Update to ruby/spec@e829fb0

11 files changed, 143 insertions, 118 deletions

diff --git a/spec/ruby/core/complex/to_c_spec.rb b/spec/ruby/core/complex/to_c_spec.rb
new file mode 100644
index 0000000000..5ce01d9d4e
--- /dev/null
+++ b/spec/ruby/core/complex/to_c_spec.rb
@@ -0,0 +1,12 @@
+require_relative '../../spec_helper'
+
+describe "Complex#to_c" do
+  it "returns self" do
+    value = Complex(1, 5)
+    value.to_c.should equal(value)
+  end
+
+  it 'returns the same value' do
+    Complex(1, 5).to_c.should == Complex(1, 5)
+  end
+end
diff --git a/spec/ruby/core/hash/except_spec.rb b/spec/ruby/core/hash/except_spec.rb
new file mode 100644
index 0000000000..cef99b6284
--- /dev/null
+++ b/spec/ruby/core/hash/except_spec.rb
@@ -0,0 +1,33 @@
+require_relative '../../spec_helper'
+
+ruby_version_is "3.0" do
+  describe "Hash#except" do
+    before :each do
+      @hash = { a: 1, b: 2, c: 3 }
+    end
+
+    it "returns a new duplicate hash without arguments" do
+      ret = @hash.except
+      ret.should_not equal(@hash)
+      ret.should == @hash
+    end
+
+    it "returns a hash without the requested subset" do
+      @hash.except(:c, :a).should == { b: 2 }
+    end
+
+    it "ignores keys not present in the original hash" do
+      @hash.except(:a, :chunky_bacon).should == { b: 2, c: 3 }
+    end
+
+    it "returns an instance of a subclass" do
+      klass = Class.new(Hash)
+      h = klass.new
+      h[:bar] = 12
+      h[:foo] = 42
+      r = h.except(:foo)
+      r.should == {bar: 12}
+      r.class.should == klass
+    end
+  end
+end
diff --git a/spec/ruby/core/nil/case_compare_spec.rb b/spec/ruby/core/nil/case_compare_spec.rb
new file mode 100644
index 0000000000..142560c6f5
--- /dev/null
+++ b/spec/ruby/core/nil/case_compare_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../spec_helper'
+
+describe "NilClass#===" do
+  it "returns true for nil" do
+    (nil === nil).should == true
+  end
+
+  it "returns false for non-nil object" do
+    (nil === 1).should == false
+    (nil === "").should == false
+    (nil === Object).should == false
+  end
+end
diff --git a/spec/ruby/core/numeric/clone_spec.rb b/spec/ruby/core/numeric/clone_spec.rb
new file mode 100644
index 0000000000..e3bf0a9e7c
--- /dev/null
+++ b/spec/ruby/core/numeric/clone_spec.rb
@@ -0,0 +1,25 @@
+require_relative '../../spec_helper'
+
+describe "Numeric#clone" do
+  it "returns self" do
+    value = 1
+    value.clone.should equal(value)
+
+    subclass = Class.new(Numeric)
+    value = subclass.new
+    value.clone.should equal(value)
+  end
+
+  it "does not change frozen status" do
+    1.clone.frozen?.should == true
+  end
+
+  it "accepts optonal keyword argument :freeze" do
+    value = 1
+    value.clone(freeze: true).should equal(value)
+  end
+
+  it "raises ArgumentError if passed freeze: false" do
+    -> { 1.clone(freeze: false) }.should raise_error(ArgumentError, /can't unfreeze/)
+  end
+end
diff --git a/spec/ruby/core/numeric/dup_spec.rb b/spec/ruby/core/numeric/dup_spec.rb
new file mode 100644
index 0000000000..189a7ef44d
--- /dev/null
+++ b/spec/ruby/core/numeric/dup_spec.rb
@@ -0,0 +1,16 @@
+require_relative '../../spec_helper'
+
+describe "Numeric#dup" do
+  it "returns self" do
+    value = 1
+    value.dup.should equal(value)
