test methods at end of input

ros2 · Apr 9, 2018 · a4ffdc2 · a4ffdc2
1 parent 591c35f
commit a4ffdc2
Showing 1 changed file with 31 additions and 0 deletions.
diff --git a/rcl/test/rcl/test_lexer_lookahead.cpp b/rcl/test/rcl/test_lexer_lookahead.cpp
@@ -108,6 +108,37 @@ TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_peek2)
   EXPECT_EQ(RCL_LEXEME_FORWARD_SLASH, lexeme2);
 }
 
+TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_eof)
+{
+  rcl_ret_t ret;
+  rcl_lexer_lookahead2_t buffer;
+  SCOPE_LOOKAHEAD2(buffer, "");
+
+  {
+    rcl_lexeme_t lexeme = RCL_LEXEME_NONE;
+    ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
+    EXPECT_EQ(RCL_RET_OK, ret);
+    EXPECT_EQ(RCL_LEXEME_EOF, lexeme);
+  }
+  {
+    rcl_lexeme_t lexeme1 = RCL_LEXEME_NONE;
+    rcl_lexeme_t lexeme2 = RCL_LEXEME_NONE;
+    ret = rcl_lexer_lookahead2_peek2(&buffer, &lexeme1, &lexeme2);
+    EXPECT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
+    EXPECT_EQ(RCL_LEXEME_EOF, lexeme1);
+    EXPECT_EQ(RCL_LEXEME_EOF, lexeme2);
+  }
+  // Accepting keeps the lexer at EOF
+  {
+    EXPECT_EQ(RCL_RET_OK, rcl_lexer_lookahead2_accept(&buffer, NULL, NULL));
+    rcl_lexeme_t lexeme = RCL_LEXEME_NONE;
+    ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
+    EXPECT_EQ(RCL_RET_OK, ret);
+    EXPECT_EQ(RCL_LEXEME_EOF, lexeme);
+  }
+}
+
+
 TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_accept)
 {
   rcl_ret_t ret;