve_feature_path('etc') - extension.should == :so - path.should.end_with?("/etc.#{RbConfig::CONFIG['DLEXT']}") - end + extension, path = $LOAD_PATH.resolve_feature_path('etc') + extension.should == :so + path.should.end_with?("/etc.#{RbConfig::CONFIG['DLEXT']}") + end - ruby_version_is "2.7"..."3.1" do - it "raises LoadError if feature cannot be found" do - -> { $LOAD_PATH.resolve_feature_path('noop') }.should raise_error(LoadError) - end + ruby_version_is ""..."3.1" do + it "raises LoadError if feature cannot be found" do + -> { $LOAD_PATH.resolve_feature_path('noop') }.should raise_error(LoadError) end + end - ruby_version_is "3.1" do - it "return nil if feature cannot be found" do - $LOAD_PATH.resolve_feature_path('noop').should be_nil - end + ruby_version_is "3.1" do + it "return nil if feature cannot be found" do + $LOAD_PATH.resolve_feature_path('noop').should be_nil end end end + +# Some other pre-defined global variables + +describe "Predefined global $=" do + before :each do + @verbose, $VERBOSE = $VERBOSE, nil + @dollar_assign = $= + end + + after :each do + $= = @dollar_assign + $VERBOSE = @verbose + end + + it "warns when accessed" do + -> { a = $= }.should complain(/is no longer effective/) + end + + it "warns when assigned" do + -> { $= = "_" }.should complain(/is no longer effective/) + end + + it "returns the value assigned" do + ($= = "xyz").should == "xyz" + end +end |