Use Integer instead of Fixnum/Bignum

Author: nobu

CONTRIBUTING.md

@@ -8,7 +8,7 @@ Spec are grouped in 5 separate top-level groups:
 
 * `command_line`: for the ruby executable command-line flags (`-v`, `-e`, etc)
 * `language`: for the language keywords and syntax constructs (`if`, `def`, `A::B`, etc)
-* `core`: for the core methods (`Fixnum#+`, `String#upcase`, no need to require anything)
+* `core`: for the core methods (`Integer#+`, `String#upcase`, no need to require anything)
 * `library`: for the standard libraries methods (`CSV.new`, `YAML.parse`, need to require the stdlib)
 * `optional/capi`: for functions available to the Ruby C-extension API
 
@@ -89,7 +89,7 @@ File.should.equal?(File) # Calls #equal? (tests identity)
 Numeric.should be_ancestor_of(Float) # Float.ancestors.include?(Numeric)
 
 3.14.should.respond_to?(:to_i)
-Fixnum.should have_instance_method(:+)
+Integer.should have_instance_method(:+)
 Array.should have_method(:new)
 ```
 
@@ -124,8 +124,8 @@ If an exception is raised, it will fail the example anyway.
 
 ```ruby
 -> {
-  Fixnum
-}.should complain(/constant ::Fixnum is deprecated/) # Expect a warning
+  Integer
+}.should complain(/constant ::Integer is deprecated/) # Expect a warning
 ```
 
 ### Guards

command_line/dash_e_spec.rb

@@ -23,7 +23,7 @@
 
   #needs to test return => LocalJumpError
 
-  describe "with -n and a Fixnum range" do
+  describe "with -n and an Integer range" do
     before :each do
       @script = "-ne 'print if %s' #{fixture(__FILE__, "conditional_range.txt")}"
     end

core/argf/shared/fileno.rb

@@ -11,7 +11,7 @@
       # returns first current file even when not yet open
       result << @argf.send(@method) while @argf.gets
       # returns last current file even when closed
-      result.map { |d| d.class }.should == [Fixnum, Fixnum, Fixnum, Fixnum]
+      result.map { |d| d.class }.should == [Integer, Integer, Integer, Integer]
     end
   end
 

core/array/bsearch_index_spec.rb

@@ -77,7 +77,7 @@
         @array.bsearch_index { |x| (-1) * (2**100) }.should be_nil
       end
 
-      it "handles values from Bignum#coerce" do
+      it "handles values from Integer#coerce" do
         [1, 2].should include(@array.bsearch_index { |x| (2**100).coerce((1 - x / 4) * (2**100)).first })
       end
     end

core/array/first_spec.rb

@@ -33,7 +33,7 @@
     -> { [1, 2].first(-1) }.should raise_error(ArgumentError)
   end
 
-  it "raises a RangeError when count is a Bignum" do
+  it "raises a RangeError when count is an Integer" do
     -> { [].first(bignum_value) }.should raise_error(RangeError)
   end
 

core/array/fixtures/classes.rb

@@ -126,7 +126,7 @@ def self.compared?
     attr_accessor :order
   end
 
-  class ComparableWithFixnum
+  class ComparableWithInteger
     include Comparable
     def initialize(num)
       @num = num

core/array/hash_spec.rb

@@ -7,7 +7,7 @@
 
     [[], [1, 2, 3]].each do |ary|
       ary.hash.should == ary.dup.hash
-      ary.hash.should be_an_instance_of(Fixnum)
+      ary.hash.should be_an_instance_of(Integer)
     end
   end
 

core/array/sample_spec.rb

@@ -69,7 +69,7 @@
       obj = mock("array_sample_random")
       obj.should_receive(:rand).and_return(0.5)
 
-      [1, 2].sample(random: obj).should be_an_instance_of(Fixnum)
+      [1, 2].sample(random: obj).should be_an_instance_of(Integer)
     end
 
     it "raises a NoMethodError if an object passed for the RNG does not define #rand" do
@@ -78,8 +78,8 @@
       -> { [1, 2].sample(random: obj) }.should raise_error(NoMethodError)
     end
 
-    describe "when the object returned by #rand is a Fixnum" do
-      it "uses the fixnum as index" do
+    describe "when the object returned by #rand is an Integer" do
+      it "uses the integer as index" do
         random = mock("array_sample_random_ret")
         random.should_receive(:rand).and_return(0)
 
@@ -107,7 +107,7 @@
     end
   end
 
-  describe "when the object returned by #rand is not a Fixnum but responds to #to_int" do
+  describe "when the object returned by #rand is not an Integer but responds to #to_int" do
     it "calls #to_int on the Object" do
       value = mock("array_sample_random_value")
       value.should_receive(:to_int).and_return(1)

core/array/shared/slice.rb

@@ -486,7 +486,7 @@ def to.to_int() -2 end
     end
   end
 
-  it "raises a RangeError when the start index is out of range of Fixnum" do
+  it "raises a RangeError when the start index is out of range of Integer" do
     array = [1, 2, 3, 4, 5, 6]
     obj = mock('large value')
     obj.should_receive(:to_int).and_return(bignum_value)
@@ -502,7 +502,7 @@ def to.to_int() -2 end
     array.send(@method, max_long.to_f.prev_float).should == nil
   end
 
-  it "raises a RangeError when the length is out of range of Fixnum" do
+  it "raises a RangeError when the length is out of range of Integer" do
     array = [1, 2, 3, 4, 5, 6]
     obj = mock('large value')
     obj.should_receive(:to_int).and_return(bignum_value)

core/array/shared/union.rb

@@ -31,7 +31,7 @@
     [0].send(@method, obj).should == ([0] | [1, 2, 3])
   end
 
-  # MRI follows hashing semantics here, so doesn't actually call eql?/hash for Fixnum/Symbol
+  # MRI follows hashing semantics here, so doesn't actually call eql?/hash for Integer/Symbol
   it "acts as if using an intermediate hash to collect values" do
     not_supported_on :opal do
       [5.0, 4.0].send(@method, [5, 4]).should == [5.0, 4.0, 5, 4]