Add test to ensure we always convert Pointer instances.

test/test/spec/pointer_spec.rb

@@ -6,3 +6,16 @@ describe "Pointer" do
     TestMethod.testPointerToStrings(ptr, length:vals.size).should == vals.inject(0) { |m, v| m + v } 
   end
 end
+
+describe "Void-pointers" do
+  it "does not try to convert an object" do
+    obj = Object.new
+    TestVoidPointer.methodWithObjectVoidPointer(obj).should == obj
+  end
+
+  it "does convert a Pointer to the actual data" do
+    pointer = Pointer.new('i')
+    pointer[0] = 42
+    TestVoidPointer.methodWithCTypeVoidPointer(pointer).should == 42
+  end
+end

test/test/spec/type_encoding_spec.rb

@@ -30,9 +30,3 @@ describe "BOOL Type Encoding" do
   end
 end
 
-describe "Void-pointers" do
-  it "does not try to convert an object with a type of `void *`" do
-    obj = Object.new
-    TestVoidPointer.methodWithVoidPointer(obj).should == obj
-  end
-end

test/test/vendor/code/code.h

@@ -125,5 +125,6 @@ typedef struct MyUnionHasBool {
 @end
 
 @interface TestVoidPointer : NSObject
-+ (id)methodWithVoidPointer:(void *)object;
++ (id)methodWithObjectVoidPointer:(void *)object;
++ (int)methodWithCTypeVoidPointer:(void *)val;
 @end

test/test/vendor/code/code.m

@@ -210,8 +210,15 @@ ReturnsIntBlock KreateGlobalBlock()
 @end
 
 @implementation TestVoidPointer
-+ (id)methodWithVoidPointer:(void *)object;
+
++ (id)methodWithObjectVoidPointer:(void *)object;
 {
     return (id)object;
 }
+
++ (int)methodWithCTypeVoidPointer:(void *)val;
+{
+    return *(int *)val;
+}
+
 @end