#420 wrong resizing tests

test/resizeWrong.js

@@ -0,0 +1,42 @@
+var assert = require('assert')
+var fs = require('fs')
+
+module.exports = function (_, dir, finish, gm) {
+  if (!gm.integration)
+    return finish();
+
+  var original = dir + '/original.png';
+  var resized = dir + '/resize';
+  var widths = [600, 700, 400, 800], i, cb;
+
+  var resize = function (width, resized, cb) {
+    console.log('resized', resized);
+    console.log('width', width);
+    gm(original)
+      .resize(width)
+      .write(resized, function(err){
+        if (err) return finish(err);
+
+        gm(resized)
+          .size(function (err, size) {
+            if (err) return finish(err);
+            if (size.width !== width) return finish("Wrong resizing on requested:" + width + ", resized:" + size.width);
+
+            if (cb) cb();
+            else finish();
+          });
+      });
+  };
+
+  for (i = 0; i < widths.length; i++) {
+    if (i < widths.length - 2) {
+      cb = function () {
+        resize(widths[i + 1]);
+      };
+    } else {
+      cb = null;
+    }
+
+    resize(widths[i], resized + i + '.png', cb);
+  };
+}