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-rw-r--r--core/libdeno/libdeno_test.js271
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diff --git a/core/libdeno/libdeno_test.js b/core/libdeno/libdeno_test.js
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+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+// A simple runtime that doesn't involve typescript or protobufs to test
+// libdeno. Invoked by libdeno_test.cc
+
+// eslint-disable-next-line @typescript-eslint/no-this-alias
+const global = this;
+
+function assert(cond) {
+ if (!cond) throw Error("libdeno_test.js assert failed");
+}
+
+global.CanCallFunction = () => {
+ Deno.core.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.RecvReturnEmpty = () => {
+ const m1 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
+ const m2 = m1.slice();
+ const r1 = Deno.core.send(42, m1);
+ assert(r1 == null);
+ const r2 = Deno.core.send(42, m2);
+ assert(r2 == null);
+};
+
+global.BasicRecv = () => {
+ const m = new Uint8Array([1, 2, 3]);
+ Deno.core.recv((opId, buf) => {
+ assert(opId === 43);
+ assert(buf instanceof Uint8Array);
+ assert(buf.byteLength === 3);
+ const s = String.fromCharCode(...buf);
+ assert(s === "bar");
+ const r = Deno.core.send(42, m);
+ assert(!r); // async
+ });
+ const r = Deno.core.send(42, m);
+ assert(!r); // async
+};
+
+global.RecvReturnBar = () => {
+ const m = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
+ const r = Deno.core.send(42, m);
+ assert(r instanceof Uint8Array);
+ assert(r.byteLength === 3);
+ const rstr = String.fromCharCode(...r);
+ assert(rstr === "bar");
+};
+
+global.DoubleRecvFails = () => {
+ // Deno.core.recv is an internal function and should only be called once from the
+ // runtime.
+ Deno.core.recv((_channel, _msg) => assert(false));
+ Deno.core.recv((_channel, _msg) => assert(false));
+};
+
+global.SendRecvSlice = () => {
+ const abLen = 1024;
+ let buf = new Uint8Array(abLen);
+ for (let i = 0; i < 5; i++) {
+ // Set first and last byte, for verification by the native side.
+ buf[0] = 100 + i;
+ buf[buf.length - 1] = 100 - i;
+ // On the native side, the slice is shortened by 19 bytes.
+ buf = Deno.core.send(42, buf);
+ assert(buf.byteOffset === i * 11);
+ assert(buf.byteLength === abLen - i * 30 - 19);
+ assert(buf.buffer.byteLength == abLen);
+ // Look for values written by the backend.
+ assert(buf[0] === 200 + i);
+ assert(buf[buf.length - 1] === 200 - i);
+ // On the JS side, the start of the slice is moved up by 11 bytes.
+ buf = buf.subarray(11);
+ assert(buf.byteOffset === (i + 1) * 11);
+ assert(buf.byteLength === abLen - (i + 1) * 30);
+ }
+};
+
+global.JSSendArrayBufferViewTypes = () => {
+ // Test that ArrayBufferView slices are transferred correctly.
+ // Send Uint8Array.
+ const ab1 = new ArrayBuffer(4321);
+ const u8 = new Uint8Array(ab1, 2468, 1000);
+ u8[0] = 1;
+ Deno.core.send(42, u8);
+ // Send Uint32Array.
+ const ab2 = new ArrayBuffer(4321);
+ const u32 = new Uint32Array(ab2, 2468, 1000 / Uint32Array.BYTES_PER_ELEMENT);
+ u32[0] = 0x02020202;
+ Deno.core.send(42, u32);
+ // Send DataView.
+ const ab3 = new ArrayBuffer(4321);
+ const dv = new DataView(ab3, 2468, 1000);
+ dv.setUint8(0, 3);
+ Deno.core.send(42, dv);
+};
+
+// The following join has caused SnapshotBug to segfault when using kKeep.
+[].join("");
+
+global.SnapshotBug = () => {
+ assert("1,2,3" === String([1, 2, 3]));
+};
+
+global.GlobalErrorHandling = () => {
+ eval("\n\n notdefined()\n//# sourceURL=helloworld.js");
+};
+
+// Allocate this buf at the top level to avoid GC.
+const zeroCopyBuf = new Uint8Array([3, 4]);
+
+global.ZeroCopyBuf = () => {
+ const a = new Uint8Array([1, 2]);
+ const b = zeroCopyBuf;
+ // The second parameter of send should modified by the
+ // privileged side.
+ const r = Deno.core.send(42, a, b);
+ assert(r == null);
+ // b is different.
+ assert(b[0] === 4);
+ assert(b[1] === 2);
+ // Now we modify it again.
