test: add coverage for sparse array maxArrayLength

wentout · ryzokuken · commit dcd0ba1814ab · 2019-06-01T14:35:11.000+05:30
code and learn task for additional coverage for situation when maxArrayLength option is passed to util.inspect for sparse array and is set to number lower than actual number of entries PR-URL: nodejs#27901 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js
@@ -520,6 +520,10 @@ assert.strictEqual(util.inspect(-5e-324), '-5e-324');
     util.inspect(a, { maxArrayLength: 4 }),
     "[ 'foo', <1 empty item>, 'baz', <97 empty items>, ... 1 more item ]"
   );
+  // test 4 special case
+  assert.strictEqual(util.inspect(a, {
+    maxArrayLength: 2
+  }), "[ 'foo', <1 empty item>, ... 99 more items ]");
 }
 
 // Test for Array constructor in different context.
