Add some tests for expand/collapse variables; todo - fails on gdb/linux

tests/testdata/cpp/simple/struct.cpp

@@ -0,0 +1,33 @@
+struct AnotherTest
+{
+  char choo;
+  int ints[5];
+};
+
+struct Test
+{
+  int i;
+  char c;
+  float fffff;
+
+  AnotherTest another_test;
+};
+
+static Test SetUp( Test t )
+{
+  t.another_test.choo = 'p';
+  t.another_test.ints[ 0 ] = t.i; return t;
+}
+
+int main( int , char ** )
+{
+  Test t = {};
+
+  t.i = 1;
+  t.c = 'c';
+  t.fffff = 3.14;
+
+  t = SetUp( t );
+
+  return t.another_test.ints[ 0 ];
+}