1 files changed, 31 insertions, 0 deletions
diff --git a/third_party/rust/uniffi-example-arithmetic/tests/bindings/test_arithmetic.rb b/third_party/rust/uniffi-example-arithmetic/tests/bindings/test_arithmetic.rb
new file mode 100644
index 0000000000..6669eb279f
--- /dev/null
+++ b/third_party/rust/uniffi-example-arithmetic/tests/bindings/test_arithmetic.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'test/unit'
+require 'arithmetic'
+
+include Test::Unit::Assertions
+
+assert_raise Arithmetic::ArithmeticError::IntegerOverflow do
+  Arithmetic.add 18_446_744_073_709_551_615, 1
+end
+
+assert_equal Arithmetic.add(2, 4), 6
+assert_equal Arithmetic.add(4, 8), 12
+
+assert_raise Arithmetic::ArithmeticError::IntegerOverflow do
+  Arithmetic.sub 0, 1
+end
+
+assert_equal Arithmetic.sub(4, 2), 2
+assert_equal Arithmetic.sub(8, 4), 4
+assert_equal Arithmetic.div(8, 4), 2
+
+assert_raise Arithmetic::InternalError do
+  Arithmetic.div 8, 0
+end
+
+assert Arithmetic.equal(2, 2)
+assert Arithmetic.equal(4, 4)
+
+assert !Arithmetic.equal(2, 4)
+assert !Arithmetic.equal(4, 8)