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Test and fix C++ invokation of callback

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This commit is contained in:
Olivier Goffart 2021-03-22 14:30:00 +01:00
parent d79131f18f
commit bd6cace54c
3 changed files with 43 additions and 1 deletions
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38
api/sixtyfps-cpp/tests/interpreter.cpp
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@ -264,3 +264,41 @@ SCENARIO("Component Compiler")
REQUIRE(result.has_value());
}
}
SCENARIO("Invoke callback")
{
using namespace sixtyfps::interpreter;
using namespace sixtyfps;
ComponentCompiler compiler;
SECTION("valid")
{
auto result = compiler.build_from_source("export Dummy := Rectangle { callback foo(string, int) -> string; }", "");
REQUIRE(result.has_value());
auto instance = result->create();
REQUIRE(instance->set_callback("foo", [](auto args) {
SharedString arg1 = *args[0].to_string();
int arg2 = *args[1].to_number();
std::string res = std::string(arg1) + ":" + std::to_string(arg2);
return Value(SharedString(res));
}));
Value args[] = { SharedString("Hello"), 42. };
auto res = instance->invoke_callback("foo", Slice<Value>{args, 2});
REQUIRE(res.has_value());
REQUIRE(*res->to_string() == SharedString("Hello:42"));
}
SECTION("invalid")
{
auto result = compiler.build_from_source("export Dummy := Rectangle { callback foo(string, int) -> string; }", "");
REQUIRE(result.has_value());
auto instance = result->create();
REQUIRE(!instance->set_callback("bar", [](auto) {
return Value();
}));
Value args[] = { SharedString("Hello"), 42. };
auto res = instance->invoke_callback("bar", Slice<Value>{args, 2});
REQUIRE(!res.has_value());
}
}