mirror of https://github.com/minetest/minetest.git
329 lines
8.8 KiB
C++
329 lines
8.8 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "test.h"
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#include "util/numeric.h"
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#include "util/string.h"
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class TestUtilities : public TestBase {
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public:
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TestUtilities() { TestManager::registerTestModule(this); }
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const char *getName() { return "TestUtilities"; }
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void runTests(IGameDef *gamedef);
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void testAngleWrapAround();
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void testLowercase();
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void testTrim();
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void testIsYes();
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void testRemoveStringEnd();
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void testUrlEncode();
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void testUrlDecode();
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void testPadString();
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void testStartsWith();
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void testStrEqual();
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void testStringTrim();
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void testStrToIntConversion();
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void testStringReplace();
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void testStringAllowed();
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void testAsciiPrintableHelper();
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void testUTF8();
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void testRemoveEscapes();
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void testWrapRows();
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void testIsNumber();
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void testIsPowerOfTwo();
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void testMyround();
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};
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static TestUtilities g_test_instance;
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void TestUtilities::runTests(IGameDef *gamedef)
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{
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TEST(testAngleWrapAround);
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TEST(testLowercase);
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TEST(testTrim);
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TEST(testIsYes);
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TEST(testRemoveStringEnd);
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TEST(testUrlEncode);
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TEST(testUrlDecode);
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TEST(testPadString);
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TEST(testStartsWith);
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TEST(testStrEqual);
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TEST(testStringTrim);
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TEST(testStrToIntConversion);
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TEST(testStringReplace);
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TEST(testStringAllowed);
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TEST(testAsciiPrintableHelper);
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TEST(testUTF8);
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TEST(testRemoveEscapes);
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TEST(testWrapRows);
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TEST(testIsNumber);
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TEST(testIsPowerOfTwo);
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TEST(testMyround);
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}
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////////////////////////////////////////////////////////////////////////////////
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inline float ref_WrapDegrees180(float f)
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{
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// This is a slower alternative to the wrapDegrees_180() function;
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// used as a reference for testing
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float value = fmodf(f + 180, 360);
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if (value < 0)
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value += 360;
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return value - 180;
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}
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inline float ref_WrapDegrees_0_360(float f)
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{
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// This is a slower alternative to the wrapDegrees_0_360() function;
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// used as a reference for testing
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float value = fmodf(f, 360);
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if (value < 0)
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value += 360;
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return value < 0 ? value + 360 : value;
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}
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void TestUtilities::testAngleWrapAround()
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{
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UASSERT(fabs(modulo360f(100.0) - 100.0) < 0.001);
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UASSERT(fabs(modulo360f(720.5) - 0.5) < 0.001);
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UASSERT(fabs(modulo360f(-0.5) - (-0.5)) < 0.001);
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UASSERT(fabs(modulo360f(-365.5) - (-5.5)) < 0.001);
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for (float f = -720; f <= -360; f += 0.25) {
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UASSERT(fabs(modulo360f(f) - modulo360f(f + 360)) < 0.001);
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}
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for (float f = -1440; f <= 1440; f += 0.25) {
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UASSERT(fabs(modulo360f(f) - fmodf(f, 360)) < 0.001);
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UASSERT(fabs(wrapDegrees_180(f) - ref_WrapDegrees180(f)) < 0.001);
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UASSERT(fabs(wrapDegrees_0_360(f) - ref_WrapDegrees_0_360(f)) < 0.001);
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UASSERT(wrapDegrees_0_360(fabs(wrapDegrees_180(f) - wrapDegrees_0_360(f))) < 0.001);
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}
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}
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void TestUtilities::testLowercase()
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{
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UASSERT(lowercase("Foo bAR") == "foo bar");
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}
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void TestUtilities::testTrim()
