1 files changed, 142 insertions, 0 deletions
diff --git a/testing/fulltests/unit-tests/T003copy_nword_clib.c b/testing/fulltests/unit-tests/T003copy_nword_clib.c
new file mode 100644
index 0000000..7d67ed0
--- /dev/null
+++ b/testing/fulltests/unit-tests/T003copy_nword_clib.c
@@ -0,0 +1,142 @@
+/* HEADER Testing copy_nword */
+
+#define ASSERT1(cond)                                           \
+  do {                                                          \
+    ++__test_counter;                                           \
+    if ((cond))                                                 \
+      printf("ok %d\n", __test_counter);                        \
+    else {                                                      \
+      printf("not ok %d - %d: %s failed\n",                     \
+             __test_counter, __LINE__, #cond);                  \
+    }                                                           \
+  } while (0)
+
+#define ASSERT2(cond, on_error)                                 \
+  do {                                                          \
+    ++__test_counter;                                           \
+    if ((cond))                                                 \
+      printf("ok %d\n", __test_counter);                        \
+    else {                                                      \
+      printf("not ok %d - %d: %s failed, ",                     \
+             __test_counter, __LINE__, #cond);                  \
+      printf on_error ;                                         \
+    }                                                           \
+  } while (0)
+
+{
+  /* A quoted string */
+  char input[] = "\"The red rose\"";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The red rose") == 0,
+          ("output = >%s<\n", output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Escaped quotes */
+  char input[] = "\\\"The red rose\\\"";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "\"The") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == input + 6,
+          ("run = input + %" NETSNMP_PRIz "d\n", run - input));
+  run = copy_nword(run, output, sizeof(output));
+  ASSERT2(strcmp(output, "red") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == input + 10,
+          ("run = input + %" NETSNMP_PRIz "d\n", run - input));
+  run = copy_nword(run, output, sizeof(output));
+  ASSERT2(strcmp(output, "rose\"") == 0, ("output = >%s<\n", output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Unterminated "-quote */
+  char input[] = "\"The";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Unterminated '-quote */
+  char input[] = "\'The";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Extract from NULL */
+  char output[10] = "";
+  char* run = NULL;
+  run = copy_nword(run, output, sizeof(output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Extract to NULL */
+  char input[] = "The red rose";
+  char* output = NULL;
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Long token */
+  char input[] = "\"Very long token that overflows the buffer\" foo";
+  char output[10] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "Very long") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == input + 44,
+          ("run = input + %" NETSNMP_PRIz "d\n", run - input));
+}
+
+{
+  /* Quoted end of string / embedded \0 */
+  char input[] = "The\\\0red rose";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The\\") == 0, ("output = >%s<\n", output));
+  ASSERT1(run == NULL);
+}
+
+{
+  /* Empty string */
+  char input[] = "";
+  char output[sizeof(input) + 1] = "X";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == NULL, ("run = >%s<\n", run));
+}
+
+{
+  /* Whitespace string */
+  char input[] = "    \t   ";
+  char output[sizeof(input)] = "X";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == NULL, ("run = >%s<\n", run));
+}
+
+{
+  /* Quote, no whitespace after */
+  char input[] = "\"The\"red rose";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == input + 5,
+          ("run = input + %" NETSNMP_PRIz "d\n", run - input));
+}
+
+{
+  /* Quote, no whitespace before */
+  char input[] = "The\"red\" rose";
+  char output[sizeof(input)] = "";
+  char* run = copy_nword(input, output, sizeof(output));
+  ASSERT2(strcmp(output, "The\"red\"") == 0, ("output = >%s<\n", output));
+  ASSERT2(run == input + 9,
+          ("run = input + %" NETSNMP_PRIz "d\n", run - input));
+}