diff options
| -rw-r--r-- | core/string/ustring.cpp | 33 | ||||
| -rw-r--r-- | tests/core/string/test_string.h | 40 |
2 files changed, 58 insertions, 15 deletions
diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp index a2b1e4c428..5d998d22d4 100644 --- a/core/string/ustring.cpp +++ b/core/string/ustring.cpp @@ -4427,7 +4427,7 @@ String String::sprintf(const Array &values, bool *error) const { int min_chars = 0; int min_decimals = 0; bool in_decimals = false; - bool pad_with_zeroes = false; + bool pad_with_zeros = false; bool left_justified = false; bool show_sign = false; @@ -4480,7 +4480,7 @@ String String::sprintf(const Array &values, bool *error) const { // Padding. int pad_chars_count = (value < 0 || show_sign) ? min_chars - 1 : min_chars; - String pad_char = pad_with_zeroes ? String("0") : String(" "); + String pad_char = pad_with_zeros ? String("0") : String(" "); if (left_justified) { str = str.rpad(pad_chars_count, pad_char); } else { @@ -4488,10 +4488,13 @@ String String::sprintf(const Array &values, bool *error) const { } // Sign. - if (show_sign && value >= 0) { - str = str.insert(pad_with_zeroes ? 0 : str.length() - number_len, "+"); - } else if (value < 0) { - str = str.insert(pad_with_zeroes ? 0 : str.length() - number_len, "-"); + if (show_sign || value < 0) { + String sign_char = value < 0 ? "-" : "+"; + if (left_justified) { + str = str.insert(0, sign_char); + } else { + str = str.insert(pad_with_zeros ? 0 : str.length() - number_len, sign_char); + } } formatted += str; @@ -4520,13 +4523,9 @@ String String::sprintf(const Array &values, bool *error) const { // Padding. Leave room for sign later if required. int pad_chars_count = (is_negative || show_sign) ? min_chars - 1 : min_chars; - String pad_char = pad_with_zeroes ? String("0") : String(" "); + String pad_char = pad_with_zeros ? String("0") : String(" "); if (left_justified) { - if (pad_with_zeroes) { - return "left justification cannot be used with zeros as the padding"; - } else { - str = str.rpad(pad_chars_count, pad_char); - } + str = str.rpad(pad_chars_count, pad_char); } else { str = str.lpad(pad_chars_count, pad_char); } @@ -4537,7 +4536,7 @@ String String::sprintf(const Array &values, bool *error) const { if (left_justified) { str = str.insert(0, sign_char); } else { - str = str.insert(pad_with_zeroes ? 0 : str.length() - initial_len, sign_char); + str = str.insert(pad_with_zeros ? 0 : str.length() - initial_len, sign_char); } } @@ -4626,7 +4625,11 @@ String String::sprintf(const Array &values, bool *error) const { min_decimals += n; } else { if (c == '0' && min_chars == 0) { - pad_with_zeroes = true; + if (left_justified) { + WARN_PRINT("'0' flag ignored with '-' flag in string format"); + } else { + pad_with_zeros = true; + } } else { min_chars *= 10; min_chars += n; @@ -4675,7 +4678,7 @@ String String::sprintf(const Array &values, bool *error) const { // Back to defaults: min_chars = 0; min_decimals = 6; - pad_with_zeroes = false; + pad_with_zeros = false; left_justified = false; show_sign = false; in_decimals = false; diff --git a/tests/core/string/test_string.h b/tests/core/string/test_string.h index 87016dddf6..58372a0ed6 100644 --- a/tests/core/string/test_string.h +++ b/tests/core/string/test_string.h @@ -636,6 +636,38 @@ TEST_CASE("[String] sprintf") { REQUIRE(error == false); CHECK(output == String("fish -5 frog")); + // Negative int left padded with spaces. + format = "fish %5d frog"; + args.clear(); + args.push_back(-5); + output = format.sprintf(args, &error); + REQUIRE(error == false); + CHECK(output == String("fish -5 frog")); + + // Negative int left padded with zeros. + format = "fish %05d frog"; + args.clear(); + args.push_back(-5); + output = format.sprintf(args, &error); + REQUIRE(error == false); + CHECK(output == String("fish -0005 frog")); + + // Negative int right padded with spaces. + format = "fish %-5d frog"; + args.clear(); + args.push_back(-5); + output = format.sprintf(args, &error); + REQUIRE(error == false); + CHECK(output == String("fish -5 frog")); + + // Negative int right padded with zeros. (0 ignored) + format = "fish %-05d frog"; + args.clear(); + args.push_back(-5); + output = format.sprintf(args, &error); + REQUIRE(error == false); + CHECK(output == String("fish -5 frog")); + // Hex (lower) format = "fish %x frog"; args.clear(); @@ -726,6 +758,14 @@ TEST_CASE("[String] sprintf") { REQUIRE(error == false); CHECK(output == String("fish 100 frog")); + // Negative real right padded with zeros. (0 ignored) + format = "fish %-011f frog"; + args.clear(); + args.push_back(-99.99); + output = format.sprintf(args, &error); + REQUIRE(error == false); + CHECK(output == String("fish -99.990000 frog")); + /////// Strings. // String |