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rtti-test.c++
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rtti-test.c++
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// Copyright (c) 2017-2022 Cloudflare, Inc.
// Licensed under the Apache 2.0 license found in the LICENSE file or at:
// https://opensource.org/licenses/Apache-2.0
#include <capnp/serialize-text.h>
#include <workerd/jsg/jsg-test.h>
#include <workerd/jsg/rtti.h>
struct MockConfig {};
namespace workerd::jsg::rtti {
namespace {
template<typename T>
kj::String tType() {
// returns textual encoding of rtti.
Builder<MockConfig> builder((MockConfig()));
auto type = builder.type<T>();
capnp::TextCodec codec;
return codec.encode(type);
}
template<typename T>
kj::String tStructure() {
// returns textual encoding of structure.
Builder<MockConfig> builder((MockConfig()));
auto type = builder.structure<T>();
capnp::TextCodec codec;
return codec.encode(type);
}
KJ_TEST("primitive types") {
KJ_EXPECT(tType<void>() == "(voidt = void)");
KJ_EXPECT(tType<bool>() == "(boolt = void)");
KJ_EXPECT(tType<v8::Value>() == "(unknown = void)");
}
KJ_TEST("number types") {
KJ_EXPECT(tType<char>() == "(number = (name = \"char\"))");
KJ_EXPECT(tType<signed char>() == "(number = (name = \"signed char\"))");
KJ_EXPECT(tType<unsigned char>() == "(number = (name = \"unsigned char\"))");
KJ_EXPECT(tType<short>() == "(number = (name = \"short\"))");
KJ_EXPECT(tType<unsigned short>() == "(number = (name = \"unsigned short\"))");
KJ_EXPECT(tType<int>() == "(number = (name = \"int\"))");
KJ_EXPECT(tType<unsigned int>() == "(number = (name = \"unsigned int\"))");
KJ_EXPECT(tType<long>() == "(number = (name = \"long\"))");
KJ_EXPECT(tType<unsigned long>() == "(number = (name = \"unsigned long\"))");
KJ_EXPECT(tType<double>() == "(number = (name = \"double\"))");
}
KJ_TEST("string types") {
KJ_EXPECT(tType<kj::String>() == "(string = (name = \"kj::String\"))");
KJ_EXPECT(tType<kj::StringPtr>() == "(string = (name = \"kj::StringPtr\"))");
KJ_EXPECT(tType<v8::String>() == "(string = (name = \"v8::String\"))");
KJ_EXPECT(tType<ByteString>() == "(string = (name = \"ByteString\"))");
KJ_EXPECT(tType<UsvString>() == "(string = (name = \"UsvString\"))");
KJ_EXPECT(tType<UsvStringPtr>() == "(string = (name = \"UsvStringPtr\"))");
}
KJ_TEST("string types") {
KJ_EXPECT(tType<v8::Object>() == "(object = void)");
}
KJ_TEST("promises") {
KJ_EXPECT(tType<kj::Promise<void>>() ==
"(promise = (value = (voidt = void)))");
KJ_EXPECT(tType<kj::Promise<int>>() ==
"(promise = (value = (number = (name = \"int\"))))");
KJ_EXPECT(tType<jsg::Promise<int>>() ==
"(promise = (value = (number = (name = \"int\"))))");
KJ_EXPECT(tType<v8::Promise>() ==
"(promise = (value = (unknown = void)))");
}
KJ_TEST("generic types") {
KJ_EXPECT(tType<Ref<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<V8Ref<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<HashableV8Ref<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<v8::Local<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<jsg::Identified<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<jsg::MemoizedIdentity<v8::Object>>() == "(object = void)");
