Standalone test for upstream laurikari#101.

tests/Makefile.am

@@ -68,3 +68,8 @@ TESTS = test-str-source retest
 if TRE_MULTIBYTE
 TESTS += wretest
 endif TRE_MULTIBYTE
+
+check_PROGRAMS += bore
+bore_SOURCES = bore.c
+bore_CPPFLAGS = $(retest_CPPFLAGS)
+bore_LDADD = $(retest_LDADD)

tests/bore.c

@@ -0,0 +1,26 @@
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <regex.h>
+#include <stdio.h>
+
+int main(void)
+{
+  regex_t reg;
+
+  if (regcomp(&reg, "^|$", REG_EXTENDED | REG_NOSUB) != 0)
+    return 2;
+  /* should not match becuase BOL and EOL are disabled */
+  if (regexec(&reg, "", 0, NULL, REG_NOTBOL | REG_NOTEOL) != REG_NOMATCH)
+    return 1;
+  /* should match because BOL is disabled but EOL is not */
+  if (regexec(&reg, "", 0, NULL, REG_NOTBOL) != 0)
+    return 1;
+  /* should match because EOL is disabled but BOL is not */
+  if (regexec(&reg, "", 0, NULL, REG_NOTEOL) != 0)
+    return 1;
+  regfree(&reg);
+  return 0;
+}
+