public void Compile_TableImport_UndersizedTable()
{
var module = new Module();
module.Types.Add(new WebAssemblyType
{
Returns = new[] { WebAssemblyValueType.Int32 },
Parameters = new[] { WebAssemblyValueType.Int32 }
});
module.Imports.Add(new Import.Table("Test", "Test", 1));
module.Functions.Add(new Function
{
});
module.Exports.Add(new Export
{
Name = "Test",
});
module.Elements.Add(new Element(0, 0));
module.Codes.Add(new FunctionBody
{
Code = new Instruction[]
{
new LocalGet(0),
new End()
},
});
var table = new FunctionTable(0, 1);
Assert.AreEqual(0u, table.Length);
var compiled = module.ToInstance <CompilerTestBase <int> >(
new ImportDictionary {
{ "Test", "Test", table },
});
Assert.AreEqual(1u, table.Length);
var rawDelegate = table[0];
Assert.IsNotNull(rawDelegate);
Assert.IsInstanceOfType(rawDelegate, typeof(Func <int, int>));
var nativeDelegate = (Func <int, int>)rawDelegate !;
Assert.AreEqual(0, nativeDelegate(0));
Assert.AreEqual(5, nativeDelegate(5));
}
public void Compile_TableImport_ExistingFunction()
{
var module = new Module();
module.Types.Add(new WebAssemblyType
{
Returns = new[] { WebAssemblyValueType.Int32 },
Parameters = new[] { WebAssemblyValueType.Int32 }
});
module.Imports.Add(new Import.Table("Test", "Test", 1));
module.Functions.Add(new Function
{
});
module.Exports.Add(new Export
{
Name = "Test",
});
module.Codes.Add(new FunctionBody
{
Code = new Instruction[]
{
new LocalGet(0),
new Int32Constant(0),
new CallIndirect(0),
new End()
},
});
var table = new FunctionTable(1);
var calls = 0;
table[0] = new Func <int, int>(value => { calls++; return(value + 1); });
var compiled = module.ToInstance <CompilerTestBase <int> >(
new ImportDictionary {
{ "Test", "Test", table },
});
Assert.AreEqual(0, calls);
Assert.AreEqual(3, compiled.Exports.Test(2));
Assert.AreEqual(1, calls);
}
public void Compile_TableImport_ExportedImport()
{
var module = new Module();
module.Imports.Add(new Import.Table("Test", "Test", 1));
module.Exports.Add(new Export
{
Name = nameof(ExportedTable.Table),
Kind = ExternalKind.Table,
});
var table = new FunctionTable(0);
var exportedTable = module.ToInstance <ExportedTable>(
new ImportDictionary {
{ "Test", "Test", table },
})
.Exports
.Table;
Assert.AreSame(table, exportedTable);
}
public void Compile_TableImport_UndersizedTable()
{
var module = new Module();
module.Types.Add(new Type
{
Returns = new[] { ValueType.Int32 },
Parameters = new[] { ValueType.Int32 }
});
module.Imports.Add(new Import.Table
{
Module = "Test",
Field = "Test",
Definition = new Table
{
ElementType = ElementType.AnyFunction,
ResizableLimits = new ResizableLimits(1)
}
});
module.Functions.Add(new Function
{
});
module.Exports.Add(new Export
{
Name = "Test",
});
module.Elements.Add(new Element
{
Elements = new uint[] { 0 },
InitializerExpression = new Instruction[]
{
new Int32Constant(0),
new End(),
},
});
module.Codes.Add(new FunctionBody
{
Code = new Instruction[]
{
new GetLocal(0),
new End()
},
});
var table = new FunctionTable(0, 1);
Assert.AreEqual(0u, table.Length);
var compiled = module.ToInstance <CompilerTestBase <int> >(
new ImportDictionary {
{ "Test", "Test", table },
});
Assert.AreEqual(1u, table.Length);
var rawDelegate = table[0];
Assert.IsNotNull(rawDelegate);
Assert.IsInstanceOfType(rawDelegate, typeof(Func <int, int>));
var nativeDelegate = (Func <int, int>)rawDelegate;
Assert.AreEqual(0, nativeDelegate(0));
Assert.AreEqual(5, nativeDelegate(5));
}