From 6204e0804b24f1675b49d5880da014411bcfb831 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 20 Jan 2019 20:38:57 +0000
Subject: Update to ruby/spec@35a9fba

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 spec/ruby/core/array/difference_spec.rb |  2 +-
 spec/ruby/core/array/to_h_spec.rb       | 39 ++++++++++++++++++++++++++++++---
 2 files changed, 37 insertions(+), 4 deletions(-)

(limited to 'spec/ruby/core/array')

diff --git a/spec/ruby/core/array/difference_spec.rb b/spec/ruby/core/array/difference_spec.rb
index 33ea8e1f3c..a357657967 100644
--- a/spec/ruby/core/array/difference_spec.rb
+++ b/spec/ruby/core/array/difference_spec.rb
@@ -4,7 +4,7 @@ require_relative 'shared/difference'
 
 ruby_version_is "2.6" do
   describe "Array#difference" do
-    it_behaves_like :array_binary_difference, :-
+    it_behaves_like :array_binary_difference, :difference
 
     it "returns a copy when called without any parameter" do
       x = [1, 2, 3, 2]
diff --git a/spec/ruby/core/array/to_h_spec.rb b/spec/ruby/core/array/to_h_spec.rb
index e845d2c950..27a0b6112f 100644
--- a/spec/ruby/core/array/to_h_spec.rb
+++ b/spec/ruby/core/array/to_h_spec.rb
@@ -36,9 +36,42 @@ describe "Array#to_h" do
   end
 
   ruby_version_is "2.6" do
-    it "converts [key, value] pairs returned by the block to a hash" do
-      i = 0
-      [:a, :b].to_h {|k| [k, i += 1]}.should == { a: 1, b: 2 }
+    context "with block" do
+      it "converts [key, value] pairs returned by the block to a Hash" do
+        [:a, :b].to_h { |k| [k, k.to_s] }.should == { a: 'a', b: 'b' }
+      end
+
+      it "raises ArgumentError if block returns longer or shorter array" do
+        -> do
+          [:a, :b].to_h { |k| [k, k.to_s, 1] }
+        end.should raise_error(ArgumentError, /wrong array length at 0/)
+
+        -> do
+          [:a, :b].to_h { |k| [k] }
+        end.should raise_error(ArgumentError, /wrong array length at 0/)
+      end
+
+      it "raises TypeError if block returns something other than Array" do
+        -> do
+          [:a, :b].to_h { |k| "not-array" }
+        end.should raise_error(TypeError, /wrong element type String at 0/)
+      end
+
+      it "coerces returned pair to Array with #to_ary" do
+        x = mock('x')
+        x.stub!(:to_ary).and_return([:b, 'b'])
+
+        [:a].to_h { |k| x }.should == { :b => 'b' }
+      end
+
+      it "does not coerce returned pair to Array with #to_a" do
+        x = mock('x')
+        x.stub!(:to_a).and_return([:b, 'b'])
+
+        -> do
+          [:a].to_h { |k| x }
+        end.should raise_error(TypeError, /wrong element type MockObject at 0/)
+      end
     end
   end
 end
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