test: add idna tests for degenerate cases

diff --git a/test/idna/mutt_idna_intl_to_local.c b/test/idna/mutt_idna_intl_to_local.c
index e076b69286a4636a5ab9975a9996909bac99a413..a6e0e6d0e4f6532d75876d93d947af2b65e7fb07 100644 (file)
--- a/test/idna/mutt_idna_intl_to_local.c
+++ b/test/idna/mutt_idna_intl_to_local.c
@@ -29,4 +29,12 @@
 void test_mutt_idna_intl_to_local(void)
 {
   // char * mutt_idna_intl_to_local(const char *user, const char *domain, int flags);
+
+  {
+    TEST_CHECK(!mutt_idna_intl_to_local(NULL, "banana", 0));
+  }
+
+  {
+    TEST_CHECK(!mutt_idna_intl_to_local("apple", NULL, 0));
+  }
 }

diff --git a/test/idna/mutt_idna_local_to_intl.c b/test/idna/mutt_idna_local_to_intl.c
index 11c905855f586384d442b9d13432ccfbe6348aa1..63657cd7ad1f9cd9fe03c20ca9c4e7867f442dd8 100644 (file)
--- a/test/idna/mutt_idna_local_to_intl.c
+++ b/test/idna/mutt_idna_local_to_intl.c
@@ -29,4 +29,12 @@
 void test_mutt_idna_local_to_intl(void)
 {
   // char * mutt_idna_local_to_intl(const char *user, const char *domain);
+
+  {
+    TEST_CHECK(!mutt_idna_local_to_intl(NULL, "banana"));
+  }
+
+  {
+    TEST_CHECK(!mutt_idna_local_to_intl("apple", NULL));
+  }
 }

diff --git a/test/idna/mutt_idna_to_ascii_lz.c b/test/idna/mutt_idna_to_ascii_lz.c
index 68826c1e4f7b515df30dbba80333711366884328..bf45b32d8f45afcac4fa5fa84f18f1c82609a44d 100644 (file)
--- a/test/idna/mutt_idna_to_ascii_lz.c
+++ b/test/idna/mutt_idna_to_ascii_lz.c
@@ -29,4 +29,13 @@
 void test_mutt_idna_to_ascii_lz(void)
 {
   // int mutt_idna_to_ascii_lz(const char *input, char **output, int flags);
+
+  {
+    char *out = NULL;
+    TEST_CHECK(mutt_idna_to_ascii_lz(NULL, &out, 0) == -1);
+  }
+
+  {
+    TEST_CHECK(mutt_idna_to_ascii_lz("apple", NULL, 0) == -1);
+  }
 }