Merge pull request #84085 from egorzhdan/egorzhdan/frt-test

[cxx-interop] Test initializing foreign reference type when passed by parameter

Author: egorzhdan

test/Interop/Cxx/foreign-reference/Inputs/pass-as-parameter.h

@@ -14,3 +14,7 @@ inline int extractValueFromRefToPtr(IntBox *&b) { return b->value; }
 inline int extractValueFromRefToConstPtr(IntBox const *&b) { return b->value; }
 inline int extractValueFromConstRefToPtr(IntBox *const &b) { return b->value; }
 inline int extractValueFromConstRefToConstPtr(IntBox const *const &b) { return b->value; }
+
+inline void initializeByPtr(int value, IntBox **b) {
+  *b = IntBox::create(value);
+}

test/Interop/Cxx/foreign-reference/pass-as-parameter-module-interface.swift

@@ -7,3 +7,5 @@
 // CHECK: func extractValueFromRefToConstPtr(_ b: inout IntBox!) -> Int32
 // CHECK: func extractValueFromConstRefToPtr(_ b: IntBox!) -> Int32
 // CHECK: func extractValueFromConstRefToConstPtr(_ b: IntBox!) -> Int32
+
+// CHECK: func initializeByPtr(_ value: Int32, _ b: UnsafeMutablePointer<IntBox?>!)

test/Interop/Cxx/foreign-reference/pass-as-parameter.swift

@@ -53,4 +53,10 @@ PassAsParameterTestSuite.test("pass as const reference to const pointer") {
   expectEqual(aValue, 789)
 }
 
+PassAsParameterTestSuite.test("initialize by pointer") {
+  var a: IntBox!
+  initializeByPtr(987, &a)
+  expectEqual(a.value, 987)
+}
+
 runAllTests()