diff --git a/.travis.yml b/.travis.yml
index f6ac089a..e986fe07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,6 @@ os:
 
 env:
   matrix:
-  - TRAVIS_NODE_VERSION="0.10"
-  - TRAVIS_NODE_VERSION="0.12"
   - TRAVIS_NODE_VERSION="4"
   - TRAVIS_NODE_VERSION="5"
   - TRAVIS_NODE_VERSION="6"
@@ -51,6 +49,9 @@ install:
 script:
   - npm test
 
+after_success:
+  - if [ $TRAVIS_BRANCH == "master" ]; then npm run prebuild -- -u $GITHUB_TOKEN; fi
+
 notifications:
   webhooks:
     urls:
diff --git a/appveyor.yml b/appveyor.yml
index 23bec830..6e62a659 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,13 +4,15 @@
 environment:
   matrix:
   # node.js
-    - nodejs_version: "0.10"
-    - nodejs_version: "0.12"
     - nodejs_version: "4"
     - nodejs_version: "5"
     - nodejs_version: "6"
     - nodejs_version: "Stable"
 
+platform:
+  - x86
+  - x64
+
 # Install scripts. (runs after repo cloning)
 install:
   # Get the latest stable version of Node 0.STABLE.latest
@@ -29,6 +31,8 @@ test_script:
   # run tests
   - npm test
 
-build: off
+on_success:
+  - IF "%APPVEYOR_PULL_REQUEST_NUMBER%" EQU "" npm run prebuild -- -u %GITHUB_TOKEN%
 
