test: get lib/wasi.js coverage to 100%

This commit covers the last remaining uncovered code in lib/wasi.js. PR-URL: #31039 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Yongsheng Zhang <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Stephen Belanger <[email protected]>
nodejs · Jan 3, 2020 · 07e82db · 07e82db
1 parent c779421
commit 07e82db
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/wasi/test-wasi-options-validation.js b/test/wasi/test-wasi-options-validation.js
@@ -20,3 +20,9 @@ assert.throws(() => { new WASI({ env: 'fhqwhgads' }); },
 // If preopens is not an Object and not undefined, it should throw.
 assert.throws(() => { new WASI({ preopens: 'fhqwhgads' }); },
               { code: 'ERR_INVALID_ARG_TYPE', message: /\bpreopens\b/ });
+
+// If options is provided, but not an object, the constructor should throw.
+[null, 'foo', '', 0, NaN, Symbol(), true, false, () => {}].forEach((value) => {
+  assert.throws(() => { new WASI(value); },
+                { code: 'ERR_INVALID_ARG_TYPE' });
+});