2 files changed, 70 insertions, 0 deletions
diff --git a/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb b/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb
new file mode 100644
index 0000000000..0d9f32af16
--- /dev/null
+++ b/spec/ruby/core/float/shared/arithmetic_exception_in_coerce.rb
@@ -0,0 +1,34 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :float_arithmetic_exception_in_coerce, shared: true do
+  ruby_version_is ""..."2.5" do
+    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" do
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
+
+      # e.g. 1.0 > b
+      -> { 1.0.send(@method, b) }.should raise_error(TypeError, /MockObject can't be coerced into Float/)
+    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. 1.0 > b
+        -> { 1.0.send(@method, b) }.should raise_error(exception)
+      end
+    end
+  end
+
+  ruby_version_is "2.5" do
+    it "does not rescue exception raised in other#coerce" do
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
+
+      # e.g. 1.0 > b
+      -> { 1.0.send(@method, b) }.should raise_error(FloatSpecs::CoerceError)
+    end
+  end
+end
+
diff --git a/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb b/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb
new file mode 100644
index 0000000000..688e5dc0d1
--- /dev/null
+++ b/spec/ruby/core/float/shared/comparison_exception_in_coerce.rb
@@ -0,0 +1,36 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :float_comparison_exception_in_coerce, shared: true do
+  ruby_version_is ""..."2.5" 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(FloatSpecs::CoerceError)
+
+      # e.g. 1.0 > b
+      -> {
+        -> { 1.0.send(@method, b) }.should raise_error(ArgumentError, /comparison of Float 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. 1.0 > b
+        -> { 1.0.send(@method, b) }.should raise_error(exception)
+      end
+    end
+  end
+
+  ruby_version_is "2.5" do
+    it "does not rescue exception raised in other#coerce" do
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(FloatSpecs::CoerceError)
+
+      # e.g. 1.0 > b
+      -> { 1.0.send(@method, b) }.should raise_error(FloatSpecs::CoerceError)
+    end
+  end
+end
+