-version: "{build}"
\ No newline at end of file
+build: off
+version: "{build}"
diff --git a/package-lock.json b/package-lock.json
index bbc30df6..0e157b1d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/node": {
+      "version": "8.9.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.9.4.tgz",
+      "integrity": "sha512-dSvD36qnQs78G1BPsrZFdPpvLgMW/dnvr5+nTW2csMs5TiP9MOXrjUbnMZOEwnIuBklXtn7b6TPA2Cuq07bDHA==",
+      "dev": true
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -50,9 +56,44 @@
       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
       "requires": {
         "delegates": "1.0.0",
-        "readable-stream": "2.3.3"
+        "readable-stream": "2.3.4"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "readable-stream": {
+          "version": "2.3.4",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.4.tgz",
+          "integrity": "sha512-vuYxeWYM+fde14+rajzqgeohAI7YoJcHE7kXDAc4Nk0EbuKnJfqtY9YtRkLo/tqkuF7MsBQRhPnPeyjYITp3ZQ==",
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "2.0.0",
+            "safe-buffer": "5.1.1",
+            "string_decoder": "1.0.3",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "string_decoder": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "requires": {
+            "safe-buffer": "5.1.1"
+          }
+        }
       }
     },
+    "array-find-index": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
+      "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=",
+      "dev": true
+    },
     "array-index": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/array-index/-/array-index-1.0.0.tgz",
@@ -81,7 +122,7 @@
       "integrity": "sha512-xAfGg1/NTLBBKlHFmnd7PlmUW9KhVQIUuSrYem9xzFUZy13ScvtyGGejaae9iAVRiRq9+Cx7DPFaAAhCpyxyPw==",
       "dev": true,
       "requires": {
-        "lodash": "4.17.4"
+        "lodash": "4.17.5"
       }
     },
     "asynckit": {
@@ -90,6 +131,12 @@
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
       "dev": true
     },
+    "attempt-x": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/attempt-x/-/attempt-x-1.1.3.tgz",
+      "integrity": "sha512-y/+ek8IjxVpTbj/phC87jK5YRhlP5Uu7FlQdCmYuut1DTjNruyrGqUWi5bcX1VKsQX1B0FX16A1hqHomKpHv3A==",
+      "dev": true
+    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -123,7 +170,36 @@
       "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.1.tgz",
       "integrity": "sha1-ysMo977kVzDUBLaSID/LWQ4XLV4=",
       "requires": {
-        "readable-stream": "2.3.3"
+        "readable-stream": "2.3.4"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "readable-stream": {
+          "version": "2.3.4",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.4.tgz",
+          "integrity": "sha512-vuYxeWYM+fde14+rajzqgeohAI7YoJcHE7kXDAc4Nk0EbuKnJfqtY9YtRkLo/tqkuF7MsBQRhPnPeyjYITp3ZQ==",
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "2.0.0",
+            "safe-buffer": "5.1.1",
+            "string_decoder": "1.0.3",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "string_decoder": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "requires": {
+            "safe-buffer": "5.1.1"
+          }
+        }
       }
     },
     "block-stream": {
@@ -141,19 +217,56 @@
       "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
       "dev": true,
       "requires": {
-        "hoek": "4.2.0"
+        "hoek": "4.2.1"
       }
     },
     "brace-expansion": {
-      "version": "1.1.8",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
-      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
       "requires": {
         "balanced-match": "1.0.0",
         "concat-map": "0.0.1"
       }
     },
+    "buffer-from": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-0.1.1.tgz",
+      "integrity": "sha1-V7GLHaChnsBvM4N6UnWiQjUb114=",
+      "dev": true,
+      "requires": {
+        "is-array-buffer-x": "1.7.0"
+      }
+    },
+    "builtin-modules": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+      "dev": true
+    },
+    "cached-constructors-x": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/cached-constructors-x/-/cached-constructors-x-1.0.2.tgz",
+      "integrity": "sha512-7lKwmwXweW6E/31RHAJemLtZPfb2xvcABXknFF4b/dNYv4DbSGTgQHckXLQkNw6BB4HKFYW6mJgsNjADAy1ehw==",
+      "dev": true
+    },
+    "camelcase": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
+      "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
+      "dev": true
+    },
+    "camelcase-keys": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+      "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
+      "dev": true,
+      "requires": {
+        "camelcase": "2.1.1",
+        "map-obj": "1.0.1"
+      }
+    },
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -177,9 +290,9 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "combined-stream": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
-      "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
       "dev": true,
       "requires": {
         "delayed-stream": "1.0.0"
@@ -191,6 +304,49 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
+    "concat-stream": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
+      "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.4",
+        "typedarray": "0.0.6"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "2.3.4",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.4.tgz",
+          "integrity": "sha512-vuYxeWYM+fde14+rajzqgeohAI7YoJcHE7kXDAc4Nk0EbuKnJfqtY9YtRkLo/tqkuF7MsBQRhPnPeyjYITp3ZQ==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "2.0.0",
+            "safe-buffer": "5.1.1",
+            "string_decoder": "1.0.3",
+            "util-deprecate": "1.0.2"
+          }
+        },
+        "string_decoder": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.1.1"
+          }
+        }
+      }
+    },
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
@@ -216,18 +372,27 @@
           "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
           "dev": true,
           "requires": {
-            "hoek": "4.2.0"
+            "hoek": "4.2.1"
           }
         }
       }
     },
+    "currently-unhandled": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
+      "integrity": "sha1-mI3zP+qxke95mmE2nddsF635V+o=",
+      "dev": true,
+      "requires": {
+        "array-find-index": "1.0.2"
+      }
+    },
     "d": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
       "dev": true,
       "requires": {
-        "es5-ext": "0.10.37"
+        "es5-ext": "0.10.39"
       }
     },
     "dashdash": {
@@ -248,23 +413,25 @@
         "ms": "2.0.0"
       }
     },
-    "deep-equal": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-0.2.2.tgz",
-      "integrity": "sha1-hLdFiW80xoTpjyzg5Cq69Du6AX0=",
+    "decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
       "dev": true
     },
+    "decompress-response": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
+      "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+      "requires": {
+        "mimic-response": "1.0.0"
+      }
+    },
     "deep-extend": {
       "version": "0.4.2",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.2.tgz",
       "integrity": "sha1-SLaZwn4zS/ifEIkr5DL25MfTSn8="
     },
-    "defined": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/defined/-/defined-0.0.0.tgz",
-      "integrity": "sha1-817qfXBekzuvE7LwOz+D2SFAOz4=",
-      "dev": true
-    },
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -276,6 +443,11 @@
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
     },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+    },
     "duplexer2": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
@@ -283,32 +455,6 @@
       "dev": true,
       "requires": {
         "readable-stream": "1.1.14"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.1.14",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "0.0.1",
-            "string_decoder": "0.10.31"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        }
       }
     },
     "ecc-jsbn": {
@@ -321,6 +467,34 @@
         "jsbn": "0.1.1"
       }
     },
+    "electron": {
+      "version": "1.8.2",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-1.8.2.tgz",
+      "integrity": "sha512-0TV5Hy92g8ACnPn+PVol6a/2uk+khzmRtWxhah/FcKs6StCytm5hD14QqOdZxEdJN8HljXIVCayN/wJX+0wDiQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "8.9.4",
+        "electron-download": "3.3.0",
+        "extract-zip": "1.6.6"
+      }
+    },
+    "electron-download": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/electron-download/-/electron-download-3.3.0.tgz",
+      "integrity": "sha1-LP1U1pZsAZxNSa1l++Zcyc3vaMg=",
+      "dev": true,
+      "requires": {
+        "debug": "2.6.9",
+        "fs-extra": "0.30.0",
+        "home-path": "1.0.5",
+        "minimist": "1.2.0",
+        "nugget": "2.0.1",
+        "path-exists": "2.1.0",
+        "rc": "1.2.5",
+        "semver": "5.5.0",
+        "sumchecker": "1.3.1"
+      }
+    },
     "end-of-stream": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
@@ -329,10 +503,19 @@
         "once": "1.4.0"
       }
     },
+    "error-ex": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.1.tgz",
+      "integrity": "sha1-+FWobOYa3E6GIcPNoh56dhLDqNw=",
+      "dev": true,
+      "requires": {
+        "is-arrayish": "0.2.1"
+      }
+    },
     "es5-ext": {
-      "version": "0.10.37",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.37.tgz",
-      "integrity": "sha1-DudB0Ui4AGm6J9AgOTdWryV978M=",
+      "version": "0.10.39",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.39.tgz",
+      "integrity": "sha512-AlaXZhPHl0po/uxMx1tyrlt1O86M6D5iVaDH8UgLfgek4kXTX6vzsRfJQWC2Ku+aG8pkw1XWzh9eTkwfVrsD5g==",
       "dev": true,
       "requires": {
         "es6-iterator": "2.0.3",
@@ -346,10 +529,16 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.37",
+        "es5-ext": "0.10.39",
         "es6-symbol": "3.1.1"
       }
     },
+    "es6-promise": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.4.tgz",
+      "integrity": "sha512-/NdNZVJg+uZgtm9eS3O6lrOLYmQag2DjdEXuPaHlZ6RuVqgqaVZfgYCepEIKsLqwdQArOPtC3XzRLqGGfT8KQQ==",
+      "dev": true
+    },
     "es6-symbol": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.1.tgz",
@@ -357,7 +546,7 @@
       "dev": true,
       "requires": {
         "d": "1.0.0",
-        "es5-ext": "0.10.37"
+        "es5-ext": "0.10.39"
       }
     },
     "execspawn": {
@@ -369,6 +558,12 @@
         "util-extend": "1.0.3"
       }
     },
+    "exit": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz",
+      "integrity": "sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=",
+      "dev": true
+    },
     "expand-template": {
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-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-1.0.2.tgz",
-      "integrity": "sha1-uYTwh3/AqJwsdzzB73tbIytbBv4="
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
     },
     "url-template": {
       "version": "2.0.8",
@@ -1378,9 +2491,25 @@
       "dev": true
     },
     "uuid": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
+      "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA==",
+      "dev": true
+    },
+    "validate-npm-package-license": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
+      "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "1.0.2",
+        "spdx-expression-parse": "1.0.4"
+      }
+    },
+    "validate.io-undefined": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/validate.io-undefined/-/validate.io-undefined-1.0.3.tgz",
+      "integrity": "sha1-fif8uzFbhB54JDQxiXZxkp4gt/Q=",
       "dev": true
     },
     "verror": {
@@ -1403,6 +2532,17 @@
         "isexe": "2.0.0"
       }
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
+    },
+    "white-space-x": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/white-space-x/-/white-space-x-3.0.1.tgz",
+      "integrity": "sha512-BwMFXQNPna/4RsNPOgldVYn+FkEv+lc3wUiFzuaW6Z2DH/oSk1UrRD6SBqDgWQO4JU+aBq3PVuPD9Vz0j7mh0w==",
+      "dev": true
+    },
     "wide-align": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
@@ -1417,9 +2557,22 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
+      "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
+      "dev": true,
+      "requires": {
+        "object-keys": "0.4.0"
+      }
+    },
+    "yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "dev": true,
+      "requires": {
+        "fd-slicer": "1.0.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 60d7ca77..fbdd359b 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,15 @@
 {
   "name": "robotjs",
-  "version": "0.4.7",
+  "version": "0.4.8",
   "description": "Node.js Desktop Automation.",
   "main": "index.js",
   "typings": "index.d.ts",
   "scripts": {
-    "test": "node test/all.js",
-    "install": "prebuild-install || node-gyp rebuild"
+    "test": "run-script-os",
+    "test:darwin:linux": "jasmine 'test/**/*.js'",
+    "test:win32": "jasmine test/**/*.js",
+    "install": "prebuild-install || node-gyp rebuild",
+    "prebuild": "prebuild --all"
   },
   "repository": {
     "type": "git",
@@ -41,7 +44,9 @@
     "prebuild-install": "^2.1.1"
   },
   "devDependencies": {
-    "tape": "^3.5.0",
-    "prebuild": "v6.1.0"
+    "jasmine": "^2.99.0",
+    "prebuild": "^7.4.0",
+    "run-script-os": "^1.0.3",
+    "targetpractice": "0.0.7"
   }
 }
diff --git a/src/mouse.c b/src/mouse.c
index 94743655..4f1a2979 100644
--- a/src/mouse.c
+++ b/src/mouse.c
@@ -256,8 +256,20 @@ void scrollMouse(int x, int y)
 