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{
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UASSERT(trim("") == "");
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UASSERT(trim("dirt_with_grass") == "dirt_with_grass");
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UASSERT(trim("\n \t\r Foo bAR \r\n\t\t ") == "Foo bAR");
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UASSERT(trim("\n \t\r \r\n\t\t ") == "");
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}
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void TestUtilities::testIsYes()
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{
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UASSERT(is_yes("YeS") == true);
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UASSERT(is_yes("") == false);
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UASSERT(is_yes("FAlse") == false);
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UASSERT(is_yes("-1") == true);
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UASSERT(is_yes("0") == false);
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UASSERT(is_yes("1") == true);
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UASSERT(is_yes("2") == true);
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}
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void TestUtilities::testRemoveStringEnd()
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{
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const char *ends[] = {"abc", "c", "bc", "", NULL};
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UASSERT(removeStringEnd("abc", ends) == "");
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UASSERT(removeStringEnd("bc", ends) == "b");
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UASSERT(removeStringEnd("12c", ends) == "12");
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UASSERT(removeStringEnd("foo", ends) == "");
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}
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void TestUtilities::testUrlEncode()
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{
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UASSERT(urlencode("\"Aardvarks lurk, OK?\"")
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== "%22Aardvarks%20lurk%2C%20OK%3F%22");
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}
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void TestUtilities::testUrlDecode()
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{
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UASSERT(urldecode("%22Aardvarks%20lurk%2C%20OK%3F%22")
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== "\"Aardvarks lurk, OK?\"");
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}
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void TestUtilities::testPadString()
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{
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UASSERT(padStringRight("hello", 8) == "hello ");
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}
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void TestUtilities::testStartsWith()
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{
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UASSERT(str_starts_with(std::string(), std::string()) == true);
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UASSERT(str_starts_with(std::string("the sharp pickaxe"),
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std::string()) == true);
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UASSERT(str_starts_with(std::string("the sharp pickaxe"),
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std::string("the")) == true);
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UASSERT(str_starts_with(std::string("the sharp pickaxe"),
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std::string("The")) == false);
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UASSERT(str_starts_with(std::string("the sharp pickaxe"),
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std::string("The"), true) == true);
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UASSERT(str_starts_with(std::string("T"), std::string("The")) == false);
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}
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void TestUtilities::testStrEqual()
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{
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UASSERT(str_equal(narrow_to_wide("abc"), narrow_to_wide("abc")));
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UASSERT(str_equal(narrow_to_wide("ABC"), narrow_to_wide("abc"), true));
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}
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void TestUtilities::testStringTrim()
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{
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UASSERT(trim(" a") == "a");
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UASSERT(trim(" a ") == "a");
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UASSERT(trim("a ") == "a");
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UASSERT(trim("") == "");
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}
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void TestUtilities::testStrToIntConversion()
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{
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UASSERT(mystoi("123", 0, 1000) == 123);
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UASSERT(mystoi("123", 0, 10) == 10);
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}
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void TestUtilities::testStringReplace()
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{
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std::string test_str;
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test_str = "Hello there";
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str_replace(test_str, "there", "world");
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UASSERT(test_str == "Hello world");
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test_str = "ThisAisAaAtest";
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str_replace(test_str, 'A', ' ');
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UASSERT(test_str == "This is a test");
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}
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void TestUtilities::testStringAllowed()
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{
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UASSERT(string_allowed("hello", "abcdefghijklmno") == true);
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UASSERT(string_allowed("123", "abcdefghijklmno") == false);
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UASSERT(string_allowed_blacklist("hello", "123") == true);
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UASSERT(string_allowed_blacklist("hello123", "123") == false);
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}
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void TestUtilities::testAsciiPrintableHelper()
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{
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UASSERT(IS_ASCII_PRINTABLE_CHAR('e') == true);
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UASSERT(IS_ASCII_PRINTABLE_CHAR('\0') == false);
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// Ensures that there is no cutting off going on...
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// If there were, 331 would be cut to 75 in this example
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// and 73 is a valid ASCII char.
