Update to ruby/spec@b6b7752

3 files changed, 46 insertions, 9 deletions

diff --git a/spec/ruby/core/kernel/initialize_copy_spec.rb b/spec/ruby/core/kernel/initialize_copy_spec.rb
new file mode 100644
index 0000000000..fe08d184ad
--- /dev/null
+++ b/spec/ruby/core/kernel/initialize_copy_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../../spec_helper'
+
+describe "Kernel#initialize_copy" do
+  it "does nothing if the argument is the same as the receiver" do
+    obj = Object.new
+    obj.send(:initialize_copy, obj).should.equal?(obj)
+    obj.freeze
+    obj.send(:initialize_copy, obj).should.equal?(obj)
+    1.send(:initialize_copy, 1).should.equal?(1)
+  end
+
+  it "raises FrozenError if the receiver is frozen" do
+    -> { Object.new.freeze.send(:initialize_copy, Object.new) }.should raise_error(FrozenError)
+    -> { 1.send(:initialize_copy, Object.new) }.should raise_error(FrozenError)
+  end
+
+  it "raises TypeError if the objects are of different class" do
+    klass = Class.new
+    sub = Class.new(klass)
+    a = klass.new
+    b = sub.new
+    message = 'initialize_copy should take same class object'
+    -> { a.send(:initialize_copy, b) }.should raise_error(TypeError, message)
+    -> { b.send(:initialize_copy, a) }.should raise_error(TypeError, message)
+
+    -> { a.send(:initialize_copy, 1) }.should raise_error(TypeError, message)
+    -> { a.send(:initialize_copy, 1.0) }.should raise_error(TypeError, message)
+  end
+end
diff --git a/spec/ruby/core/kernel/proc_spec.rb b/spec/ruby/core/kernel/proc_spec.rb
index 3930715ebd..7b4493dcc4 100644
--- a/spec/ruby/core/kernel/proc_spec.rb
+++ b/spec/ruby/core/kernel/proc_spec.rb
@@ -36,27 +36,31 @@ describe "Kernel.proc" do
 end
 
 describe "Kernel#proc" do
+  def some_method
+    proc
+  end
+
   ruby_version_is ""..."2.7" do
     it "uses the implicit block from an enclosing method" do
-      def some_method
-        proc
-      end
-
       prc = some_method { "hello" }
 
       prc.call.should == "hello"
     end
   end
 
-  ruby_version_is "2.7" ... "2.8" do
+  ruby_version_is "2.7"..."2.8" do
     it "can be created when called with no block" do
-      def some_method
-        proc
-      end
-
       -> {
         some_method { "hello" }
       }.should complain(/Capturing the given block using Kernel#proc is deprecated/)
     end
   end
+
+  ruby_version_is "2.8" do
+    it "raises an ArgumentError when passed no block" do
+      -> {
+        some_method { "hello" }
+      }.should raise_error(ArgumentError, 'tried to create Proc object without a block')
+    end
+  end
 end
diff --git a/spec/ruby/core/kernel/srand_spec.rb b/spec/ruby/core/kernel/srand_spec.rb
index 5454aae8cf..0985c76cb0 100644
--- a/spec/ruby/core/kernel/srand_spec.rb
+++ b/spec/ruby/core/kernel/srand_spec.rb
@@ -11,6 +11,10 @@ describe "Kernel.srand" do
     srand(20).should == 10
   end
 
+  it "returns the previous seed value on the first call" do
+    ruby_exe('p srand(10)', options: '--disable-gems').chomp.should =~ /\A\d+\z/
+  end
+
   it "seeds the RNG correctly and repeatably" do
     srand(10)
     x = rand