KJ_EXPECT(tType<kj::Array<int>>() == "(array = (element = (number = (name = \"int\"))))");
KJ_EXPECT(tType<kj::ArrayPtr<int>>() == "(array = (element = (number = (name = \"int\"))))");
KJ_EXPECT(tType<jsg::Sequence<int>>() == "(array = (element = (number = (name = \"int\"))))");
KJ_EXPECT(tType<kj::Maybe<int>>() == "(maybe = (value = (number = (name = \"int\"))))");
KJ_EXPECT(tType<jsg::Optional<int>>() == "(maybe = (value = (number = (name = \"int\"))))");
KJ_EXPECT(tType<jsg::Dict<int>>() == "(dict = (key = (string = (name = \"kj::String\")), value = (number = (name = \"int\"))))");
KJ_EXPECT((tType<jsg::Dict<int, double>>()) == "(dict = (key = (number = (name = \"double\")), value = (number = (name = \"int\"))))");
KJ_EXPECT((tType<kj::OneOf<int, double>>()) == "(oneOf = (variants = ["
"(number = (name = \"int\")), "
"(number = (name = \"double\"))]))");
KJ_EXPECT((tType<kj::OneOf<int, double, kj::String>>()) == "(oneOf = (variants = ["
"(number = (name = \"int\")), "
"(number = (name = \"double\")), "
"(string = (name = \"kj::String\"))]))");
}
KJ_TEST("builtins") {
KJ_EXPECT(tType<jsg::BufferSource>() == "(builtin = (type = jsgBufferSource))");
KJ_EXPECT(tType<v8::Uint8Array>() == "(builtin = (type = v8Uint8Array))");
KJ_EXPECT(tType<v8::ArrayBufferView>() == "(builtin = (type = v8ArrayBufferView))");
KJ_EXPECT(tType<v8::Function>() == "(builtin = (type = v8Function))");
KJ_EXPECT(tType<kj::Date>() == "(builtin = (type = kjDate))");
}
KJ_TEST("jsgImpl") {
KJ_EXPECT(tType<jsg::Lock>() == "(jsgImpl = (type = jsgLock))");
KJ_EXPECT(tType<jsg::Unimplemented>() == "(jsgImpl = (type = jsgUnimplemented))");
KJ_EXPECT(tType<jsg::Varargs>() == "(jsgImpl = (type = jsgVarargs))");
KJ_EXPECT(tType<v8::Isolate*>() == "(jsgImpl = (type = v8Isolate))");
KJ_EXPECT(tType<MockConfig>() == "(jsgImpl = (type = configuration))");
KJ_EXPECT(tType<jsg::TypeHandler<kj::Date>>() == "(jsgImpl = (type = jsgTypeHandler))");
}
KJ_TEST("functions") {
KJ_EXPECT(tType<jsg::Function<int()>>() ==
"(function = (returnType = (number = (name = \"int\")), args = []))");
KJ_EXPECT(tType<jsg::Function<void(int a, double b)>>() ==
"(function = (returnType = (voidt = void), args = [(number = (name = \"int\")), (number = (name = \"double\"))]))");
}
KJ_TEST("c++ modifiers") {
KJ_EXPECT(tType<const int>() == "(number = (name = \"int\"))");
KJ_EXPECT(tType<int&>() == "(number = (name = \"int\"))");
KJ_EXPECT(tType<int&&>() == "(number = (name = \"int\"))");
KJ_EXPECT(tType<const int&>() == "(number = (name = \"int\"))");
}
struct Base: public Object {
JSG_RESOURCE_TYPE(Base) {
JSG_INHERIT_INTRINSIC(v8::kIteratorPrototype);
}
};
struct TestResource: public Base {
void instanceMethod(int i, double f) { }
static int staticMethod() { return 42; }
int getSize() { return 1; }
void setSize(int size) { }
static jsg::Ref<TestResource> constructor(jsg::Optional<kj::String> label);
JSG_RESOURCE_TYPE(TestResource) {
JSG_INHERIT(Base);
JSG_METHOD(instanceMethod);
JSG_STATIC_METHOD(staticMethod);
JSG_INSTANCE_PROPERTY(size, getSize, setSize);
JSG_READONLY_INSTANCE_PROPERTY(readonlySize, getSize);
JSG_LAZY_INSTANCE_PROPERTY(lazySize, getSize);
JSG_LAZY_READONLY_INSTANCE_PROPERTY(lazyReadonlySize, getSize);
