test: mutt_str_atoul()

diff --git a/test/string/mutt_str_atoul.c b/test/string/mutt_str_atoul.c
index 5ec4b88898fabc6d7d6321ef866ff6393870d70e..622508acb42e1c1a098a1480167c70ca1855be53 100644 (file)
--- a/test/string/mutt_str_atoul.c
+++ b/test/string/mutt_str_atoul.c
@@ -23,13 +23,75 @@
 #define TEST_NO_MAIN
 #include "acutest.h"
 #include "config.h"
+#include <limits.h>
 #include "mutt/mutt.h"
 
+struct TestValue
+{
+  const char *str;      ///< String to test
+  int retval;           ///< Expected return value
+  unsigned long result; ///< Expected result (outparam)
+};
+
+// clang-format off
+static const struct TestValue tests[] = {
+  // Valid tests
+  { "0",   0, 0 },
+  { "1",   0, 1 },
+  { "2",   0, 2 },
+  { "3",   0, 3 },
+  { " 3",  0, 3 },
+  { "  3", 0, 3 },
+
+  { "18446744073709551613",  0, 18446744073709551613UL },
+  { "18446744073709551614",  0, 18446744073709551614UL },
+  { "18446744073709551615",  0, 18446744073709551615UL },
+
+  // Out of range tests
+  { "18446744073709551616", -1, ULONG_MAX },
+  { "18446744073709551617", -1, ULONG_MAX },
+  { "18446744073709551618", -1, ULONG_MAX },
+
+  // Invalid tests
+  { "-3",          0,    18446744073709551613UL },
+  { " -3",         0,    18446744073709551613UL },
+  { "  -3",        0,    18446744073709551613UL },
+  { "abc",         1,    0 },
+  { "a123",        1,    0 },
+  { "a-123",       1,    0 },
+  { "0a",          1,    0 },
+  { "123a",        1,    123 },
+  { "1,234",       1,    1 },
+  { "1.234",       1,    1 },
+  { ".123",        1,    0 },
+  { "3 ",          1,    3 },
+};
+// clang-format on
+
+static const int UNEXPECTED = -9999;
+
 void test_mutt_str_atoul(void)
 {
   // int mutt_str_atoul(const char *str, unsigned long *dst);
 
+  unsigned long result = UNEXPECTED;
+  int retval = 0;
+
+  // Degenerate tests
+  TEST_CHECK(mutt_str_atoul(NULL, &result) == 0);
+  TEST_CHECK(mutt_str_atoul("42", NULL) == 0);
+
+  // Normal tests
+  for (size_t i = 0; i < mutt_array_size(tests); i++)
   {
-    TEST_CHECK(mutt_str_atoul(NULL, NULL) == 0);
+    result = UNEXPECTED;
+    retval = mutt_str_atoul(tests[i].str, &result);
+
+    const bool success = (retval == tests[i].retval) && (result == tests[i].result);
+    if (!TEST_CHECK_(success, "Testing '%s'\n", tests[i].str))
+    {
+      TEST_MSG("retval: Expected: %d, Got: %d\n", tests[i].retval, retval);
+      TEST_MSG("result: Expected: %lu, Got: %lu\n", tests[i].result, result);
+    }
   }
 }