some names cannot be written

tapjs · Nov 21, 2017 · 46b2ae2 · 46b2ae2
1 parent 2a817d9
commit 46b2ae2
Showing 1 changed file with 16 additions and 4 deletions.
diff --git a/lib/test.js b/lib/test.js
@@ -1133,8 +1133,14 @@ class Test extends Base {
       return this.fail(message, extra)
     } catch (er) {
       // 'name' is a getter.
-      if (er.name)
-        er.name = er.name + ''
+      if (er.name) {
+        Object.defineProperty(er, 'name', {
+          value: er.name + '',
+          enumerable: true,
+          configurable: true,
+          writable: true
+        })
+      }
 
       const actual = isRegExp(wanted) ? er.message : er
       return wanted ? this.match(actual, wanted, message, extra)
@@ -1257,8 +1263,14 @@ class Test extends Base {
       t.fail(message, extra)
     }, er => {
       // 'name' is a getter.
-      if (er.name)
-        er.name = er.name + ''
+      if (er.name) {
+        Object.defineProperty(er, 'name', {
+          value: er.name + '',
+          enumerable: true,
+          configurable: true,
+          writable: true
+        })
+      }
 
       const actual = isRegExp(wanted) ? er.message : er
       return wanted ? t.match(actual, wanted, message, extra)