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// A simple runtime that doesn't involve typescript or protobufs to test
// libdeno. Invoked by mock_runtime_test.cc
const global = this;
function assert(cond) {
if (!cond) throw Error("mock_runtime.js assert failed");
}
global.typedArrayToArrayBuffer = (ta) => {
return ta.buffer.slice(ta.byteOffset, ta.byteOffset + ta.byteLength);
};
global.CanCallFunction = () => {
deno.print("Hello world from foo");
return "foo";
};
// This object is created to test snapshotting.
// See DeserializeInternalFieldsCallback and SerializeInternalFieldsCallback.
const snapshotted = new Uint8Array([1, 3, 3, 7]);
global.TypedArraySnapshots = () => {
assert(snapshotted[0] === 1);
assert(snapshotted[1] === 3);
assert(snapshotted[2] === 3);
assert(snapshotted[3] === 7);
};
global.PubSuccess = () => {
deno.sub((channel, msg) => {
assert(channel === "PubSuccess");
deno.print("PubSuccess: ok");
});
};
global.PubByteLength = () => {
deno.sub((channel, msg) => {
assert(channel === "PubByteLength");
assert(msg instanceof ArrayBuffer);
assert(msg.byteLength === 3);
});
};
global.SubReturnEmpty = () => {
const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
const ab = typedArrayToArrayBuffer(ui8);
let r = deno.pub("SubReturnEmpty", ab);
assert(r == null);
r = deno.pub("SubReturnEmpty", ab);
assert(r == null);
};
global.SubReturnBar = () => {
const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
const ab = typedArrayToArrayBuffer(ui8);
const r = deno.pub("SubReturnBar", ab);
assert(r instanceof ArrayBuffer);
assert(r.byteLength === 3);
const rui8 = new Uint8Array(r);
const rstr = String.fromCharCode(...rui8);
assert(rstr === "bar");
};
global.DoubleSubFails = () => {
// deno.sub is an internal function and should only be called once from the
// runtime.
deno.sub((channel, msg) => assert(false));
deno.sub((channel, msg) => assert(false));
};
// The following join has caused SnapshotBug to segfault when using kKeep.
[].join("");
global.SnapshotBug = () => {
assert("1,2,3" === String([1, 2, 3]));
};
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