diff options
| -rw-r--r-- | 002test.cc | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/002test.cc b/002test.cc index d59309a2..37698d30 100644 --- a/002test.cc +++ b/002test.cc @@ -82,7 +82,9 @@ void run_test(size_t i) { } bool is_integer(const string& s) { - return s.find_first_not_of("0123456789-") == string::npos; + return s.find_first_not_of("0123456789-") == string::npos + && s.find('-', 1) == string::npos + && s.find_first_of("0123456789") != string::npos; } long long int to_integer(string n) { @@ -94,5 +96,15 @@ long long int to_integer(string n) { return result; } +void test_is_integer() { + CHECK(is_integer("1234")); + CHECK(is_integer("-1")); + CHECK(!is_integer("234.0")); + CHECK(is_integer("-567")); + CHECK(!is_integer("89-0")); + CHECK(!is_integer("-")); + CHECK(!is_integer("1e3")); // not supported +} + :(before "End Includes") #include<cstdlib> |