public void LuaCollectsObjectsAfterReferencesAreDisposed()
{
// In this test we repeatedly create and destroy table references to make sure the Lua GC is able to collect
// them. We create a multiple of 1,000 tables since the runtime rewrites the reference table every 1,000
// reference destructions. This should return the runtime to exactly the same state as it was at the
// beginning of the test.
using (var runtime = new MemoryConstrainedLuaRuntime()) {
using (var collect = (LuaFunction)runtime.Globals["collectgarbage"]) {
collect.Call().Dispose();
var begin = runtime.MemoryUse;
// Stress the GC a bit by creating and disposing tables, in batches of 100.
for (int i = 0; i < 1000; ++i) {
foreach (var t in Enumerable.Range(1, 100).Select(j => runtime.CreateTable()).ToList()) {
t.Dispose();
}
}
// Now create a whole bunch of tables all at once.
foreach (var t in Enumerable.Range(1, 10000).Select(j => runtime.CreateTable()).ToList()) {
t.Dispose();
}
collect.Call().Dispose();
Assert.AreEqual(begin, runtime.MemoryUse);
}
}
}
public void LuaCollectsObjectsAfterReferencesAreDisposed()
{
// In this test we repeatedly create and destroy table references to make sure the Lua GC is able to collect
// them. We create a multiple of 1,000 tables since the runtime rewrites the reference table every 1,000
// reference destructions. This should return the runtime to exactly the same state as it was at the
// beginning of the test.
using (var runtime = new MemoryConstrainedLuaRuntime()) {
using (var collect = (LuaFunction)runtime.Globals["collectgarbage"]) {
collect.Call().Dispose();
var begin = runtime.MemoryUse;
// Stress the GC a bit by creating and disposing tables, in batches of 100.
for (int i = 0; i < 1000; ++i)
{
foreach (var t in Enumerable.Range(1, 100).Select(j => runtime.CreateTable()).ToList())
{
t.Dispose();
}
}
// Now create a whole bunch of tables all at once.
foreach (var t in Enumerable.Range(1, 10000).Select(j => runtime.CreateTable()).ToList())
{
t.Dispose();
}
collect.Call().Dispose();
Assert.AreEqual(begin, runtime.MemoryUse);
}
}
}
public void NoMemoryErrorWhileInClr()
{
if (LuaRuntime.LUAJIT && IntPtr.Size == 8)
{
Assert.Ignore();
}
using (var runtime = new MemoryConstrainedLuaRuntime()) {
Action fn = () => {
runtime.MaxMemoryUse = runtime.MemoryUse + 1;
using (var x = runtime.CreateTable()) {
x[1] = "This is a string that is way more than one byte long.";
}
runtime.MaxMemoryUse = long.MaxValue;
};
using (var callback = runtime.CreateFunctionFromDelegate(fn)) {
runtime.Globals["callback"] = callback;
}
runtime.DoString("callback()").Dispose();
}
}
public void NoMemoryErrorWhileInClr()
{
using (var runtime = new MemoryConstrainedLuaRuntime()) {
Action fn = () => {
runtime.MaxMemoryUse = runtime.MemoryUse + 1;
using (var x = runtime.CreateTable()) {
x[1] = "This is a string that is way more than one byte long.";
}
runtime.MaxMemoryUse = long.MaxValue;
};
using (var callback = runtime.CreateFunctionFromDelegate(fn)) {
runtime.Globals["callback"] = callback;
}
runtime.DoString("callback()").Dispose();
}
}
public LuaTable CreateTable()
{
return(runtime.CreateTable());
}