util: fix formatting of objects with SIMD enabled

When SIMD is enabled, `util.format` couldn’t display objects
(with at least 1 key) because the formatter function got
overridden.

PR-URL: https://github.com/nodejs/node/pull/7864
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/test/parallel/test-util-inspect-simd.js b/test/parallel/test-util-inspect-simd.js
index 752ea3d0ce..ec4ccc1875 100644
--- a/test/parallel/test-util-inspect-simd.js
+++ b/test/parallel/test-util-inspect-simd.js
@@ -59,3 +59,12 @@ if (typeof SIMD.Uint8x16 === 'function') {
       inspect(SIMD.Uint8x16()),
       'Uint8x16 [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]');
 }
+
+// Tests from test-inspect.js that should not fail with --harmony_simd.
+assert.strictEqual(inspect([]), '[]');
+assert.strictEqual(inspect([0]), '[ 0 ]');
+assert.strictEqual(inspect({}), '{}');
+assert.strictEqual(inspect({foo: 42}), '{ foo: 42 }');
+assert.strictEqual(inspect(null), 'null');
+assert.strictEqual(inspect(true), 'true');
+assert.strictEqual(inspect(false), 'false');