 #elif defined(USE_X11)
 
-	int ydir = 4; /* Button 4 is up, 5 is down. */
-	int xdir = 6;
+	/*
+	X11 Mouse Button Numbering
+	1 = left button
+	2 = middle button (pressing the scroll wheel)
+	3 = right button
+	4 = turn scroll wheel up
+	5 = turn scroll wheel down
+	6 = push scroll wheel left
+	7 = push scroll wheel right
+	8 = 4th button (aka browser backward button)
+	9 = 5th button (aka browser forward button)
+	*/
+	int ydir = 4; // Button 4 is up, 5 is down.
+	int xdir = 6; // Button 6 is left, 7 is right.
 	Display *display = XGetMainDisplay();
 
 	if (y < 0){
@@ -274,8 +286,8 @@ void scrollMouse(int x, int y)
 		XTestFakeButtonEvent(display, xdir, 0, CurrentTime);
 	}
 	for (yi = 0; yi < abs(y); yi++) {
-		YTestFakeButtonEvent(display, ydir, 1, CurrentTime);
-		YTestFakeButtonEvent(display, ydir, 0, CurrentTime);
+		XTestFakeButtonEvent(display, ydir, 1, CurrentTime);
+		XTestFakeButtonEvent(display, ydir, 0, CurrentTime);
 	}
 
