/* 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 "js/jsapi.h"
class TestScriptConversions : public CxxTest::TestSuite
{
template
void convert_to(const T& value, const std::string& expected)
{
ScriptInterface script("Test");
JSContext* cx = script.GetContext();
jsval v1 = ScriptInterface::ToJSVal(cx, 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;
TS_ASSERT(script.CallFunction(OBJECT_TO_JSVAL(JS_GetGlobalObject(cx)), "uneval", CScriptVal(v1), source));
TS_ASSERT_STR_EQUALS(source, expected);
}
template
void roundtrip(const T& value, const char* expected)
{
ScriptInterface script("Test");
JSContext* cx = script.GetContext();
jsval v1 = ScriptInterface::ToJSVal(cx, value);
std::string source;
TS_ASSERT(script.CallFunction(OBJECT_TO_JSVAL(JS_GetGlobalObject(cx)), "uneval", CScriptVal(v1), source));
if (expected)
TS_ASSERT_STR_EQUALS(source, expected);
T v2 = T();
TS_ASSERT(ScriptInterface::FromJSVal(script.GetContext(), 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\\0st\"");
// TODO: should test non-ASCII strings
roundtrip(L"", "\"\"");
roundtrip(L"test", "\"test\"");
roundtrip(w1, "\"t\\0st\"");
// 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");
JSContext* cx = script.GetContext();
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 0)));
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 2147483646))); // JSVAL_INT_MAX-1
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 2147483647))); // JSVAL_INT_MAX
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, -2147483647))); // JSVAL_INT_MIN+1
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, -(i64)2147483648))); // JSVAL_INT_MIN
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 0)));
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 2147483646))); // JSVAL_INT_MAX-1
TS_ASSERT(JSVAL_IS_INT(ScriptInterface::ToJSVal(cx, 2147483647))); // JSVAL_INT_MAX
TS_ASSERT(JSVAL_IS_DOUBLE(ScriptInterface::ToJSVal(cx, 2147483648))); // JSVAL_INT_MAX+1
}
void test_nonfinite()
{
roundtrip(INFINITY, "Infinity");
roundtrip(-INFINITY, "-Infinity");
convert_to(NAN, "NaN"); // can't use roundtrip since nan != nan
ScriptInterface script("Test");
JSContext* cx = script.GetContext();
float f = 0;
TS_ASSERT(ScriptInterface::FromJSVal(cx, ScriptInterface::ToJSVal(cx, NAN), 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");
}
};