1 files changed, 45 insertions, 8 deletions
diff --git a/spec/ruby/core/integer/divide_spec.rb b/spec/ruby/core/integer/divide_spec.rb
index a878c4668c..e75432fd83 100644
--- a/spec/ruby/core/integer/divide_spec.rb
+++ b/spec/ruby/core/integer/divide_spec.rb
@@ -12,6 +12,17 @@ describe "Integer#/" do
 
     it "supports dividing negative numbers" do
       (-1 / 10).should == -1
+      (-1 / 10**10).should == -1
+      (-1 / 10**20).should == -1
+    end
+
+    it "preservers sign correctly" do
+      (4 / 3).should == 1
+      (4 / -3).should == -2
+      (-4 / 3).should == -2
+      (-4 / -3).should == 1
+      (0 / -3).should == 0
+      (0 / 3).should == 0
     end
 
     it "returns result the same class as the argument" do
@@ -21,7 +32,7 @@ describe "Integer#/" do
     end
 
     it "raises a ZeroDivisionError if the given argument is zero and not a Float" do
-      -> { 1 / 0 }.should raise_error(ZeroDivisionError)
+      -> { 1 / 0 }.should.raise(ZeroDivisionError)
     end
 
     it "does NOT raise ZeroDivisionError if the given argument is zero and is a Float" do
@@ -35,9 +46,9 @@ describe "Integer#/" do
     end
 
     it "raises a TypeError when given a non-Integer" do
-      -> { 13 / mock('10') }.should raise_error(TypeError)
-      -> { 13 / "10"       }.should raise_error(TypeError)
-      -> { 13 / :symbol    }.should raise_error(TypeError)
+      -> { 13 / mock('10') }.should.raise(TypeError)
+      -> { 13 / "10"       }.should.raise(TypeError)
+      -> { 13 / :symbol    }.should.raise(TypeError)
     end
   end
 
@@ -58,6 +69,15 @@ describe "Integer#/" do
       ((10**50) / -(10**40 + 1)).should == -10000000000
     end
 
+    it "preservers sign correctly" do
+      (4 / bignum_value).should == 0
+      (4 / -bignum_value).should == -1
+      (-4 / bignum_value).should == -1
+      (-4 / -bignum_value).should == 0
+      (0 / bignum_value).should == 0
+      (0 / -bignum_value).should == 0
+    end
+
     it "returns self divided by Float" do
       not_supported_on :opal do
         (bignum_value(88) / 4294967295.0).should be_close(4294967297.0, TOLERANCE)
@@ -77,13 +97,30 @@ describe "Integer#/" do
     end
 
     it "raises a ZeroDivisionError if other is zero and not a Float" do
-      -> { @bignum / 0 }.should raise_error(ZeroDivisionError)
+      -> { @bignum / 0 }.should.raise(ZeroDivisionError)
     end
 
     it "raises a TypeError when given a non-numeric" do
-      -> { @bignum / mock('10') }.should raise_error(TypeError)
-      -> { @bignum / "2" }.should raise_error(TypeError)
-      -> { @bignum / :symbol }.should raise_error(TypeError)
+      -> { @bignum / mock('10') }.should.raise(TypeError)
+      -> { @bignum / "2" }.should.raise(TypeError)
+      -> { @bignum / :symbol }.should.raise(TypeError)
     end
   end
+
+  it "coerces the RHS and calls #coerce" do
+    obj = mock("integer plus")
+    obj.should_receive(:coerce).with(6).and_return([6, 3])
+    (6 / obj).should == 2
+  end
+
+  it "coerces the RHS and calls #coerce even if it's private" do
+    obj = Object.new
+    class << obj
+      private def coerce(n)
+        [n, 3]
+      end
+    end
+
+    (6 / obj).should == 2
+  end
 end