Use clang 3.8 during travis build

Author: arcanis

.travis.yml

@@ -1,4 +1,4 @@
-sudo: false
+sudo: required
 
 git:
   depth: 10
@@ -7,12 +7,22 @@ language: node_js
 
 node_js: 6
 
-env:
-  - CC=clang CXX=clang++ npm_config_clang=1
-
-script: npm test
+script: npm run test:noasmjs
 
 notifications:
   email:
     on_success: never
     on_failure: change
+
+env:
+  - CXX=clang++-3.8
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+      - llvm-toolchain-precise-3.8
+    packages:
+      - gcc-5
+      - g++-5
+      - clang-3.8

package.json

@@ -15,15 +15,17 @@
     "build:browser": "npm run node-gyp configure build --asmjs=1",
     "test": "npm run build:all && npm run test:nobuild",
     "test:nobuild": "mocha --full-trace test/**/*.test.js",
+    "test:noasmjs": "npm run build:native && TEST_ASMJS=0 mocha --full-trace test/**/*.test.js",
     "install": "npm run autogypi && npm run build:native && npm run install-browser",
-    "install-browser": "test -e build/Release/nbind.js || which em++ 2>&1 > /dev/null && npm run build:browser",
-    "prepublish": "npm run build:browser"
+    "install-browser": "test -e build/Release/nbind.js || ! command -v emsdk 2>&1 > /dev/null || npm run build:browser",
+    "prepublish": "[ \"$CI\" = true ] || npm run build:browser"
   },
   "author": "",
   "license": "MIT",
   "devDependencies": {
     "mocha": "^3.1.2",
-    "random-seed": "^0.3.0"
+    "random-seed": "^0.3.0",
+    "segfault-handler": "^1.0.0"
   },
   "dependencies": {
     "autogypi": "^0.2.2",

test/buffer-index.test.js

@@ -1,24 +1,28 @@
 require('segfault-handler').registerHandler()
 
 const assert = require('assert')
-const NativeBufferOffsetIndex = require('../src/entry-node');
-const AsmjsBufferOffsetIndex = require('../src/entry-browser');
 const ReferenceBufferOffsetIndex = require('./reference-buffer-offset-index');
 
 const randomSeed = require('random-seed');
 const seed = 42; //randomSeed.create()(Number.MAX_SAFE_INTEGER);
 
-[ {
+let passes = [];
+
+passes.push({
 
     name: 'native',
-    Implementation: NativeBufferOffsetIndex
+    Implementation: require('../src/entry-node')
+
+});
 
-}, {
+if (!process.env.TEST_ASMJS || process.env.TEST_ASMJS !== '0') passes.push({
 
     name: 'asmjs',
-    Implementation: AsmjsBufferOffsetIndex
+    Implementation: require('../src/entry-browser')
+
+});
 
-} ].forEach(({ name, Implementation }) => {
+passes.forEach(({ name, Implementation }) => {
 
     describe('BufferOffsetIndex (' + name + ')', () => {