Update cppbnf.cpp

1 files changed, 17 insertions, 2 deletions

diff --git a/tests/test-cpp.cpp b/tests/test-cpp.cpp
index e5b2a1a..adfa54b 100644
--- a/tests/test-cpp.cpp
+++ b/tests/test-cpp.cpp
@@ -24,7 +24,7 @@ class CppTest: public ::testing::Test
 {
 protected:
  CppTest() {
-  //debug = true;
+  debug = true;
  }
  ~CppTest() {
  }
@@ -42,7 +42,22 @@ TEST_F(CppTest, preprocessing_tokenize) {
 
  auto nodes = cpp.analysis(tokens);
  
- ASSERT_EQ(nodes.size(), 60/*44*/);
+ ASSERT_EQ(nodes.size(), 58/*44*/);
+}
+
+TEST_F(CppTest, preprocessing_tokenize_empty) {
+ CPP cpp;
+ auto pp_tokens = cpp.preprocessing_tokenize("");
+
+ ASSERT_EQ(pp_tokens.size(), 0);
+
+ auto tokens = cpp.tokens_from_pptokens(pp_tokens);
+
+ ASSERT_EQ(tokens.size(), 0);
+
+ auto nodes = cpp.analysis(tokens);
+ 
+ ASSERT_EQ(nodes.size(), 0);
 }
 
 TEST_F(CppTest, preprocessing_tokenize_compile_error) {