From: Richard Russon <rich@flatcap.org>
Date: Mon, 29 Apr 2019 13:46:56 +0000 (+0100)
Subject: test: add mbyte tests for degenerate cases
X-Git-Tag: 2019-10-25~233^2~61
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7572850fd0d425dcac421d51bdc96bb664c84731;p=neomutt

test: add mbyte tests for degenerate cases
---

diff --git a/test/mbyte/mutt_mb_charlen.c b/test/mbyte/mutt_mb_charlen.c
index 7288bd8d1..7165029e3 100644
--- a/test/mbyte/mutt_mb_charlen.c
+++ b/test/mbyte/mutt_mb_charlen.c
@@ -28,4 +28,13 @@
 void test_mutt_mb_charlen(void)
 {
   // int mutt_mb_charlen(const char *s, int *width);
+
+  {
+    int width = 0;
+    TEST_CHECK(mutt_mb_charlen(NULL, &width) == 0);
+  }
+
+  {
+    TEST_CHECK(mutt_mb_charlen("apple", NULL) != 0);
+  }
 }
diff --git a/test/mbyte/mutt_mb_filter_unprintable.c b/test/mbyte/mutt_mb_filter_unprintable.c
index c217f8552..837effba1 100644
--- a/test/mbyte/mutt_mb_filter_unprintable.c
+++ b/test/mbyte/mutt_mb_filter_unprintable.c
@@ -28,4 +28,13 @@
 void test_mutt_mb_filter_unprintable(void)
 {
   // int mutt_mb_filter_unprintable(char **s);
+
+  {
+    TEST_CHECK(mutt_mb_filter_unprintable(NULL) != 0);
+  }
+
+  {
+    char *s = NULL;
+    TEST_CHECK(mutt_mb_filter_unprintable(&s) != 0);
+  }
 }
diff --git a/test/mbyte/mutt_mb_get_initials.c b/test/mbyte/mutt_mb_get_initials.c
index 07748af03..da520d567 100644
--- a/test/mbyte/mutt_mb_get_initials.c
+++ b/test/mbyte/mutt_mb_get_initials.c
@@ -28,4 +28,13 @@
 void test_mutt_mb_get_initials(void)
 {
   // bool mutt_mb_get_initials(const char *name, char *buf, size_t buflen);
+
+  {
+    char buf[32] = { 0 };
+    TEST_CHECK(!mutt_mb_get_initials(NULL, buf, sizeof(buf)));
+  }
+
+  {
+    TEST_CHECK(!mutt_mb_get_initials("apple", NULL, 10));
+  }
 }
diff --git a/test/mbyte/mutt_mb_is_lower.c b/test/mbyte/mutt_mb_is_lower.c
index 51cc317ab..7be1e6153 100644
--- a/test/mbyte/mutt_mb_is_lower.c
+++ b/test/mbyte/mutt_mb_is_lower.c
@@ -28,4 +28,8 @@
 void test_mutt_mb_is_lower(void)
 {
   // bool mutt_mb_is_lower(const char *s);
+
+  {
+    TEST_CHECK(!mutt_mb_is_lower(NULL));
+  }
 }
diff --git a/test/mbyte/mutt_mb_mbstowcs.c b/test/mbyte/mutt_mb_mbstowcs.c
index 1030a5e69..ed95022bd 100644
--- a/test/mbyte/mutt_mb_mbstowcs.c
+++ b/test/mbyte/mutt_mb_mbstowcs.c
@@ -28,4 +28,20 @@
 void test_mutt_mb_mbstowcs(void)
 {
   // size_t mutt_mb_mbstowcs(wchar_t **pwbuf, size_t *pwbuflen, size_t i, char *buf);
+
+  {
+    size_t pwbuflen = 0;
+    TEST_CHECK(mutt_mb_mbstowcs(NULL, &pwbuflen, 0, "apple") == 0);
+  }
+
+  {
+    wchar_t *wbuf = NULL;
+    TEST_CHECK(mutt_mb_mbstowcs(&wbuf, NULL, 0, "apple") == 0);
+  }
+
+  {
+    wchar_t *wbuf = NULL;
+    size_t pwbuflen = 0;
+    TEST_CHECK(mutt_mb_mbstowcs(&wbuf, &pwbuflen, 0, NULL) == 0);
+  }
 }
diff --git a/test/mbyte/mutt_mb_wcstombs.c b/test/mbyte/mutt_mb_wcstombs.c
index d316336f2..ed7ce0fa5 100644
--- a/test/mbyte/mutt_mb_wcstombs.c
+++ b/test/mbyte/mutt_mb_wcstombs.c
@@ -28,4 +28,16 @@
 void test_mutt_mb_wcstombs(void)
 {
   // void mutt_mb_wcstombs(char *dest, size_t dlen, const wchar_t *src, size_t slen);
+
+  {
+    wchar_t src[32] = L"apple";
+    mutt_mb_wcstombs(NULL, 10, src, 3);
+    TEST_CHECK_(1, "mutt_mb_wcstombs(&buf, sizeof(buf), src, 3)");
+  }
+
+  {
+    char buf[32] = { 0 };
+    mutt_mb_wcstombs(buf, sizeof(buf), NULL, 3);
+    TEST_CHECK_(1, "mutt_mb_wcstombs(&buf, sizeof(buf), NULL, 3)");
+  }
 }
diff --git a/test/mbyte/mutt_mb_wcswidth.c b/test/mbyte/mutt_mb_wcswidth.c
index e83e160ab..d378bb31a 100644
--- a/test/mbyte/mutt_mb_wcswidth.c
+++ b/test/mbyte/mutt_mb_wcswidth.c
@@ -28,4 +28,8 @@
 void test_mutt_mb_wcswidth(void)
 {
   // int mutt_mb_wcswidth(const wchar_t *s, size_t n);
+
+  {
+    TEST_CHECK(mutt_mb_wcswidth(NULL, 0) == 0);
+  }
 }
diff --git a/test/mbyte/mutt_mb_width.c b/test/mbyte/mutt_mb_width.c
index 92ddd732c..65c5d6083 100644
--- a/test/mbyte/mutt_mb_width.c
+++ b/test/mbyte/mutt_mb_width.c
@@ -28,4 +28,8 @@
 void test_mutt_mb_width(void)
 {
   // int mutt_mb_width(const char *str, int col, bool display);
+
+  {
+    TEST_CHECK(mutt_mb_width(NULL, 0, false) == 0);
+  }
 }
diff --git a/test/mbyte/mutt_mb_width_ceiling.c b/test/mbyte/mutt_mb_width_ceiling.c
index 64a5a0e4f..3590ed6c2 100644
--- a/test/mbyte/mutt_mb_width_ceiling.c
+++ b/test/mbyte/mutt_mb_width_ceiling.c
@@ -28,4 +28,8 @@
 void test_mutt_mb_width_ceiling(void)
 {
   // size_t mutt_mb_width_ceiling(const wchar_t *s, size_t n, int w1);
+
+  {
+    TEST_CHECK(mutt_mb_width_ceiling(NULL, 0, 0) == 0);
+  }
 }