/* Copyright (C) 2010 Wildfire Games. * This file is part of 0 A.D. * * 0 A.D. 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 2 of the License, or * (at your option) any later version. * * 0 A.D. 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 0 A.D. If not, see . */ #include "lib/self_test.h" #include "scriptinterface/ScriptInterface.h" #include "maths/Fixed.h" #include "maths/MathUtil.h" #include "ps/CLogger.h" #include "jsapi.h" class TestScriptConversions : public CxxTest::TestSuite { template void convert_to(const T& value, const std::string& expected) { ScriptInterface script("Test", "Test", g_ScriptRuntime); JSContext* cx = script.GetContext(); JSAutoRequest rq(cx); JS::RootedValue v1(cx); ScriptInterface::ToJSVal(cx, &v1, value); // We want to convert values to strings, but can't just call toSource() on them // since they might not be objects. So just use uneval. std::string source; JS::RootedValue global(cx, script.GetGlobalObject()); TS_ASSERT(script.CallFunction(global, "uneval", v1, source)); TS_ASSERT_STR_EQUALS(source, expected); } template void roundtrip(const T& value, const char* expected) { ScriptInterface script("Test", "Test", g_ScriptRuntime); JSContext* cx = script.GetContext(); JSAutoRequest rq(cx); JS::RootedValue v1(cx); ScriptInterface::ToJSVal(cx, &v1, value); std::string source; JS::RootedValue global(cx, script.GetGlobalObject()); TS_ASSERT(script.CallFunction(global, "uneval", v1, source)); if (expected) TS_ASSERT_STR_EQUALS(source, expected); T v2 = T(); TS_ASSERT(ScriptInterface::FromJSVal(cx, v1, v2)); TS_ASSERT_EQUALS(value, v2); } public: void test_roundtrip() { roundtrip(true, "true"); roundtrip(false, "false"); roundtrip(0, "0"); roundtrip(0.5, "0.5"); roundtrip(1e9f, "1000000000"); roundtrip(1e30f, "1.0000000150474662e+30"); roundtrip(0, "0"); roundtrip(123, "123"); roundtrip(-123, "-123"); roundtrip(1073741822, "1073741822"); // JSVAL_INT_MAX-1 roundtrip(1073741823, "1073741823"); // JSVAL_INT_MAX roundtrip(-1073741823, "-1073741823"); // JSVAL_INT_MIN+1 roundtrip(-1073741824, "-1073741824"); // JSVAL_INT_MIN roundtrip(0, "0"); roundtrip(123, "123"); roundtrip(1073741822, "1073741822"); // JSVAL_INT_MAX-1 roundtrip(1073741823, "1073741823"); // JSVAL_INT_MAX { TestLogger log; // swallow warnings about values not being stored as INT jsvals roundtrip(1073741824, "1073741824"); // JSVAL_INT_MAX+1 roundtrip(-1073741825, "-1073741825"); // JSVAL_INT_MIN-1 roundtrip(1073741824, "1073741824"); // JSVAL_INT_MAX+1 } std::string s1 = "test"; s1[1] = '\0'; std::wstring w1 = L"test"; w1[1] = '\0'; roundtrip("", "\"\""); roundtrip("test", "\"test\""); roundtrip(s1, "\"t\\x00st\""); // TODO: should test non-ASCII strings roundtrip(L"", "\"\""); roundtrip(L"test", "\"test\""); roundtrip(w1, "\"t\\x00st\""); // TODO: should test non-ASCII strings convert_to("", "\"\""); convert_to("test", "\"test\""); convert_to(s1.c_str(), "\"t\""); roundtrip(fixed::FromInt(0), "0"); roundtrip(fixed::FromInt(123), "123"); roundtrip(fixed::FromInt(-123), "-123"); roundtrip(fixed::FromDouble(123.25), "123.25"); } void test_integers() { ScriptInterface script("Test", "Test", g_ScriptRuntime); JSContext* cx = script.GetContext(); JSAutoRequest rq(cx); // using new uninitialized variables each time to be sure the test doesn't succeeed if ToJSVal doesn't touch the value at all. JS::RootedValue val0(cx), val1(cx), val2(cx), val3(cx), val4(cx), val5(cx), val6(cx), val7(cx), val8(cx); ScriptInterface::ToJSVal(cx, &val0, 0); ScriptInterface::ToJSVal(cx, &val1, 2147483646); // JSVAL_INT_MAX-1 ScriptInterface::ToJSVal(cx, &val2, 2147483647); // JSVAL_INT_MAX ScriptInterface::ToJSVal(cx, &val3, -2147483647); // JSVAL_INT_MIN+1 ScriptInterface::ToJSVal(cx, &val4, -(i64)2147483648u); // JSVAL_INT_MIN TS_ASSERT(JSVAL_IS_INT(val0)); TS_ASSERT(JSVAL_IS_INT(val1)); TS_ASSERT(JSVAL_IS_INT(val2)); TS_ASSERT(JSVAL_IS_INT(val3)); TS_ASSERT(JSVAL_IS_INT(val4)); ScriptInterface::ToJSVal(cx, &val5, 0); ScriptInterface::ToJSVal(cx, &val6, 2147483646u); // JSVAL_INT_MAX-1 ScriptInterface::ToJSVal(cx, &val7, 2147483647u); // JSVAL_INT_MAX ScriptInterface::ToJSVal(cx, &val8, 2147483648u); // JSVAL_INT_MAX+1 TS_ASSERT(JSVAL_IS_INT(val5)); TS_ASSERT(JSVAL_IS_INT(val6)); TS_ASSERT(JSVAL_IS_INT(val7)); TS_ASSERT(JSVAL_IS_DOUBLE(val8)); } void test_nonfinite() { roundtrip(std::numeric_limits::infinity(), "Infinity"); roundtrip(-std::numeric_limits::infinity(), "-Infinity"); convert_to(std::numeric_limits::quiet_NaN(), "NaN"); // can't use roundtrip since nan != nan ScriptInterface script("Test", "Test", g_ScriptRuntime); JSContext* cx = script.GetContext(); JSAutoRequest rq(cx); float f = 0; JS::RootedValue testNANVal(cx); ScriptInterface::ToJSVal(cx, &testNANVal, NAN); TS_ASSERT(ScriptInterface::FromJSVal(cx, testNANVal, f)); TS_ASSERT(isnan(f)); } // TODO: test vectors void test_fixed() { // NOTE: fixed conversions are defined in simulation2/scripting/EngineScriptConversions.cpp fixed f; f.SetInternalValue(10590283); roundtrip(f, "161.5948944091797"); f.SetInternalValue(-10590283); roundtrip(f, "-161.5948944091797"); f.SetInternalValue(2000000000); roundtrip(f, "30517.578125"); f.SetInternalValue(2000000001); roundtrip(f, "30517.57814025879"); } };