fluencelabs/wasm-bindgen
1
0
Fork 0
mirror of https://github.com/fluencelabs/wasm-bindgen synced 2025-06-28 04:01:33 +00:00
Code Issues Projects Releases Wiki Activity

Check for use-after-move in JS glue when --debug is enabled again

Browse Source 
Fixes #1669
This commit is contained in:
Nick Fitzgerald
2019-07-16 13:35:59 -07:00
parent 1807de74a7
commit 8fd5f4ed6a
3 changed files with 34 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
tests/wasm/validate_prt.js
View File

@ -1,23 +1,36 @@
const wasm = require('wasm-bindgen-test.js');
const assert = require('assert');
// NB: `wasm-pack` uses the presence of checks for moved values as a way to test
// whether it is correctly enabling `--debug` when configured to do so, so don't
// change this expected debug output without also updating `wasm-pack`'s tests.
const assertMovedPtrThrows = process.env.WASM_BINDGEN_NO_DEBUG == null
? f => assert.throws(f, /Attempt to use a moved value/)
: f => assert.throws(f, /null pointer passed to rust/);
const useMoved = () => {
const apple = new wasm.Fruit('apple');
apple.name();
wasm.eat(apple);
assert.throws(() => apple.name(),
/Attempt to use a moved value|null pointer passed to rust/);
assertMovedPtrThrows(() => apple.name());
};
const moveMoved = () => {
const pear = new wasm.Fruit('pear');
pear.name();
wasm.eat(pear);
assert.throws(() => wasm.eat(pear),
/Attempt to use a moved value|null pointer passed to rust/);
assertMovedPtrThrows(() => wasm.eat(pear));
};
const methodMoved = () => {
const quince = new wasm.Fruit('quince');
quince.name();
quince.rot();
assertMovedPtrThrows(() => quince.rot());
};
exports.js_works = () => {
useMoved();
moveMoved();
methodMoved();
};