+ b[0] = 9;
+ b[1] = 8;
+};
+
+global.CheckPromiseErrors = () => {
+ async function fn() {
+ throw new Error("message");
+ }
+
+ (async () => {
+ try {
+ await fn();
+ } catch (e) {
+ Deno.core.send(42, new Uint8Array([42]));
+ }
+ })();
+};
+
+global.Shared = () => {
+ const ab = Deno.core.shared;
+ assert(ab instanceof SharedArrayBuffer);
+ assert(Deno.core.shared != undefined);
+ assert(ab.byteLength === 3);
+ const ui8 = new Uint8Array(ab);
+ assert(ui8[0] === 0);
+ assert(ui8[1] === 1);
+ assert(ui8[2] === 2);
+ ui8[0] = 42;
+ ui8[1] = 43;
+ ui8[2] = 44;
+};
+
+global.LibDenoEvalContext = () => {
+ const [result, errInfo] = Deno.core.evalContext("let a = 1; a");
+ assert(result === 1);
+ assert(!errInfo);
+ const [result2, errInfo2] = Deno.core.evalContext("a = a + 1; a");
+ assert(result2 === 2);
+ assert(!errInfo2);
+};
+
+global.LibDenoEvalContextError = () => {
+ const [result, errInfo] = Deno.core.evalContext("not_a_variable");
+ assert(!result);
+ assert(!!errInfo);
+ assert(errInfo.isNativeError); // is a native error (ReferenceError)
+ assert(!errInfo.isCompileError); // is NOT a compilation error
+ assert(errInfo.thrown.message === "not_a_variable is not defined");
+
+ const [result2, errInfo2] = Deno.core.evalContext("throw 1");
+ assert(!result2);
+ assert(!!errInfo2);
+ assert(!errInfo2.isNativeError); // is NOT a native error
+ assert(!errInfo2.isCompileError); // is NOT a compilation error
+ assert(errInfo2.thrown === 1);
+
+ const [result3, errInfo3] = Deno.core.evalContext(
+ "class AError extends Error {}; throw new AError('e')"
+ );
+ assert(!result3);
+ assert(!!errInfo3);
+ assert(errInfo3.isNativeError); // extend from native error, still native error
+ assert(!errInfo3.isCompileError); // is NOT a compilation error
+ assert(errInfo3.thrown.message === "e");
+
+ const [result4, errInfo4] = Deno.core.evalContext("{");
+ assert(!result4);
+ assert(!!errInfo4);
+ assert(errInfo4.isNativeError); // is a native error (SyntaxError)
+ assert(errInfo4.isCompileError); // is a compilation error! (braces not closed)
+ assert(errInfo4.thrown.message === "Unexpected end of input");
+
+ const [result5, errInfo5] = Deno.core.evalContext("eval('{')");
+ assert(!result5);
+ assert(!!errInfo5);
+ assert(errInfo5.isNativeError); // is a native error (SyntaxError)
+ assert(!errInfo5.isCompileError); // is NOT a compilation error! (just eval)
+ assert(errInfo5.thrown.message === "Unexpected end of input");
+};
+
+global.LibDenoEvalContextInvalidArgument = () => {
+ try {
+ Deno.core.evalContext();
+ } catch (e) {
+ assert(e instanceof TypeError);
+ assert(e.message === "Invalid Argument");
+ }
+};
+
+global.LibDenoPrintInvalidArgument = () => {
+ try {
+ Deno.core.print();
+ } catch (e) {
+ assert(e instanceof TypeError);
+ assert(e.message === "Invalid Argument");
+ }
+ try {
+ Deno.core.print(2, 3, 4);
+ } catch (e) {
+ assert(e instanceof TypeError);
+ assert(e.message === "Invalid Argument");
+ }
+};
+
+global.WasmInstantiate = () => {
+ // The following blob can be created by taking the following s-expr and pass
+ // it through wat2wasm.
+ // (module
+ // (func $add (param $a i32) (param $b i32) (result i32)
+ // local.get $a
+ // local.get $b
+ // i32.add)
+ // (export "add" (func $add))
+ // )
+ // prettier-ignore
+ const bytes = new Uint8Array([
+ 0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x07, 0x01, 0x60,
+ 0x02, 0x7f, 0x7f, 0x01, 0x7f, 0x03, 0x02, 0x01, 0x00, 0x07, 0x07, 0x01,
+ 0x03, 0x61, 0x64, 0x64, 0x00, 0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x20,
+ 0x00, 0x20, 0x01, 0x6a, 0x0b
+ ]);
+
+ (async () => {
+ Deno.core.send(42, new Uint8Array([42]));
+
+ const wasm = await WebAssembly.instantiate(bytes);
+
+ Deno.core.send(42, new Uint8Array([42]));
+
+ const result = wasm.instance.exports.add(1, 3);
+ if (result != 4) {
+ throw Error("bad");
+ }
+ // To signal success, we send back a fixed buffer.
+ Deno.core.send(42, new Uint8Array([42]));
+ })();
+};