Fixed compilation error with Rice 4.6

Author: ankane

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.15.1 (unreleased)
+
+- Fixed compilation error with Rice 4.6
+
 ## 0.15.0 (2025-02-17)
 
 - Updated OR-Tools to 9.12

ext/or-tools/routing.cpp

@@ -250,7 +250,11 @@ void init_routing(Rice::Module& m) {
       })
     .define_method(
       "cumulative",
-      [](operations_research::Solver& self, std::vector<operations_research::IntervalVar*> intervals, std::vector<int64_t> demands, int64_t capacity, const std::string& name) {
+      [](operations_research::Solver& self, Array rb_intervals, std::vector<int64_t> demands, int64_t capacity, const std::string& name) {
+        std::vector<operations_research::IntervalVar*> intervals;
+        for (const Object v : rb_intervals) {
+          intervals.push_back(Rice::detail::From_Ruby<operations_research::IntervalVar*>().convert(v.value()));
+        }
         return self.MakeCumulative(intervals, demands, capacity, name);
       });
 

or-tools.gemspec

@@ -16,5 +16,5 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = ">= 3.1"
 
-  spec.add_dependency "rice", "~> 4.5.0"
+  spec.add_dependency "rice", ">= 4.5.0"
 end

test/constraint_test.rb

@@ -229,9 +229,10 @@ def test_add_hint
     model.add_hint(x, 1)
     model.add_hint(y, true)
 
-    assert_raises(TypeError) do
+    error = assert_raises(RuntimeError) do
       model.add_hint("z", 1)
     end
+    assert_equal "The provided Ruby object does not wrap a C++ object", error.message
   end
 
   def test_int_var_domain