actually commit new digit header and tests

app/common/digit.h

@@ -0,0 +1,45 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef DIGIT_H
+#define DIGIT_H
+
+#include <stdint.h>
+
+namespace olive {
+
+inline int64_t GetDigitCount(int64_t input)
+{
+  input = std::abs(input);
+
+  int64_t lim = 10;
+  int64_t digit = 1;
+
+  while (input >= lim) {
+    lim *= 10;
+    digit++;
+  }
+
+  return digit;
+}
+
+}
+
+#endif // DIGIT_H

tests/CMakeLists.txt

@@ -23,7 +23,7 @@ function(olive_add_test GROUP NAME SOURCE)
   foreach (TEST_FUNC ${TEST_FUNCTIONS})
     string(REPLACE "OLIVE_ADD_TEST(" "" TEST_FUNC "${TEST_FUNC}")
     string(APPEND TEST_BODY "  std::cout << \"[${TEST_INDEX}/${TEST_COUNT}] ${GROUP} - ${TEST_FUNC}\";\n")
-    string(APPEND TEST_BODY "  if (olive::Test${TEST_FUNC}()) {std::cout << \" - PASSED\" << std::endl;}else{std::cout << \" - FAILED\" << std::endl;return 1;\n}\n")
+    string(APPEND TEST_BODY "  if (olive::Test${TEST_FUNC}()) {std::cout << \" - PASSED\" << std::endl;}else{std::cout << \" - FAILED\" << std::endl;return 1;}\n")
     MATH(EXPR TEST_INDEX "${TEST_INDEX}+1")
   endforeach()
   string(APPEND TEST_BODY "  return 0;\n}")

tests/general/CMakeLists.txt

@@ -14,4 +14,5 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+olive_add_test(General common-tests common-tests.cpp)
 olive_add_test(General rational-tests rational-tests.cpp)

tests/general/common-tests.cpp

@@ -0,0 +1,49 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "testutil.h"
+
+#include "common/digit.h"
+
+namespace olive {
+
+OLIVE_ADD_TEST(DigitTest)
+{
+  OLIVE_ASSERT(GetDigitCount(1) == 1);
+  OLIVE_ASSERT(GetDigitCount(69) == 2);
+  OLIVE_ASSERT(GetDigitCount(420) == 3);
+  OLIVE_ASSERT(GetDigitCount(1337) == 4);
+  OLIVE_ASSERT(GetDigitCount(80085) == 5);
+  OLIVE_ASSERT(GetDigitCount(555555) == 6);
+  OLIVE_ASSERT(GetDigitCount(8675309) == 7);
+  OLIVE_ASSERT(GetDigitCount(78956423) == 8);
+  OLIVE_ASSERT(GetDigitCount(148497523) == 9);
+  OLIVE_ASSERT(GetDigitCount(4845821233) == 10);
+  OLIVE_ASSERT(GetDigitCount(18002738255) == 11);
+  OLIVE_ASSERT(GetDigitCount(180027382556) == 12);
+  OLIVE_ASSERT(GetDigitCount(1800273825568) == 13);
+  OLIVE_ASSERT(GetDigitCount(18002738255685) == 14);
+  OLIVE_ASSERT(GetDigitCount(180027382556857) == 15);
+  OLIVE_ASSERT(GetDigitCount(1800273825564857) == 16);
+
+  OLIVE_TEST_END;
+}
+
+}

tests/testutil.h

@@ -18,6 +18,8 @@
 
 ***/
 
+#include <iostream>
+
 #define OLIVE_ASSERT(x) if (!(x)) return false
 #define OLIVE_TEST_END return true