 	XSync(display, false);
@@ -285,18 +297,19 @@ void scrollMouse(int x, int y)
 	mouseScrollInputH.type = INPUT_MOUSE;
 	mouseScrollInputH.mi.dx = 0;
 	mouseScrollInputH.mi.dy = 0;
-	mouseScrollInputH.mi.dwFlags = MOUSEEVENTF_WHEEL;
+	mouseScrollInputH.mi.dwFlags = MOUSEEVENTF_HWHEEL;
 	mouseScrollInputH.mi.time = 0;
 	mouseScrollInputH.mi.dwExtraInfo = 0;
-	mouseScrollInputH.mi.mouseData = WHEEL_DELTA * x;
+	// Flip x to match other platforms.
+	mouseScrollInputH.mi.mouseData = -x;
 
 	mouseScrollInputV.type = INPUT_MOUSE;
 	mouseScrollInputV.mi.dx = 0;
 	mouseScrollInputV.mi.dy = 0;
-	mouseScrollInputV.mi.dwFlags = MOUSEEVENTF_HWHEEL;
+	mouseScrollInputV.mi.dwFlags = MOUSEEVENTF_WHEEL;
 	mouseScrollInputV.mi.time = 0;
 	mouseScrollInputV.mi.dwExtraInfo = 0;
-	mouseScrollInputV.mi.mouseData = WHEEL_DELTA * y;
+	mouseScrollInputV.mi.mouseData = y;
 
 	SendInput(1, &mouseScrollInputH, sizeof(mouseScrollInputH));
 	SendInput(1, &mouseScrollInputV, sizeof(mouseScrollInputV));
diff --git a/src/robotjs.cc b/src/robotjs.cc
index 1076e3f6..9038161f 100644
--- a/src/robotjs.cc
+++ b/src/robotjs.cc
@@ -247,7 +247,7 @@ NAN_METHOD(scrollMouse)
 	{
     	return Nan::ThrowError("Invalid number of arguments.");
 	}
-	
+
 	int x = info[0]->Int32Value();
 	int y = info[1]->Int32Value();
 
diff --git a/test/all.js b/test/all.js
deleted file mode 100644
index 77ce1ad6..00000000
--- a/test/all.js
+++ /dev/null
@@ -1,5 +0,0 @@
-//Run all tests.
-require('./mouse');
-require('./keyboard');
-require('./screen');
-require('./bitmap');
diff --git a/test/bitmap.js b/test/bitmap.js
index 78df85b6..cf04f8fd 100644
--- a/test/bitmap.js
+++ b/test/bitmap.js
@@ -1,91 +1,56 @@
-var test = require('tape');
 var robot = require('..');
 
-var params =
-{
-	'width': 'number',
-	'height': 'number',
-	'byteWidth': 'number',
-	'bitsPerPixel': 'number',
-	'bytesPerPixel': 'number',
-	'image': 'object'
-};
-
-test('Get a bitmap.', function(t)
-{
-	t.plan(1);
-	t.ok(robot.screen.capture(), 'got a bitmap.');
-});
-
-test('Get a bitmap and check the parameters.', function(t)
-{
-	t.plan(6);
-	var img = robot.screen.capture();
-
-	for (var x in params)
-	{
-		t.equal(typeof img[x], params[x], 'make sure ' + x  + ' is a ' + params[x] + '.');
-	}
-});
-
-test('Get a bitmap of a specific size.', function(t)
-{
-	var size = 10;
-	t.plan(2);
-	var img = robot.screen.capture(0, 0, size, size);
-	
-	// Support for higher density screens.
-	var multi = img.width / size;
-	var size = size * multi;
-	t.equals(img.height, size, 'make sure image is expected height.');
-	t.equals(img.width, size, 'make sure image is expected width.');
-});
-
-test('Get a bitmap and make sure the colorAt works as expected.', function(t)
-{
-	t.plan(7);
-	var img = robot.screen.capture();
-	var hex = img.colorAt(0, 0);
-
-	t.ok(/^[0-9A-F]{6}$/i.test(hex), "colorAt returned valid hex.");
-
-	var screenSize = robot.getScreenSize();
-	var width = screenSize.width;
-	var height = screenSize.height;
-	
-	// Support for higher density screens.
-	var multi = img.width / width;
-	width = width * multi; 
-	height = height * multi;
-	
-	t.throws(function()
+describe('Bitmap', () => {
+  var params = {
+		'width': 'number',
+		'height': 'number',
+		'byteWidth': 'number',
+		'bitsPerPixel': 'number',
+		'bytesPerPixel': 'number',
+		'image': 'object'
+	};
+
+	it('Get a bitmap and check the parameters.', function() {
+		var img = robot.screen.capture();
+
+		for (var x in params)
+		{
+			expect(typeof img[x]).toEqual(params[x]);
+		}
+	});
+
+	it('Get a bitmap of a specific size.', function()
 	{
-		img.colorAt(0, height);
-	}, /are outside the bitmap/, 'colorAt (0, screen.height) threw an error.');
+		var size = 10;
+		var img = robot.screen.capture(0, 0, size, size);
 
-	t.doesNotThrow(function()
-	{
-		img.colorAt(0, height-1);
-	}, /are outside the bitmap/, 'colorAt (0, screen.height-1) did not throw an error.');
-
-	t.throws(function()
-	{
-		img.colorAt(width, 0);
-	}, /are outside the bitmap/, 'colorAt (screen.width, 0) threw an error.');
-
-	t.doesNotThrow(function()
-	{
-		img.colorAt(width-1, 0);
-	}, /are outside the bitmap/, 'colorAt (screen.width-1, 0) did not throw an error.');
-
-	t.throws(function()
-	{
-		img.colorAt(9999999999999, 0);
-	}, /are outside the bitmap/, 'colorAt (9999999999999, 0) threw an error.');
+		// Support for higher density screens.
+		var multi = img.width / size;
+		var size = size * multi;
+		expect(img.height).toEqual(size);
+		expect(img.width).toEqual(size);
+	});
 
