Add tests

Author: thewilsonator

test/stdcpp/Makefile

@@ -1,6 +1,6 @@
 include ../common.mak
 
-TESTS:=array new
+TESTS:=array allocator new
 
 .PHONY: all clean
 

test/stdcpp/src/allocator.cpp

@@ -0,0 +1,24 @@
+#include <memory>
+
+struct MyStruct
+{
+    int *a;
+    double *b;
+    MyStruct *c;
+};
+
+MyStruct cpp_alloc()
+{
+    MyStruct r;
+    r.a = std::allocator<int>().allocate(42);
+    r.b = std::allocator<double>().allocate(42);
+    r.c = std::allocator<MyStruct>().allocate(42);
+    return r;
+}
+
+void cpp_free(MyStruct& s)
+{
+    std::allocator<int>().deallocate(s.a, 43);
+    std::allocator<double>().deallocate(s.b, 43);
+    std::allocator<MyStruct>().deallocate(s.c, 43);
+}

test/stdcpp/src/allocator_test.d

@@ -0,0 +1,26 @@
+import core.stdcpp.allocator;
+
+extern(C++) struct MyStruct
+{
+    int* a;
+    double* b;
+    MyStruct* c;
+}
+
+extern(C++) MyStruct cpp_alloc();
+extern(C++) void cpp_free(ref MyStruct s);
+
+unittest
+{
+    // alloc in C++, delete in D
+    MyStruct s = cpp_alloc();
+    allocator!int().deallocate(s.a, 42);
+    allocator!double().deallocate(s.b, 42);
+    allocator!MyStruct().deallocate(s.c, 42);
+
+    // alloc in D, delete in C++
+    s.a = allocator!int().allocate(43);
+    s.b = allocator!double().allocate(43);
+    s.c = allocator!MyStruct().allocate(43);
+    cpp_free(s);
+}

test/stdcpp/win64.mak

@@ -5,7 +5,7 @@ MODEL=64
 DRUNTIMELIB=druntime64.lib
 CC=cl
 
-TESTS= array new
+TESTS= array allocator new
 
 test: $(TESTS)