Added checks for printing extremal values of the various signed and u…

…nsigned integer types; regards issue mpaland#118.
eyalroz · Aug 2, 2021 · d75320d · d75320d
1 parent 93b2678
commit d75320d
Showing 1 changed file with 48 additions and 1 deletion.
diff --git a/test/test_suite.cpp b/test/test_suite.cpp
@@ -33,7 +33,7 @@
 #include <string.h>
 #include <sstream>
 #include <math.h>
-
+#include <limits>
 
 namespace test {
   // use functions in own test namespace to avoid stdio conflicts
@@ -1055,6 +1055,53 @@ TEST_CASE("misc", "[]" ) {
 #endif
 }
 
+TEST_CASE("extremal signed integer values", "[]" ) {
+  char buffer[100];
+  char expected[100];
+
+  std::sprintf(expected, "%hd", std::numeric_limits<short int>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%hd", std::numeric_limits<short int>::max());
+
+  std::sprintf(expected, "%hd", std::numeric_limits<short int>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%hd", std::numeric_limits<short int>::max());
+
+  std::sprintf(expected, "%d", std::numeric_limits<int>::min());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%d", std::numeric_limits<int>::min());
+
+  std::sprintf(expected, "%d", std::numeric_limits<int>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%d", std::numeric_limits<int>::max());
+
+  std::sprintf(expected, "%ld", std::numeric_limits<long int>::min());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%ld", std::numeric_limits<long int>::min());
+
+  std::sprintf(expected, "%ld", std::numeric_limits<long int>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%ld", std::numeric_limits<long int>::max());
+
+  std::sprintf(expected, "%lld", std::numeric_limits<long long int>::min());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%lld", std::numeric_limits<long long int>::min());
+
+  std::sprintf(expected, "%lld", std::numeric_limits<long long int>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%lld", std::numeric_limits<long long int>::max());
+}
+
+TEST_CASE("extremal unsigned integer values", "[]" ) {
+  char buffer[100];
+  char expected[100];
+
+  std::sprintf(expected, "%hu", std::numeric_limits<short unsigned>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%hu", std::numeric_limits<short unsigned>::max());
+
+  std::sprintf(expected, "%u", std::numeric_limits<unsigned>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%u", std::numeric_limits<unsigned>::max());
+
+  std::sprintf(expected, "%lu", std::numeric_limits<long unsigned>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%lu", std::numeric_limits<long unsigned>::max());
+
+  std::sprintf(expected, "%llu", std::numeric_limits<long long unsigned>::max());
+  PRINTING_CHECK(expected, ==, test::sprintf_, buffer, "%llu", std::numeric_limits<long long unsigned>::max());
+}
+
+
 #ifdef TEST_WITH_NON_STANDARD_FORMAT_STRINGS
 DISABLE_WARNING_POP
 #endif