-	// Regression test for https://github.com/octalmage/robotjs/commit/c41f38217fd73f59e6ca63015b51565cd1e7cfb7
-	t.throws(function()
+	it('Get a bitmap and make sure the colorAt works as expected.', function()
 	{
-		img.colorAt(0, 9999999999999);
-	}, /are outside the bitmap/, 'colorAt (0, 9999999999999) threw an error.');
+		var img = robot.screen.capture();
+		var hex = img.colorAt(0, 0);
+
+		// t.ok(.it(hex), "colorAt returned valid hex.");
+		expect(hex).toMatch(/^[0-9A-F]{6}$/i);
+
+		var screenSize = robot.getScreenSize();
+		var width = screenSize.width;
+		var height = screenSize.height;
+
+		// Support for higher density screens.
+		var multi = img.width / width;
+		width = width * multi;
+		height = height * multi;
+		expect(() => img.colorAt(0, height)).toThrowError(/are outside the bitmap/);
+		expect(() => img.colorAt(0, height-1)).not.toThrow();
+		expect(() => img.colorAt(width, 0)).toThrowError(/are outside the bitmap/);
+		expect(() => img.colorAt(9999999999999, 0)).toThrowError(/are outside the bitmap/);
+		expect(() => img.colorAt(0, 9999999999999)).toThrowError(/are outside the bitmap/);
+	});
 });
diff --git a/test/integration/keyboard.js b/test/integration/keyboard.js
new file mode 100644
index 00000000..47b17d67
--- /dev/null
+++ b/test/integration/keyboard.js
@@ -0,0 +1,38 @@
+/* jshint esversion: 6 */
+var robot = require('../..');
+var targetpractice = require('targetpractice/index.js');
+var os = require('os');
+
+robot.setMouseDelay(100);
+
+var target, elements;
+
+describe('Integration/Keyboard', () => {
+	beforeEach(done => {
+		target = targetpractice.start();
+		target.once('elements', message => {
+			elements = message;
+			done();
+		});
+	});
+
+	afterEach(() => {
+		targetpractice.stop();
+		target = null;
+	});
+
+	it('types', done => {
+		const stringToType = 'hello world';
+		// Currently Target Practice waits for the "user" to finish typing before sending the event.
+		target.once('type', element => {
+			expect(element.id).toEqual('input_1');
+			expect(element.text).toEqual(stringToType);
+			done();
+		});
+
+		const input_1 = elements.input_1;
+		robot.moveMouse(input_1.x, input_1.y);
+		robot.mouseClick();
+		robot.typeString(stringToType);
+	});
+});
diff --git a/test/integration/mouse.js b/test/integration/mouse.js
new file mode 100644
index 00000000..a536ca09
--- /dev/null
+++ b/test/integration/mouse.js
@@ -0,0 +1,95 @@
+/* jshint esversion: 6 */
+var robot = require('../..');
+var targetpractice = require('targetpractice/index.js');
+var os = require('os');
+
+robot.setMouseDelay(100);
+
+var target, elements;
+
+describe('Integration/Mouse', () => {
+	beforeEach(done => {
+		target = targetpractice.start();
+		target.once('elements', message => {
+			elements = message;
+			done();
+		});
+	});
+
+	afterEach(() => {
+		targetpractice.stop();
+		target = null;
+	});
+
+	it('clicks', done => {
+		// Alright we got a click event, did we click the button we wanted?
+		target.once('click', function(e)
+		{
+			expect(e.id).toEqual('button_1');
+			expect(e.type).toEqual('click');
+			done();
+		});
+
+		// For this test we want a button.
+		var button_1 = elements.button_1;
+		// Click it!
+		robot.moveMouse(button_1.x, button_1.y);
+		robot.mouseClick();
+	});
+
+	it('scrolls vertically', done => {
+		target.once('scroll', element => {
+			/**
+			 *  TODO: This is gross! The scroll distance is different for each OS. I want
+			 *  to look into this further, but at least these numbers are consistent.
+			 */
+			var expectedScroll;
+			switch(os.platform()) {
+				case 'linux':
+					expectedScroll = 180;
+					break;
+				case 'win32':
+					expectedScroll = 8;
+					break;
+				default:
+					expectedScroll = 10;
+			}
+			expect(element.id).toEqual('textarea_1');
+			expect(element.scroll_y).toEqual(expectedScroll);
+			done();
+		});
+
+		var textarea_1 = elements.textarea_1;
+		robot.moveMouse(textarea_1.x, textarea_1.y);
+		robot.mouseClick();
+		robot.scrollMouse(0, -10);
+	});
+
+	it('scrolls horizontally', done => {
+		target.once('scroll', element => {
+			/**
+			 *  TODO: This is gross! The scroll distance is different for each OS. I want
+			 *  to look into this further, but at least these numbers are consistent.
+			 */
+			var expectedScroll;
+			switch(os.platform()) {
+				case 'linux':
+					expectedScroll = 530;
+					break;
+				case 'win32':
+					expectedScroll = 8;
+					break;
+				default:
+					expectedScroll = 10;
+			}
+			expect(element.id).toEqual('textarea_1');
+			expect(element.scroll_x).toEqual(expectedScroll);
+			done();
+		});
+
+		var textarea_1 = elements.textarea_1;
+		robot.moveMouse(textarea_1.x, textarea_1.y);
+		robot.mouseClick();
+		robot.scrollMouse(-10, 0);
+	});
+});
diff --git a/test/integration/screen.js b/test/integration/screen.js
new file mode 100644
index 00000000..2de08301
--- /dev/null
+++ b/test/integration/screen.js
@@ -0,0 +1,25 @@
+/* jshint esversion: 6 */
+var robot = require('../..');
+var targetpractice = require('targetpractice/index.js');
+var elements, target;
+
+describe('Integration/Screen', () => {
+	beforeEach(done => {
+		target = targetpractice.start();
+		target.once('elements', message => {
+			elements = message;
+			done();
+		});
+	});
+
+	afterEach(() => {
+		targetpractice.stop();
+		target = null;
+	});
+
+	it('reads a pixel color', () => {
+		var color_1 = elements.color_1;
+		const color = robot.getPixelColor(color_1.x, color_1.y);
+		expect(color).toEqual('c0ff33');
+	});
+});
diff --git a/test/keyboard.js b/test/keyboard.js
index cb36c080..cc1140eb 100644
--- a/test/keyboard.js
+++ b/test/keyboard.js
@@ -1,59 +1,41 @@
-var test = require('tape');
 var robot = require('..');
 var os = require('os');
 
