Add a testcase for the Curiously Recurring Template Pattern - CRTP

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@13839 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/common.mk

@@ -152,6 +152,7 @@ CPP_TEST_CASES += \
 	cpp_nodefault \
 	cpp_static \
 	cpp_typedef \
+	curiously_recurring_template_pattern \
 	default_args \
 	default_arg_values \
 	default_constructor \

Examples/test-suite/curiously_recurring_template_pattern.i

@@ -0,0 +1,55 @@
+%module curiously_recurring_template_pattern
+
+// Test Curiously Recurring Template Pattern - CRTP
+
+%inline %{
+template <typename T> class Base {
+  int base1Param;
+  int base2Param;
+public:
+  Base() : base1Param(0) {}
+  int getBase1Param() {
+    return base1Param;
+  }
+  T& setBase1Param(int value) {
+    base1Param = value;
+    return *static_cast<T*>(this);
+  }
+  int getBase2Param() {
+    return base2Param;
+  }
+  T& setBase2Param(int value) {
+    base2Param = value;
+    return *static_cast<T*>(this);
+  }
+  virtual ~Base() {}
+};
+%}
+
+%template(basederived) Base<Derived>;
+
+%inline %{
+class Derived : public Base<Derived> {
+  int derived1Param;
+  int derived2Param;
+public:
+  Derived() : derived1Param(0), derived2Param(0) {}
+  int getDerived1Param() {
+    return derived1Param;
+  }
+  Derived& setDerived1Param(int value) {
+    derived1Param = value;
+    return *this;
+  }
+  int getDerived2Param() {
+    return derived2Param;
+  }
+  Derived& setDerived2Param(int value) {
+    derived2Param = value;
+    return *this;
+  }
+};
+%}
+
+
+

Examples/test-suite/java/curiously_recurring_template_pattern_runme.java

@@ -0,0 +1,29 @@
+
+import curiously_recurring_template_pattern.*;
+
+public class curiously_recurring_template_pattern_runme {
+
+  static {
+    try {
+	System.loadLibrary("curiously_recurring_template_pattern");
+    } catch (UnsatisfiedLinkError e) {
+      System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e);
+      System.exit(1);
+    }
+  }
+
+  public static void main(String argv[]) {
+    Derived d = new Derived();
+    d.setBase1Param(1).setDerived1Param(10).setDerived2Param(20).setBase2Param(2);
+
+    if (d.getBase1Param() != 1)
+      throw new RuntimeException("fail");
+    if (d.getDerived1Param() != 10)
+      throw new RuntimeException("fail");
+    if (d.getBase2Param() != 2)
+      throw new RuntimeException("fail");
+    if (d.getDerived2Param() != 20)
+      throw new RuntimeException("fail");
+  }
+}
+