1 files changed, 12 insertions, 7 deletions
diff --git a/spec/ruby/library/date/shared/valid_jd.rb b/spec/ruby/library/date/shared/valid_jd.rb
index d8a35992b3..0c01710208 100644
--- a/spec/ruby/library/date/shared/valid_jd.rb
+++ b/spec/ruby/library/date/shared/valid_jd.rb
@@ -1,15 +1,20 @@
 describe :date_valid_jd?, shared: true do
-  it "returns true if passed any value other than nil" do
-    Date.send(@method, -100).should be_true
-    Date.send(@method, :number).should    be_true
-    Date.send(@method, Rational(1,2)).should  be_true
+  it "returns true if passed a number value" do
+    Date.send(@method, -100).should == true
+    Date.send(@method, 100.0).should == true
+    Date.send(@method, 2**100).should == true
+    Date.send(@method, Rational(1,2)).should == true
   end
 
   it "returns false if passed nil" do
-    Date.send(@method, nil).should be_false
+    Date.send(@method, nil).should == false
   end
 
-  it "returns true if passed false" do
-    Date.send(@method, false).should be_true
+  it "returns false if passed symbol" do
+    Date.send(@method, :number).should == false
+  end
+
+  it "returns false if passed false" do
+    Date.send(@method, false).should == false
   end
 end