+
+    subclass = Class.new(Numeric)
+    value = subclass.new
+    value.dup.should equal(value)
+  end
+
+  it "does not change frozen status" do
+    1.dup.frozen?.should == true
+  end
+end
diff --git a/spec/ruby/core/string/end_with_spec.rb b/spec/ruby/core/string/end_with_spec.rb
index 9ced0ca3d2..ac4fff72ad 100644
--- a/spec/ruby/core/string/end_with_spec.rb
+++ b/spec/ruby/core/string/end_with_spec.rb
@@ -1,56 +1,8 @@
 # -*- encoding: utf-8 -*-
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
+require_relative '../../shared/string/end_with'
 
 describe "String#end_with?" do
-  it "returns true only if ends match" do
-    s = "hello"
-    s.should.end_with?('o')
-    s.should.end_with?('llo')
-  end
-
-  it 'returns false if the end does not match' do
-    s = 'hello'
-    s.should_not.end_with?('ll')
-  end
-
-  it "returns true if the search string is empty" do
-    "hello".should.end_with?("")
-    "".should.end_with?("")
-  end
-
-  it "returns true only if any ending match" do
-    "hello".should.end_with?('x', 'y', 'llo', 'z')
-  end
-
-  it "converts its argument using :to_str" do
-    s = "hello"
-    find = mock('o')
-    find.should_receive(:to_str).and_return("o")
-    s.should.end_with?(find)
-  end
-
-  it "ignores arguments not convertible to string" do
-    "hello".should_not.end_with?()
-    -> { "hello".end_with?(1) }.should raise_error(TypeError)
-    -> { "hello".end_with?(["o"]) }.should raise_error(TypeError)
-    -> { "hello".end_with?(1, nil, "o") }.should raise_error(TypeError)
-  end
-
-  it "uses only the needed arguments" do
-    find = mock('h')
-    find.should_not_receive(:to_str)
-    "hello".should.end_with?("o",find)
-  end
-
-  it "works for multibyte strings" do
-    "céréale".should.end_with?("réale")
-  end
-
-  it "raises an Encoding::CompatibilityError if the encodings are incompatible" do
-    pat = "ア".encode Encoding::EUC_JP
-    -> do
-      "あれ".end_with?(pat)
-    end.should raise_error(Encoding::CompatibilityError)
-  end
+  it_behaves_like :end_with, :to_s
 end
diff --git a/spec/ruby/core/string/start_with_spec.rb b/spec/ruby/core/string/start_with_spec.rb
index 11c8041925..aaed197ff3 100644
--- a/spec/ruby/core/string/start_with_spec.rb
+++ b/spec/ruby/core/string/start_with_spec.rb
@@ -1,74 +1,8 @@
 # -*- encoding: utf-8 -*-
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
+require_relative '../../shared/string/start_with'
 
 describe "String#start_with?" do
-  it "returns true only if beginning match" do
-    s = "hello"
-    s.should.start_with?('h')
-    s.should.start_with?('hel')
-    s.should_not.start_with?('el')
-  end
-
-  it "returns true only if any beginning match" do
-    "hello".should.start_with?('x', 'y', 'he', 'z')
-  end
-
-  it "returns true if the search string is empty" do
-    "hello".should.start_with?("")
-    "".should.start_with?("")
-  end
-
-  it "converts its argument using :to_str" do
-    s = "hello"
-    find = mock('h')
-    find.should_receive(:to_str).and_return("h")
-    s.should.start_with?(find)
-  end
-
-  it "ignores arguments not convertible to string" do
-    "hello".should_not.start_with?()
-    -> { "hello".start_with?(1) }.should raise_error(TypeError)
-    -> { "hello".start_with?(["h"]) }.should raise_error(TypeError)
