test: add coverage for breakLength one-column array

Add coverage for breakLength option resulting in a single-column array display. Refs: https://coverage.nodejs.org/coverage-0b6d3070a176d437/lib/internal/util/inspect.js.html#L1277 PR-URL: #36657 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Jan 12, 2021 · 9f7fbcc · 9f7fbcc
1 parent 954a369
commit 9f7fbcc
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/test/parallel/test-util-inspect.js b/test/parallel/test-util-inspect.js
@@ -3059,3 +3059,22 @@ assert.strictEqual(
   Object.setPrototypeOf(generatorPrototype, originalProtoOfProto);
   assert.strictEqual(getProtoOfProto(), originalProtoOfProto);
 }
+
+{
+  // Test for when breakLength results in a single column.
+  const obj = Array(9).fill('fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf');
+  assert.strictEqual(
+    util.inspect(obj, { breakLength: 256 }),
+    '[\n' +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf',\n" +
+    "  'fhqwhgadshgnsdhjsdbkhsdabkfabkveybvf'\n" +
+    ']'
+  );
+}