diff --git a/test/mock/minify/demo.js b/test/mock/minify/demo.js
index 473450ee..de949b3d 100644
--- a/test/mock/minify/demo.js
+++ b/test/mock/minify/demo.js
@@ -7,6 +7,7 @@ function callback() {
     block comment
 */
 
+/* v8 ignore next 3 */
 function other() {
 
 }
diff --git a/test/mock/src/ignore.js b/test/mock/src/ignore.js
new file mode 100644
index 00000000..bf4990bf
--- /dev/null
+++ b/test/mock/src/ignore.js
@@ -0,0 +1,33 @@
+
+const platform = 'wind32';
+
+/* v8 ignore next */
+if (platform === 'darwin') {
+    console.info('hello darwin');
+}
+
+
+/* v8 ignore next 3 */
+if (platform === 'linux') {
+    console.info('hello linux');
+}
+
+
+const os = platform === 'wind32' ? 'Windows' /* v8 ignore next */ : 'Other';
+
+/* v8 ignore start */
+function uncovered(v) {
+    console.log(os);
+}
+
+/* v8 ignore stop */
+
+const ignore = () => {
+    const v = 1;
+
+    /* v8 ignore start */
+    uncovered(v);
+};
+
+
+export { ignore };
diff --git a/test/mock/src/index.js b/test/mock/src/index.js
index 7eb29178..d1df4432 100644
--- a/test/mock/src/index.js
+++ b/test/mock/src/index.js
@@ -1,6 +1,7 @@
 import '../minify/comments.js';
 import '../minify/demo.js';
 
+import './ignore.js';
 import branch from './branch.js';
 import ts from './typescript.ts';