-//TODO: Need tests for keyToggle, typeString, typeStringDelayed, and setKeyboardDelay.
-
-test('Tap a key.', function(t)
-{
-	t.plan(4);
-	t.ok(robot.keyTap("a") === 1, 'successfully tapped "a".');
-	t.ok(robot.keyTap("a", "control") === 1, 'successfully tapped "ctrl+a".');
-
-	t.throws(function()
-	{
-		robot.keyTap();
-	}, /Invalid number/, 'tap nothing.');
-
-	t.throws(function()
-	{
-		robot.keyTap();
-	}, /Invalid number/, 'tap "ctrl+a" with an extra argument.');
-});
-
-// This test won't fail if there's an issue, but it will help you identify an issue if ran locally.
-test('Tap all keys.', function(t)
-{
-	var chars = 'abcdefghijklmnopqrstuvwxyz1234567890,./;\'[]\\'.split('');
-
-	for (var x in chars)
-	{
-		t.ok(robot.keyTap(chars[x]), 'tap ' + chars[x] + '.');
-	}
-
-	t.end();
-});
-
-// This test won't fail if there's an issue, but it will help you identify an issue if ran locally.
-test('Tap all numpad keys.', function(t)
-{
-	var nums = '0123456789'.split('');
-
-	for (var x in nums)
-	{
-		if (os.platform() === 'linux')
-		{
-			/* jshint loopfunc:true */
-			t.throws(function()
-			{
-				robot.keyTap('numpad_' + nums[x]);
-			}, /Invalid key code/, 'tap ' + 'numpad_' + nums[x] + ' threw an error.');
-		}
-		else
-		{
-			t.ok(robot.keyTap('numpad_' + nums[x]), 'tap ' + 'numpad_' + nums[x] + '.');
-		}
-	}
-
-	t.end();
+// TODO: Need tests for keyToggle, typeString, typeStringDelayed, and setKeyboardDelay.
+
+describe('Keyboard', () => {
+  it('Tap a key.', function() {
+    expect(() => robot.keyTap('a')).not.toThrow();
+    expect(() => robot.keyTap('a', 'control')).not.toThrow();
+    expect(() => robot.keyTap()).toThrowError(/Invalid number/);
+  });
+
+  // This it won't fail if there's an issue, but it will help you identify an issue if ran locally.
+  it('Tap all keys.', function()
+  {
+    var chars = 'abcdefghijklmnopqrstuvwxyz1234567890,./;\'[]\\'.split('');
+
+    for (var x in chars)
+    {
+      expect(() => robot.keyTap(chars[x])).not.toThrow();
+    }
+  });
+
+  // This it won't fail if there's an issue, but it will help you identify an issue if ran locally.
+  it('Tap all numpad keys.', function()
+  {
+    var nums = '0123456789'.split('');
+
+    for (var x in nums)
+    {
+      if (os.platform() === 'linux')
+      {
+        expect(() => robot.keyTap('numpad_' + nums[x])).toThrowError(/Invalid key code/);
+      }
+      else
+      {
+        expect(() => robot.keyTap('numpad_' + nums[x])).not.toThrow();
+      }
+    }
+  });
 });
diff --git a/test/mouse.js b/test/mouse.js
index af156892..b8d4555a 100644
--- a/test/mouse.js
+++ b/test/mouse.js
@@ -1,113 +1,125 @@
-var test = require('tape');
 var robot = require('..');
 var lastKnownPos, currentPos;
 
-//Increase delay to help test reliability.
+//Increase delay to help it reliability.
 robot.setMouseDelay(100);
 
-test('Get the initial mouse position.', function(t) 
-{
-	t.plan(3);
-	t.ok(lastKnownPos = robot.getMousePos(), 'successfully retrieved mouse position.');
-	t.ok(lastKnownPos.x !== undefined, 'mousepos.x is a valid value.');
-	t.ok(lastKnownPos.y !== undefined, 'mousepos.y is a valid value.');
-});
+describe('Mouse', () => {
+  it('Get the initial mouse position.', function()
+  {
+    expect(lastKnownPos = robot.getMousePos()).toBeTruthy();
+    expect(lastKnownPos.x !== undefined).toBeTruthy();
+    expect(lastKnownPos.y !== undefined).toBeTruthy();
+  });
 
