assert.throws can now accept as RegExp

makes validation of errors more flexible

1 files changed, 10 insertions, 0 deletions

diff --git a/test/simple/test-assert.js b/test/simple/test-assert.js
index ea270cbcea8..906d96a019f 100644
--- a/test/simple/test-assert.js
+++ b/test/simple/test-assert.js
@@ -158,3 +158,13 @@ assert.equal(true,threw,'a.doesNotThrow is not catching type matching errors');
 assert.throws(function () {assert.ifError(new Error('test error'))});
 assert.doesNotThrow(function(){assert.ifError(null)});
 assert.doesNotThrow(function(){assert.ifError()});
+
+// use a RegExp to validate error message
+a.throws(makeBlock(thrower, TypeError), /test/ );
+
+// use a fn to validate error object
+a.throws(makeBlock(thrower, TypeError), function(err) {
+    if (!(err instanceof TypeError) || !/test/.test(err)) {
+        return false;
+    }
+});