From 12791737e0c07cd5066ea0e8be0e9acdcea996d1 Mon Sep 17 00:00:00 2001
From: dellaert <dellaert@cc.gatech.edu>
Date: Tue, 2 Dec 2014 11:41:09 +0100
Subject: [PATCH] First non-passing grammar test

---
 wrap/tests/testClass.cpp | 108 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 107 insertions(+), 1 deletion(-)

diff --git a/wrap/tests/testClass.cpp b/wrap/tests/testClass.cpp
index 0ceff500b..ffd5deb6a 100644
--- a/wrap/tests/testClass.cpp
+++ b/wrap/tests/testClass.cpp
@@ -46,7 +46,7 @@ TEST( Class, OverloadingMethod ) {
   EXPECT_LONGS_EQUAL(1, cls.method(name).nrOverloads());
 
   // add an overload w different argument list
-  args.push_back(Argument(Qualified("Vector",Qualified::EIGEN),"v"));
+  args.push_back(Argument(Qualified("Vector", Qualified::EIGEN), "v"));
   cls.addMethod(verbose, is_const, name, args, retVal, tmplate);
   EXPECT_LONGS_EQUAL(1, cls.nrMethods());
   EXPECT_LONGS_EQUAL(2, cls.method(name).nrOverloads());
@@ -82,6 +82,112 @@ TEST( Class, TemplatedMethods ) {
   EXPECT(cls.exists(name+"Point3"));
 }
 
+/* ************************************************************************* */
+// http://boost-spirit.com/distrib/spirit_1_8_2/libs/spirit/doc/grammar.html
+struct ClassGrammar: public classic::grammar<ClassGrammar> {
+
+  Class& result_; ///< successful parse will be placed in here
+
+  /// Construct type grammar and specify where result is placed
+  ClassGrammar(Class& result) :
+      result_(result) {
+  }
+
+  /// Definition of type grammar
+  template<typename ScannerT>
+  struct definition {
+
+    classic::rule<ScannerT> class_p;
+
+    definition(ClassGrammar const& self) {
+      using namespace classic;
+
+      class_p = str_p("class");
+    }
+
+    classic::rule<ScannerT> const& start() const {
+      return class_p;
+    }
+
+  };
+};
+// ClassGrammar
+
+/* ************************************************************************* */
+TEST( wrap, Small ) {
+
+  using classic::space_p;
+
+  // Create type grammar that will place result in cls
+  Class cls;
+  ClassGrammar g(cls);
+
+  string markup(
+      string("class Point2 {                \n") +
+      string(" double x() const;            \n") +   // Method 1
+      string(" Matrix returnMatrix() const;   \n") + // Method 2
+      string(" Point2 returnPoint2() const; \n") +   // Method 3
+      string(" static Vector returnVector(); \n") +  // Static Method 1
+      string("};\n"));
+
+  EXPECT(parse(markup.c_str(), g, space_p).full);
+
+  // check return types
+  EXPECT(assert_equal("Point2", cls.name()));
+  EXPECT(!cls.isVirtual);
+  EXPECT(cls.namespaces().empty());
+  LONGS_EQUAL(3, cls.nrMethods());
+  LONGS_EQUAL(1, cls.static_methods.size());
+
+  // Method 1
+  Method m1 = cls.method("x");
+  EXPECT(assert_equal("x", m1.name()));
+  EXPECT(m1.isConst());
+  LONGS_EQUAL(1, m1.nrOverloads());
+
+  ReturnValue rv1 = m1.returnValue(0);
+  EXPECT(!rv1.isPair);
+  EXPECT(!rv1.type1.isPtr);
+  EXPECT(assert_equal("double", rv1.type1.name()));
+  EXPECT_LONGS_EQUAL(ReturnType::BASIS, rv1.type1.category);
+
+  // Method 2
+  Method m2 = cls.method("returnMatrix");
+  EXPECT(assert_equal("returnMatrix", m2.name()));
+  EXPECT(m2.isConst());
+  LONGS_EQUAL(1, m2.nrOverloads());
+
+  ReturnValue rv2 = m2.returnValue(0);
+  EXPECT(!rv2.isPair);
+  EXPECT(!rv2.type1.isPtr);
+  EXPECT(assert_equal("Matrix", rv2.type1.name()));
+  EXPECT_LONGS_EQUAL(ReturnType::EIGEN, rv2.type1.category);
+
+  // Method 3
+  Method m3 = cls.method("returnPoint2");
+  EXPECT(assert_equal("returnPoint2", m3.name()));
+  EXPECT(m3.isConst());
+  LONGS_EQUAL(1, m3.nrOverloads());
+
+  ReturnValue rv3 = m3.returnValue(0);
+  EXPECT(!rv3.isPair);
+  EXPECT(!rv3.type1.isPtr);
+  EXPECT(assert_equal("Point2", rv3.type1.name()));
+  EXPECT_LONGS_EQUAL(ReturnType::CLASS, rv3.type1.category);
+
+  // Static Method 1
+  // static Vector returnVector();
+  StaticMethod sm1 = cls.static_methods.at("returnVector");
+  EXPECT(assert_equal("returnVector", sm1.name()));
+  LONGS_EQUAL(1, sm1.nrOverloads());
+
+  ReturnValue rv4 = sm1.returnValue(0);
+  EXPECT(!rv4.isPair);
+  EXPECT(!rv4.type1.isPtr);
+  EXPECT(assert_equal("Vector", rv4.type1.name()));
+  EXPECT_LONGS_EQUAL(ReturnType::EIGEN, rv4.type1.category);
+}
+
 /* ************************************************************************* */
 int main() {
   TestResult tr;