-test('Move the mouse.', function(t) 
-{
-	t.plan(6);
-	lastKnownPos = robot.moveMouse(0, 0);
-	t.ok(robot.moveMouse(100, 100) === 1, 'successfully moved the mouse.');
-	currentPos = robot.getMousePos();
-	t.ok(currentPos.x === 100, 'mousepos.x is correct.');
-	t.ok(currentPos.y === 100, 'mousepos.y is correct.');
-	
-	t.throws(function()
-	{
-		robot.moveMouse(0, 1, 2, 3);
-	}, /Invalid number/, 'move mouse to (0, 1, 2, 3).');
-	
-	t.throws(function()
-	{
-		robot.moveMouse(0);
-	}, /Invalid number/, 'move mouse to (0).');
-	
-	t.ok(robot.moveMouse("0", "0") === 1, 'move mouse to ("0", "0").');
+  it('Move the mouse.', function()
+  {
+    lastKnownPos = robot.moveMouse(0, 0);
+    expect(robot.moveMouse(100, 100) === 1).toBeTruthy();
+    currentPos = robot.getMousePos();
+    expect(currentPos.x === 100).toBeTruthy();
+    expect(currentPos.y === 100).toBeTruthy();
 
-});
+    expect(function()
+    {
+      robot.moveMouse(0, 1, 2, 3);
+    }).toThrowError(/Invalid number/);
 
-test('Move the mouse smoothly.', function(t) 
-{
-	t.plan(6);
-	lastKnownPos = robot.moveMouseSmooth(0, 0);
-	t.ok(robot.moveMouseSmooth(100, 100) === 1, 'successfully moved the mouse.');
-	currentPos = robot.getMousePos();
-	t.ok(currentPos.x === 100, 'mousepos.x is correct.');
-	t.ok(currentPos.y === 100, 'mousepos.y is correct.');
-	
-	t.throws(function()
-	{
-		robot.moveMouseSmooth(0, 1, 2, 3);
-	}, /Invalid number/, 'move mouse to (0, 1, 2, 3).');
-	
-	t.throws(function()
-	{
-		robot.moveMouseSmooth(0);
-	}, /Invalid number/, 'move mouse to (0).');
-	
-	t.ok(robot.moveMouseSmooth("0", "0") === 1, 'move mouse to ("0", "0").');
+    expect(function()
+    {
+      robot.moveMouse(0);
+    }).toThrowError(/Invalid number/);
 
-});
+    expect(robot.moveMouse("0", "0") === 1).toBeTruthy();
 
-test('Click the mouse.', function(t) 
-{
-	t.plan(8);
-	t.ok(robot.mouseClick(), 'click the mouse (no button specified).');
-	t.ok(robot.mouseClick("left") === 1, 'click the left mouse button.');
-	t.ok(robot.mouseClick("middle") === 1, 'click the middle mouse button.');
-	t.ok(robot.mouseClick("right") === 1, 'click the right mouse button.');
-	
-	t.ok(robot.mouseClick("left", 1), 'double click the left mouse button.');
-	
-	t.throws(function()
-	{
-		robot.mouseClick("party");
-	}, /Invalid mouse/, 'click an incorrect mouse button (party).');
-	
-	t.throws(function()
-	{
-		robot.mouseClick("0");
-	}, /Invalid mouse/, 'click an incorrect mouse button (0).');
-	
-	t.throws(function()
-	{
-		robot.mouseClick("left", 0, "test");
-	}, /Invalid number/, 'click the mouse with an extra argument.');
-	
-});
+  });
 
-test('Drag the mouse.', function(t) 
-{
-	t.plan(4);
-	
-	t.ok(robot.dragMouse(5, 5) === 1, 'successfully dragged the mouse.');
-	
-	t.throws(function()
-	{
-		robot.dragMouse(0);
-	}, /Invalid number/, 'drag mouse to (0).');
-	
-	t.throws(function()
-	{
-		robot.dragMouse(1, 1, "left", 5);
-	}, /Invalid number/, 'drag mouse with extra argument.');
-	
-	t.throws(function()
-	{
-		robot.dragMouse(2, 2, "party");
-	}, /Invalid mouse/, 'drag an incorrect mouse button (party).');
-	
-});
+  it('Move the mouse smoothly.', function()
+  {
+    lastKnownPos = robot.moveMouseSmooth(0, 0);
+    expect(robot.moveMouseSmooth(100, 100) === 1).toBeTruthy();
+    currentPos = robot.getMousePos();
+    expect(currentPos.x).toEqual(100);
+    expect(currentPos.y).toEqual(100);
+
+    expect(function()
+    {
+      robot.moveMouseSmooth(0, 1, 2, 3);
+    }).toThrowError(/Invalid number/);
+
+    expect(function()
+    {
+      robot.moveMouseSmooth(0);
+    }).toThrowError(/Invalid number/);
+
+    expect(robot.moveMouseSmooth("0", "0") === 1).toBeTruthy();
+
+  });
+
+  it('Click the mouse.', function()
+  {
+    expect(robot.mouseClick()).toBeTruthy();
+    expect(robot.mouseClick("left") === 1).toBeTruthy();
+    expect(robot.mouseClick("middle") === 1).toBeTruthy();
+    expect(robot.mouseClick("right") === 1).toBeTruthy();
+
+    expect(robot.mouseClick("left", 1)).toBeTruthy();
 