JSG_PROTOTYPE_PROPERTY(protoSize, getSize, setSize);
JSG_READONLY_PROTOTYPE_PROPERTY(protoReadonlySize, getSize);
}
};
KJ_TEST("resource reference") {
KJ_EXPECT(tType<TestResource>() == "(structure = (name = \"TestResource\"))");
}
KJ_TEST("resource structure") {
KJ_EXPECT(tStructure<Base>() == "(name = \"Base\", members = [], extends = (intrinsic = (name = \"v8::kIteratorPrototype\")), iterable = false, asyncIterable = false)");
KJ_EXPECT(tStructure<TestResource>() == "(name = \"TestResource\", members = ["
"(method = (name = \"instanceMethod\", returnType = (voidt = void), args = [(number = (name = \"int\")), (number = (name = \"double\"))], static = false)), "
"(method = (name = \"staticMethod\", returnType = (number = (name = \"int\")), args = [], static = true)), "
"(property = (name = \"size\", type = (number = (name = \"int\")), readonly = false, lazy = false, prototype = false)), "
"(property = (name = \"readonlySize\", type = (number = (name = \"int\")), readonly = true, lazy = false, prototype = false)), "
"(property = (name = \"lazySize\", type = (number = (name = \"int\")), readonly = false, lazy = true, prototype = false)), "
"(property = (name = \"lazyReadonlySize\", type = (number = (name = \"int\")), readonly = true, lazy = true, prototype = false)), "
"(property = (name = \"protoSize\", type = (number = (name = \"int\")), readonly = false, lazy = false, prototype = true)), "
"(property = (name = \"protoReadonlySize\", type = (number = (name = \"int\")), readonly = true, lazy = false, prototype = true)), "
"(constructor = (args = [(maybe = (value = (string = (name = \"kj::String\"))))]))], "
"extends = (structure = (name = \"Base\")), iterable = false, asyncIterable = false)");
}
struct TestNested : jsg::Object {
JSG_RESOURCE_TYPE(TestNested) { JSG_NESTED_TYPE(Base); };
};
KJ_TEST("nested structure") {
KJ_EXPECT(tStructure<TestNested>() == "(name = \"TestNested\", members = ["
"(nested = (name = \"Base\", members = [], extends = (intrinsic = (name = \"v8::kIteratorPrototype\")), iterable = false, asyncIterable = false))], "
"iterable = false, asyncIterable = false)");
}
struct TestConstant : jsg::Object {
static constexpr int ENABLED [[maybe_unused]] = 1;
enum Type {
CIRCLE = 2,
};
JSG_RESOURCE_TYPE(TestConstant) {
JSG_STATIC_CONSTANT(ENABLED);
JSG_STATIC_CONSTANT(CIRCLE);
};
};
KJ_TEST("constant members") {
KJ_EXPECT(tStructure<TestConstant>() == "(name = \"TestConstant\", members = ["
"(constant = (name = \"ENABLED\", value = 1)), "
"(constant = (name = \"CIRCLE\", value = 2))], "
"iterable = false, asyncIterable = false)");
}
struct TestStruct {
int a;
bool b;
JSG_STRUCT(a, b);
};
KJ_TEST("struct reference") {
KJ_EXPECT(tType<TestStruct>() == "(structure = (name = \"TestStruct\"))");
}
KJ_TEST("struct structure") {
KJ_EXPECT(tStructure<TestStruct>() == "(name = \"TestStruct\", members = ["
"(property = (name = \"a\", type = (number = (name = \"int\")), readonly = false, lazy = false, prototype = false)), "
"(property = (name = \"b\", type = (boolt = void), readonly = false, lazy = false, prototype = false))], "
"iterable = false, asyncIterable = false)");
}
} // namespace
} // namespace workerd::jsg::rtti