test: test case when --enable-source-maps is provided

test/parallel/test-runner-coverage.js

@@ -321,6 +321,39 @@ test('coverage with source maps', skipIfNoInspector, () => {
   assert.strictEqual(result.status, 1);
 });
 
+
+test.only('coverage with --enable-source-maps option', skipIfNoInspector, () => {
+  const fixture = fixtures.path('test-runner', 'coverage', 'stdin.test.js');
+  const args = [
+    '--test', '--experimental-test-coverage', '--enable-source-maps', '--test-reporter', 'tap',
+    fixture,
+  ];
+
+  const report = [
+    '# start of coverage report',
+    '# ------------------------------------------------------------------',
+    '# file              | line % | branch % | funcs % | uncovered lines',
+    '# ------------------------------------------------------------------',
+    '# test              |        |          |         | ',
+    '#  fixtures         |        |          |         | ',
+    '#   test-runner     |        |          |         | ',
+    '#    coverage       |        |          |         | ',
+    '#     stdin.test.ts |  57.14 |   100.00 |  100.00 | 4-6',
+    '# ------------------------------------------------------------------',
+    '# all files         |  57.14 |   100.00 |  100.00 | ',
+    '# ------------------------------------------------------------------',
+    '# end of coverage report'
+  ].join('\n');
+
+  const result = spawnSync(process.execPath, args);
+  const stdOut = result.stdout.toString();
+
+  assert.strictEqual(result.stderr.toString(), '');
+  assert(!stdOut.includes('TypeError'));
+  assert(stdOut.includes(report));
+  assert.strictEqual(result.status, 0);
+});
+
 test('coverage with source maps missing sources', skipIfNoInspector, () => {
   const file = fixtures.path('test-runner', 'source-map-missing-sources', 'index.js');
   const missing = fixtures.path('test-runner', 'source-map-missing-sources', 'nonexistent.js');