0ad/source/scriptinterface/tests/test_ScriptConversions.h
leper b18cd3254c Test FixedVector{2,3}D script conversions, and test calling functions of the prototypes.
Also ENSURE that the given value identifier is actually present in the
cache instead of creating one if it is not.

This was SVN commit r17603.
2016-01-04 21:41:40 +00:00

259 lines
8.3 KiB
C++

/* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
*/
#include "lib/self_test.h"
#include "scriptinterface/ScriptInterface.h"
#include "maths/Fixed.h"
#include "maths/FixedVector2D.h"
#include "maths/FixedVector3D.h"
#include "maths/MathUtil.h"
#include "ps/CLogger.h"
#include "ps/Filesystem.h"
#include "jsapi.h"
class TestScriptConversions : public CxxTest::TestSuite
{
template <typename T>
void convert_to(const T& value, const std::string& expected)
{
ScriptInterface script("Test", "Test", g_ScriptRuntime);
TS_ASSERT(script.LoadGlobalScripts());
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 <typename T>
void roundtrip(const T& value, const char* expected)
{
ScriptInterface script("Test", "Test", g_ScriptRuntime);
TS_ASSERT(script.LoadGlobalScripts());
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);
}
template <typename T>
void call_prototype_function(const T& u, const T& v, const std::string& func, const std::string& expected)
{
ScriptInterface script("Test", "Test", g_ScriptRuntime);
TS_ASSERT(script.LoadGlobalScripts());
JSContext* cx = script.GetContext();
JSAutoRequest rq(cx);
JS::RootedValue v1(cx);
ScriptInterface::ToJSVal(cx, &v1, v);
JS::RootedValue u1(cx);
ScriptInterface::ToJSVal(cx, &u1, u);
T r;
JS::RootedValue r1(cx);
TS_ASSERT(script.CallFunction(u1, func.c_str(), v1, r));
ScriptInterface::ToJSVal(cx, &r1, r);
std::string source;
JS::RootedValue global(cx, script.GetGlobalObject());
TS_ASSERT(script.CallFunction(global, "uneval", r1, source));
TS_ASSERT_STR_EQUALS(source, expected);
}
public:
void setUp()
{
g_VFS = CreateVfs(20 * MiB);
TS_ASSERT_OK(g_VFS->Mount(L"", DataDir()/"mods"/"_test.sim", VFS_MOUNT_MUST_EXIST));
}
void tearDown()
{
g_VFS.reset();
}
void test_roundtrip()
{
roundtrip<bool>(true, "true");
roundtrip<bool>(false, "false");
roundtrip<float>(0, "0");
roundtrip<float>(0.5, "0.5");
roundtrip<float>(1e9f, "1000000000");
roundtrip<float>(1e30f, "1.0000000150474662e+30");
roundtrip<i32>(0, "0");
roundtrip<i32>(123, "123");
roundtrip<i32>(-123, "-123");
roundtrip<i32>(1073741822, "1073741822"); // JSVAL_INT_MAX-1
roundtrip<i32>(1073741823, "1073741823"); // JSVAL_INT_MAX
roundtrip<i32>(-1073741823, "-1073741823"); // JSVAL_INT_MIN+1
roundtrip<i32>(-1073741824, "-1073741824"); // JSVAL_INT_MIN
roundtrip<u32>(0, "0");
roundtrip<u32>(123, "123");
roundtrip<u32>(1073741822, "1073741822"); // JSVAL_INT_MAX-1
roundtrip<u32>(1073741823, "1073741823"); // JSVAL_INT_MAX
{
TestLogger log; // swallow warnings about values not being stored as INT jsvals
roundtrip<i32>(1073741824, "1073741824"); // JSVAL_INT_MAX+1
roundtrip<i32>(-1073741825, "-1073741825"); // JSVAL_INT_MIN-1