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int ch = 331;
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UASSERT(IS_ASCII_PRINTABLE_CHAR(ch) == false);
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}
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void TestUtilities::testUTF8()
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{
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UASSERT(wide_to_utf8(utf8_to_wide("")) == "");
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UASSERT(wide_to_utf8(utf8_to_wide("the shovel dug a crumbly node!"))
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== "the shovel dug a crumbly node!");
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}
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void TestUtilities::testRemoveEscapes()
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{
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UASSERT(unescape_enriched<wchar_t>(
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L"abc\x1bXdef") == L"abcdef");
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UASSERT(unescape_enriched<wchar_t>(
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L"abc\x1b(escaped)def") == L"abcdef");
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UASSERT(unescape_enriched<wchar_t>(
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L"abc\x1b((escaped with parenthesis\\))def") == L"abcdef");
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UASSERT(unescape_enriched<wchar_t>(
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L"abc\x1b(incomplete") == L"abc");
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UASSERT(unescape_enriched<wchar_t>(
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L"escape at the end\x1b") == L"escape at the end");
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// Nested escapes not supported
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UASSERT(unescape_enriched<wchar_t>(
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L"abc\x1b(outer \x1b(inner escape)escape)def") == L"abcescape)def");
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}
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void TestUtilities::testWrapRows()
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{
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UASSERT(wrap_rows("12345678",4) == "1234\n5678");
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// test that wrap_rows doesn't wrap inside multibyte sequences
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{
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const unsigned char s[] = {
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0x2f, 0x68, 0x6f, 0x6d, 0x65, 0x2f, 0x72, 0x61, 0x70, 0x74, 0x6f,
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0x72, 0x2f, 0xd1, 0x82, 0xd0, 0xb5, 0xd1, 0x81, 0xd1, 0x82, 0x2f,
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0x6d, 0x69, 0x6e, 0x65, 0x74, 0x65, 0x73, 0x74, 0x2f, 0x62, 0x69,
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0x6e, 0x2f, 0x2e, 0x2e, 0};
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std::string str((char *)s);
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UASSERT(utf8_to_wide(wrap_rows(str, 20)) != L"<invalid UTF-8 string>");
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};
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{
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const unsigned char s[] = {
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0x74, 0x65, 0x73, 0x74, 0x20, 0xd1, 0x82, 0xd0, 0xb5, 0xd1, 0x81,
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0xd1, 0x82, 0x20, 0xd1, 0x82, 0xd0, 0xb5, 0xd1, 0x81, 0xd1, 0x82,
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0x20, 0xd1, 0x82, 0xd0, 0xb5, 0xd1, 0x81, 0xd1, 0x82, 0};
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std::string str((char *)s);
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UASSERT(utf8_to_wide(wrap_rows(str, 8)) != L"<invalid UTF-8 string>");
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}
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}
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void TestUtilities::testIsNumber()
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{
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UASSERT(is_number("123") == true);
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UASSERT(is_number("") == false);
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UASSERT(is_number("123a") == false);
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}
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void TestUtilities::testIsPowerOfTwo()
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{
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UASSERT(is_power_of_two(0) == false);
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UASSERT(is_power_of_two(1) == true);
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UASSERT(is_power_of_two(2) == true);
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UASSERT(is_power_of_two(3) == false);
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for (int exponent = 2; exponent <= 31; ++exponent) {
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UASSERT(is_power_of_two((1 << exponent) - 1) == false);
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UASSERT(is_power_of_two((1 << exponent)) == true);
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UASSERT(is_power_of_two((1 << exponent) + 1) == false);
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}
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UASSERT(is_power_of_two(U32_MAX) == false);
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}
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void TestUtilities::testMyround()
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{
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UASSERT(myround(4.6f) == 5);
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UASSERT(myround(1.2f) == 1);
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UASSERT(myround(-3.1f) == -3);
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UASSERT(myround(-6.5f) == -7);
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}
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