1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/shared/comparison_coerce.rb b/spec/ruby/core/integer/shared/comparison_coerce.rb
new file mode 100644
index 0000000000..6d5e69b774
--- /dev/null
+++ b/spec/ruby/core/integer/shared/comparison_coerce.rb
@@ -0,0 +1,33 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :integer_comparison_coerce_rescue, shared: true do
+  it "rescues exception (StandardError and subclasses) raised in other#coerce and raises ArgumentError" do
+    b = mock("numeric with failed #coerce")
+    b.should_receive(:coerce).and_raise(IntegerSpecs::CoerceError)
+
+    # e.g. 1 > b
+    -> {
+      -> { 1.send(@method, b) }.should raise_error(ArgumentError, /comparison of Integer with MockObject failed/)
+    }.should complain(/Numerical comparison operators will no more rescue exceptions of #coerce/)
+  end
+
+  it "does not rescue Exception and StandardError siblings raised in other#coerce" do
+    [Exception, NoMemoryError].each do |exception|
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(exception)
+
+      # e.g. 1 > b
+      -> { 1.send(@method, b) }.should raise_error(exception)
+    end
+  end
+end
+
+describe :integer_comparison_coerce_not_rescue, shared: true do
+  it "does not rescue exception raised in other#coerce" do
+    b = mock("numeric with failed #coerce")
+    b.should_receive(:coerce).and_raise(IntegerSpecs::CoerceError)
+
+    # e.g. 1 > b
+    -> { 1.send(@method, b) }.should raise_error(IntegerSpecs::CoerceError)
+  end
+end