1 files changed, 10 insertions, 1 deletions
diff --git a/lib/assert.js b/lib/assert.js
index 50ab6b39b1..0b256e604e 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -620,8 +620,13 @@ function expectedException(actual, expected, message, fn) {
       generatedMessage = true;
       message = 'The error is expected to be an instance of ' +
         `"${expected.name}". Received `;
+      // TODO: Special handle identical names.
       if (isError(actual)) {
-        message += `"${actual.name}"`;
+        const name = actual.constructor && actual.constructor.name;
+        message += `"${name || actual.name}"`;
+        if (actual.message) {
+          message += `\n\nError message:\n\n${actual.message}`;
+        }
       } else {
         message += `"${inspect(actual, { depth: -1 })}"`;
       }
@@ -636,6 +641,10 @@ function expectedException(actual, expected, message, fn) {
         const name = expected.name ? `"${expected.name}" ` : '';
         message = `The ${name}validation function is expected to return` +
           ` "true". Received ${inspect(res)}`;
+
+        if (isError(actual)) {
+          message += `\n\nCaught error:\n\n${actual}`;
+        }
       }
       throwError = true;
     }