roundtrip<u32>(1073741824, "1073741824"); // JSVAL_INT_MAX+1
}
std::string s1 = "test";
s1[1] = '\0';
std::string s2 = "тест";
s2[2] = s2[3] = '\0';
std::wstring w1 = L"test";
w1[1] = '\0';
std::wstring w2 = L"тест";
w2[1] = '\0';
roundtrip<std::string>("", "\"\"");
roundtrip<std::string>("test", "\"test\"");
roundtrip<std::string>("тест", "\"\\xD1\\x82\\xD0\\xB5\\xD1\\x81\\xD1\\x82\"");
roundtrip<std::string>(s1, "\"t\\x00st\"");
roundtrip<std::string>(s2, "\"\\xD1\\x82\\x00\\x00\\xD1\\x81\\xD1\\x82\"");
roundtrip<std::wstring>(L"", "\"\"");
roundtrip<std::wstring>(L"test", "\"test\"");
roundtrip<std::wstring>(L"тест", "\"\\u0442\\u0435\\u0441\\u0442\"");
roundtrip<std::wstring>(w1, "\"t\\x00st\"");
roundtrip<std::wstring>(w2, "\"\\u0442\\x00\\u0441\\u0442\"");
convert_to<const char*>("", "\"\"");
convert_to<const char*>("test", "\"test\"");
convert_to<const char*>(s1.c_str(), "\"t\"");
convert_to<const char*>(s2.c_str(), "\"\\xD1\\x82\"");
roundtrip<fixed>(fixed::FromInt(0), "0");
roundtrip<fixed>(fixed::FromInt(123), "123");
roundtrip<fixed>(fixed::FromInt(-123), "-123");
roundtrip<fixed>(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<i32>(cx, &val0, 0);
ScriptInterface::ToJSVal<i32>(cx, &val1, 2147483646); // JSVAL_INT_MAX-1
ScriptInterface::ToJSVal<i32>(cx, &val2, 2147483647); // JSVAL_INT_MAX
ScriptInterface::ToJSVal<i32>(cx, &val3, -2147483647); // JSVAL_INT_MIN+1
ScriptInterface::ToJSVal<i32>(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<u32>(cx, &val5, 0);
ScriptInterface::ToJSVal<u32>(cx, &val6, 2147483646u); // JSVAL_INT_MAX-1
ScriptInterface::ToJSVal<u32>(cx, &val7, 2147483647u); // JSVAL_INT_MAX
ScriptInterface::ToJSVal<u32>(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<float>(std::numeric_limits<float>::infinity(), "Infinity");
roundtrip<float>(-std::numeric_limits<float>::infinity(), "-Infinity");
convert_to<float>(std::numeric_limits<float>::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));
}
// NOTE: fixed and vector conversions are defined in simulation2/scripting/EngineScriptConversions.cpp
void test_fixed()
{
fixed f;
f.SetInternalValue(10590283);
roundtrip<fixed>(f, "161.5948944091797");
f.SetInternalValue(-10590283);
roundtrip<fixed>(f, "-161.5948944091797");
f.SetInternalValue(2000000000);
roundtrip<fixed>(f, "30517.578125");
f.SetInternalValue(2000000001);
roundtrip<fixed>(f, "30517.57814025879");
}
void test_vector2d()
{
CFixedVector2D v(fixed::Zero(), fixed::Pi());
roundtrip<CFixedVector2D>(v, "({x:0, y:3.1415863037109375})");
CFixedVector2D u(fixed::FromInt(1), fixed::Zero());
call_prototype_function<CFixedVector2D>(u, v, "add", "({x:1, y:3.1415863037109375})");
}
void test_vector3d()
{
CFixedVector3D v(fixed::Zero(), fixed::Pi(), fixed::FromInt(1));
roundtrip<CFixedVector3D>(v, "({x:0, y:3.1415863037109375, z:1})");
CFixedVector3D u(fixed::Pi(), fixed::Zero(), fixed::FromInt(2));
call_prototype_function<CFixedVector3D>(u, v, "add", "({x:3.1415863037109375, y:3.1415863037109375, z:3})");
}
};