Exemplo n.º 1
0
        public void BindFileClassMethodTypeMismatch()
        {
            var classModule = "io";

            var vm = new Wren.VirtualMachine(new Configuration
            {
                RaiseExceptionOnError = true
            });

            vm.BindForeign <File>(classModule);
            vm.Interpret(classModule, @"foreign class File {
  construct create(path) {}

  foreign write(text)
  foreign close()
}");

            Directory.CreateDirectory("tmp");

            vm.Interpret(classModule, "var file = File.create(\"tmp/wren_BindFileClassMethodTypeMismatch.txt\")");
            var ex = Assert.Throws <WrenException>(() => vm.Interpret(classModule, "file.write(75)"));

            Assert.StartsWith(ex.Message, "Foreign method 'Write' parameter 'buffer' type mismatch given actual parameter of type System.Double (75 in slot 1), expected type String");

            vm.Dispose();
        }
Exemplo n.º 2
0
        public void BindFileClass()
        {
            var classModule = "io";

            var vm = new Wren.VirtualMachine(new Configuration
            {
                RaiseExceptionOnError = true
            });

            vm.BindForeign <File>(classModule);
            vm.Interpret(classModule, @"foreign class File {
  construct create(path) {}

  foreign write(text)
  foreign close()
}");

            vm.Interpret(classModule, "var file = File.create(\"/tmp/wren_BindFileClass.txt\")");
            vm.Interpret(classModule, "file.write(\"wren script\")");

            vm.Dispose();
        }
Exemplo n.º 3
0
        public void ForeignObjectMethodAcceptsOddArguments()
        {
            var classModule = "boolBot";

            var vm = new Wren.VirtualMachine(new Configuration
            {
                RaiseExceptionOnError = true
            });

            vm.BindForeign <MathBot>(classModule);
            vm.Interpret(classModule, @"foreign class MathBot {
  construct new() {}

  foreign add(a,b)
  foreign addInts(a,b)
  foreign addStrings(a,b)
  foreign and(a,b)
  foreign not(a)
  foreign badActualParam(a)
}");

            vm.Interpret(classModule, "var bot = MathBot.new()");

            #region MathBot.add
            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            var addHandle = vm.MakeCallHandle("add(_,_)");
            vm.SetSlot(1, 1);
            vm.SetSlot(2, 2.3d);
            vm.Call(addHandle);

            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_NUM, "MathBot.add result is a number value");
            Assert.Equal(3.3d, vm.GetSlotDouble(0));
            #endregion

            #region MathBot.addInts
            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            var addIntsHandle = vm.MakeCallHandle("addInts(_,_)");
            vm.SetSlot(1, 4);
            vm.SetSlot(2, 5.5);
            vm.Call(addIntsHandle);

            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_NUM, "MathBot.addInts result is a number value");
            Assert.Equal(9, vm.GetSlotDouble(0));
            #endregion

            #region MathBot.addStrings
            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            var addStringsHandle = vm.MakeCallHandle("addStrings(_,_)");

            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            vm.SetSlot(1, 4.5);
            vm.SetSlot(2, "foo");
            vm.Call(addStringsHandle);
            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_STRING, "MathBot.addStrings result is a string value");
            Assert.Equal("4.5foo", vm.GetSlotString(0));

            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            vm.SetSlot(1, false);
            vm.SetSlot(2, 42);
            vm.Call(addStringsHandle);
            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_STRING, "MathBot.addStrings result is a string value");
            Assert.Equal("False42", vm.GetSlotString(0));
            #endregion

            #region MathBot.and
            vm.EnsureSlots(3);
            vm.GetVariable(classModule, "bot", 0);
            var andHandle = vm.MakeCallHandle("and(_,_)");
            vm.SetSlot(1, false);
            vm.SetSlot(2, true);
            vm.Call(andHandle);

            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_BOOL, "MathBot.and result is a bool value");
            Assert.Equal(false, vm.GetSlotBool(0));
            #endregion

            #region MathBot.not
            vm.EnsureSlots(2);
            vm.GetVariable(classModule, "bot", 0);
            var notHandle = vm.MakeCallHandle("not(_)");
            vm.SetSlot(1, false);
            vm.Call(notHandle);

            Assert.True(vm.GetSlotType(0) == Wren.ValueType.WREN_TYPE_BOOL, "MathBot.not result is a bool value");
            Assert.Equal(true, vm.GetSlotBool(0));
            #endregion

            #region MathBot.badActualParam
            vm.EnsureSlots(2);
            vm.GetVariable(classModule, "bot", 0);
            var badActualParamHandle = vm.MakeCallHandle("badActualParam(_)");
            vm.SetSlot(1, 4.5d);

            var ex = Assert.Throws <WrenException>(() => vm.Call(badActualParamHandle));
            Assert.StartsWith("Foreign method 'BadActualParam' parameter 'a' type mismatch given actual parameter of type System.Double (4.5 in slot 1", ex.Message);

            vm.EnsureSlots(2);
            vm.GetVariable(classModule, "bot", 0);
            vm.SetSlot(1, badActualParamHandle);

            ex = Assert.Throws <WrenException>(() => vm.Call(badActualParamHandle));
            Assert.StartsWith("Foreign method 'BadActualParam' parameter 'a' type mismatch given actual parameter of type Unknown (Unknown in slot 1", ex.Message);
            #endregion

            addHandle.Dispose();
            addIntsHandle.Dispose();
            addStringsHandle.Dispose();
            andHandle.Dispose();
            notHandle.Dispose();
            badActualParamHandle.Dispose();
            vm.Dispose();
        }