fix instanceof rethrow test

chaijs · Sep 6, 2017 · d4fde80 · d4fde80
1 parent 6586e2d
commit d4fde80
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Showing 3 changed files with 3 additions and 26 deletions.
diff --git a/test/assert.js b/test/assert.js
@@ -180,19 +180,12 @@ describe('assert', function () {
       assert.instanceOf(new Foo(), undefined);
     }, "The instanceof assertion needs a constructor but undefined was given.");
 
-    var expectedError;
-    try {
-      t instanceof Thing;
-    } catch (err) {
-      errMsg = '[object Object] instanceof function Thing(){} failed: ' + err.message + '.';
-    }
-
     err(function(){
       function Thing(){};
       var t = new Thing();
       Thing.prototype = 1337;
       assert.instanceOf(t, Thing);
-    }, expectedError, true);
+    }, 'The instanceof assertion needs a constructor but function was given.', true);
 
     if (typeof Symbol !== 'undefined' && typeof Symbol.hasInstance !== 'undefined') {
         err(function(){

diff --git a/test/expect.js b/test/expect.js
@@ -413,20 +413,12 @@ describe('expect', function () {
       expect(new Foo()).to.an.instanceof(undefined);
     }, "The instanceof assertion needs a constructor but undefined was given.");
 
-    // Different browsers may have different error messages
-    var expectedError;
-    try {
-      t instanceof Thing;
-    } catch (err) {
-      errMsg = '[object Object] instanceof function Thing(){} failed: ' + err.message + '.';
-    }
-
     err(function(){
       function Thing(){};
       var t = new Thing();
       Thing.prototype = 1337;
       expect(t).to.an.instanceof(Thing);
-    }, expectedError, true)
+    }, 'The instanceof assertion needs a constructor but function was given.', true)
 
     if (typeof Symbol !== 'undefined' && typeof Symbol.hasInstance !== 'undefined') {
         err(function(){

diff --git a/test/should.js b/test/should.js
@@ -455,20 +455,12 @@ describe('should', function() {
       new Foo().should.be.an.instanceof(undefined);
     }, "The instanceof assertion needs a constructor but undefined was given.");
 
-    // Different browsers may have different error messages
-    var expectedError;
-    try {
-      t instanceof Thing;
-    } catch (err) {
-      errMsg = '[object Object] instanceof function Thing(){} failed: ' + err.message + '.';
-    }
-
     err(function(){
       function Thing(){};
       var t = new Thing();
       Thing.prototype = 1337;
       t.should.be.an.instanceof(Thing);
-    }, expectedError, true);
+    }, 'The instanceof assertion needs a constructor but function was given.', true);
 
     if (typeof Symbol !== 'undefined' && typeof Symbol.hasInstance !== 'undefined') {
         err(function(){