-    -> { "hello".start_with?(1, nil, "h") }.should raise_error(TypeError)
-  end
-
-  it "uses only the needed arguments" do
-    find = mock('h')
-    find.should_not_receive(:to_str)
-    "hello".should.start_with?("h",find)
-  end
-
-  it "works for multibyte strings" do
-    "céréale".should.start_with?("cér")
-  end
-
-  it "supports regexps" do
-    regexp = /[h1]/
-    "hello".should.start_with?(regexp)
-    "1337".should.start_with?(regexp)
-    "foxes are 1337".should_not.start_with?(regexp)
-    "chunky\n12bacon".should_not.start_with?(/12/)
-  end
-
-  it "supports regexps with ^ and $ modifiers" do
-    regexp1 = /^\d{2}/
-    regexp2 = /\d{2}$/
-    "12test".should.start_with?(regexp1)
-    "test12".should_not.start_with?(regexp1)
-    "12test".should_not.start_with?(regexp2)
-    "test12".should_not.start_with?(regexp2)
-  end
-
-  it "sets Regexp.last_match if it returns true" do
-    regexp = /test-(\d+)/
-    "test-1337".start_with?(regexp).should be_true
-    Regexp.last_match.should_not be_nil
-    Regexp.last_match[1].should == "1337"
-    $1.should == "1337"
-
-    "test-asdf".start_with?(regexp).should be_false
-    Regexp.last_match.should be_nil
-    $1.should be_nil
-  end
+  it_behaves_like :start_with, :to_s
 end
diff --git a/spec/ruby/core/string/uminus_spec.rb b/spec/ruby/core/string/uminus_spec.rb
index 91f91fdb1e..3a81b64126 100644
--- a/spec/ruby/core/string/uminus_spec.rb
+++ b/spec/ruby/core/string/uminus_spec.rb
@@ -69,4 +69,11 @@ describe 'String#-@' do
       (-dynamic).should equal(-"this string is frozen".freeze)
     end
   end
+
+  ruby_version_is "3.0" do
+    it "interns the provided string if it is frozen" do
+      dynamic = "this string is unique and frozen #{rand}".freeze
+      (-dynamic).should equal(dynamic)
+    end
+  end
 end
diff --git a/spec/ruby/core/symbol/end_with_spec.rb b/spec/ruby/core/symbol/end_with_spec.rb
new file mode 100644
index 0000000000..77dc4caf71
--- /dev/null
+++ b/spec/ruby/core/symbol/end_with_spec.rb
@@ -0,0 +1,10 @@
+# -*- encoding: utf-8 -*-
+
+require_relative '../../spec_helper'
+require_relative '../../shared/string/end_with'
+
+ruby_version_is "2.7" do
+  describe "Symbol#end_with?" do
+    it_behaves_like :end_with, :to_sym
+  end
+end
diff --git a/spec/ruby/core/symbol/start_with_spec.rb b/spec/ruby/core/symbol/start_with_spec.rb
new file mode 100644
index 0000000000..f54b3e499e
--- /dev/null
+++ b/spec/ruby/core/symbol/start_with_spec.rb
@@ -0,0 +1,10 @@
+# -*- encoding: utf-8 -*-
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative '../../shared/string/start_with'
+
+ruby_version_is "2.7" do
+  describe "Symbol#start_with?" do
+    it_behaves_like :start_with, :to_sym
+  end
+end
diff --git a/spec/ruby/core/true/case_compare_spec.rb b/spec/ruby/core/true/case_compare_spec.rb
new file mode 100644
index 0000000000..dee6dd0227
--- /dev/null
+++ b/spec/ruby/core/true/case_compare_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../spec_helper'
+
+describe "TrueClass#===" do
+  it "returns true for true" do
+    (true === true).should == true
+  end
+
+  it "returns false for non-true object" do
+    (true === 1).should == false
+    (true === "").should == false
+    (true === Object).should == false
+  end
+end