add unit test for c++ with yywrap

6 files changed, 126 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index c9d970d..744761a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -26,6 +26,7 @@ dist_noinst_SCRIPTS = \
 	create-test
 
 DIST_SUBDIRS = \
+	test-c++-yywrap \
 	test-extended \
 	test-ccl \
 	test-quotes \
@@ -72,6 +73,7 @@ DIST_SUBDIRS = \
 	test-table-opts
 
 SUBDIRS = \
+	test-c++-yywrap \
 	test-extended \
 	test-ccl \
 	test-quotes \
diff --git a/tests/descriptions b/tests/descriptions
index 9bf891a..b263bbb 100644
--- a/tests/descriptions
+++ b/tests/descriptions
@@ -44,3 +44,4 @@ string-r              - Scan strings, reentrant.
 table-opts            - Try every table compression option.
 top                   - Test %top directive.
 yyextra               - Test yyextra.
+c++-yywrap            - test yywrap in c++ scanner
diff --git a/tests/test-c++-yywrap/.cvsignore b/tests/test-c++-yywrap/.cvsignore
new file mode 100644
index 0000000..31ef089
--- /dev/null
+++ b/tests/test-c++-yywrap/.cvsignore
@@ -0,0 +1,6 @@
+Makefile
+Makefile.in
+scanner.cpp
+OUTPUT
+.deps
+test-c++-yywrap
diff --git a/tests/test-c++-yywrap/Makefile.am b/tests/test-c++-yywrap/Makefile.am
new file mode 100644
index 0000000..2929f28
--- /dev/null
+++ b/tests/test-c++-yywrap/Makefile.am
@@ -0,0 +1,45 @@
+# This file is part of flex.
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+
+# Neither the name of the University nor the names of its contributors
+# may be used to endorse or promote products derived from this software
+# without specific prior written permission.
+
+# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE.
+
+
+FLEX = $(top_builddir)/flex
+
+EXTRA_DIST = scanner.l test.input
+CLEANFILES = scanner.cpp scanner.h test-c++-yywrap OUTPUT $(OBJS)
+OBJS = scanner.o
+
+AM_CPPFLAGS = -I$(srcdir) -I$(top_srcdir) -I$(top_builddir)
+LFLAGS = -+
+#LDFLAGS = 
+
+testname = test-c++-yywrap
+
+scanner.cpp: $(srcdir)/scanner.l
+	$(FLEX) $(LFLAGS) $<
+
+$(testname)$(EXEEXT): $(OBJS)
+	$(CXX) -o $@ $(LDFLAGS) $(OBJS)
+
+test: $(testname)$(EXEEXT)
+	./$(testname)$(EXEEXT) $(srcdir)/test.input $(srcdir)/test.input $(srcdir)/test.input
+
+.cpp.o:
+	$(CXX) -c -o $@ $(AM_CPPFLAGS) $(CPPFLAGS) $(CFLAGS) $<
diff --git a/tests/test-c++-yywrap/scanner.l b/tests/test-c++-yywrap/scanner.l
new file mode 100644
index 0000000..433ad08
--- /dev/null
+++ b/tests/test-c++-yywrap/scanner.l
@@ -0,0 +1,70 @@
+/*
+ * This file is part of flex.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+%{
+
+#include "config.h"
+#include <fstream>
+
+%}
+
+%option 8bit outfile="scanner.cpp" prefix="test"
+%option nounput nomain
+%option warn c++
+
+
+%%
+
+.              { }
+
+%%
+
+#define MAX_FILES 10
+
+char *files[MAX_FILES] = { 0 };
+int filecounter = 0;
+
+int testFlexLexer::yywrap()
+{
+    if (filecounter-- > 0) {
+        std::cout << "NOW WRAPPING TO READ " << files[filecounter] << std::endl;
+        std::ifstream *ifs = new std::ifstream(files[filecounter]);
+        switch_streams(ifs);
+        return 0;
+    }
+    return 1;
+}
+
+int
+main (int argc, char *argv[])
+{
+    for (int i = 1; i < argc && i <= MAX_FILES; i++) {
+        files[i-1] = argv[i];
+	filecounter++;
+    }
+    testFlexLexer* f = new testFlexLexer;
+    f->yywrap();
+    f->yylex();
+    std::cout << "TEST RETURNING OK." << std::endl;
+    return 0;
+}
diff --git a/tests/test-c++-yywrap/test.input b/tests/test-c++-yywrap/test.input
new file mode 100644
index 0000000..7288a40
--- /dev/null
+++ b/tests/test-c++-yywrap/test.input
@@ -0,0 +1,2 @@
+0000 foo 1111 foo 0000 bar
+0000 foo 1111 foo 0000 bar