-//TODO: Need tests for mouseToggle, and scrollMouse. 
+    expect(function()
+    {
+      robot.mouseClick("party");
+    }).toThrowError(/Invalid mouse/);
 
+    expect(function()
+    {
+      robot.mouseClick("0");
+    }).toThrowError(/Invalid mouse/);
+
+    expect(function()
+    {
+      robot.mouseClick("left", 0, "it");
+    }).toThrowError(/Invalid number/);
+
+  });
+
+  it('Drag the mouse.', function()
+  {
+
+    expect(robot.dragMouse(5, 5) === 1).toBeTruthy();
+
+    expect(function()
+    {
+      robot.dragMouse(0);
+    }).toThrowError(/Invalid number/);
+
+    expect(function()
+    {
+      robot.dragMouse(1, 1, "left", 5);
+    }).toThrowError(/Invalid number/);
+
+    expect(function()
+    {
+      robot.dragMouse(2, 2, "party");
+    }).toThrowError(/Invalid mouse/);
+
+  });
+
+  it('Mouse scroll.', function()
+  {
+    expect(lastKnownPos = robot.getMousePos()).toBeTruthy();
+    expect(robot.mouseClick() === 1).toBeTruthy();
+    expect(robot.scrollMouse(0, 1 * 120) === 1).toBeTruthy();
+    expect(robot.scrollMouse(0, 20 * 120) === 1).toBeTruthy();
+    expect(robot.scrollMouse(0, -5 * 120) === 1).toBeTruthy();
+    expect(robot.scrollMouse(1 * 120, 0) === 1).toBeTruthy();
+    expect(robot.scrollMouse(20 * 120, 0) === 1).toBeTruthy();
+    expect(robot.scrollMouse(-5 * 120, 0) === 1).toBeTruthy();
+    expect(robot.scrollMouse(-5 * 120, -5 * 120) === 1).toBeTruthy();
+  });
+
+  it('Mouse Toggle', function()
+  {
+    expect(lastKnownPos = robot.getMousePos()).toBeTruthy();
+    expect(robot.mouseToggle('up', 'right') === 1).toBeTruthy();
+  });
+});
diff --git a/test/screen.js b/test/screen.js
index 48fb7f9e..c16e33b6 100644
--- a/test/screen.js
+++ b/test/screen.js
@@ -1,40 +1,39 @@
-var test = require('tape');
 var robot = require('..');
 var pixelColor, screenSize;
 
-test('Get pixel color.', function(t) 
-{
-	t.plan(8);
-	t.ok(pixelColor = robot.getPixelColor(5, 5), 'successfully got pixel color.');
-	t.ok(pixelColor !== undefined, 'pixelColor is a valid value.');
-	t.ok(pixelColor.length === 6, 'pixelColor is the correct length.');
-	t.ok(/^[0-9A-F]{6}$/i.test(pixelColor), "pixelColor is valid hex.");
-	
-	t.throws(function()
-	{
-		robot.getPixelColor(9999999999999, 9999999999999);
-	}, /outside the main screen/, 'get color of pixel (9999999999999, 9999999999999).');
-	
-	t.throws(function()
-	{
-		robot.getPixelColor(-1, -1);
-	}, /outside the main screen/, 'get color of pixel (-1, -1).');
-	
-	t.throws(function()
-	{
-		robot.getPixelColor(0);
-	}, /Invalid number/, 'get color of pixel (0).');
-	
-	t.throws(function()
-	{
-		robot.getPixelColor(1, 2, 3);
-	}, /Invalid number/, 'get color of pixel (1, 2, 3).');
-});
+describe('Screen', () => {
+  it('Get pixel color.', function()
+  {
+    expect(pixelColor = robot.getPixelColor(5, 5)).toBeTruthy();
+    expect(pixelColor !== undefined).toBeTruthy();
+    expect(pixelColor.length === 6).toBeTruthy();
+    expect(/^[0-9A-F]{6}$/i.test(pixelColor)).toBeTruthy();
+
+    expect(function()
+    {
+      robot.getPixelColor(9999999999999, 9999999999999);
+    }).toThrowError(/outside the main screen/);
+
+    expect(function()
+    {
+      robot.getPixelColor(-1, -1);
+    }).toThrowError(/outside the main screen/);
+
+    expect(function()
+    {
+      robot.getPixelColor(0);
+    }).toThrowError(/Invalid number/);
+
+    expect(function()
+    {
+      robot.getPixelColor(1, 2, 3);
+    }).toThrowError(/Invalid number/);
+  });
 
-test('Get screen size.', function(t) 
-{
-	t.plan(3);
-	t.ok(screenSize = robot.getScreenSize(), 'successfully got the screen size.');
-	t.ok(screenSize.width !== undefined, 'screenSize.width is a valid value.');
-	t.ok(screenSize.height !== undefined, 'screenSize.height is a valid value.');
+  it('Get screen size.', function()
+  {
+    expect(screenSize = robot.getScreenSize()).toBeTruthy();
+    expect(screenSize.width !== undefined).toBeTruthy();
+    expect(screenSize.height !== undefined).toBeTruthy();
+  });
 });