| language: node_js | 
 | os: | 
 |  - linux | 
 | node_js: | 
 |   - "10.0" | 
 |   - "9.11" | 
 |   - "8.11" | 
 |   - "7.10" | 
 |   - "6.14" | 
 |   - "5.12" | 
 |   - "4.9" | 
 |   - "iojs-v3.3" | 
 |   - "iojs-v2.5" | 
 |   - "iojs-v1.8" | 
 |   - "0.12" | 
 |   - "0.10" | 
 |   - "0.8" | 
 |   - "0.6" | 
 | before_install: | 
 |   - 'case "${TRAVIS_NODE_VERSION}" in 0.*) export NPM_CONFIG_STRICT_SSL=false ;; esac' | 
 |   - 'nvm install-latest-npm' | 
 | install: | 
 |   - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.9" ]; then nvm install --latest-npm 0.8 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;' | 
 | script: | 
 |   - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi' | 
 |   - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi' | 
 |   - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi' | 
 |   - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi' | 
 |   - 'if [ -n "${BIGINT-}" ]; then npm run test:bigint ; fi' | 
 | sudo: false | 
 | env: | 
 |   - TEST=true | 
 | matrix: | 
 |   fast_finish: true | 
 |   include: | 
 |     - node_js: "10.0" | 
 |       env: BIGINT=true | 
 |     - node_js: "node" | 
 |       env: COVERAGE=true | 
 |     - node_js: "9.10" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "9.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.10" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "8.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "7.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.13" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.12" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.11" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.10" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "6.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.11" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.10" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "5.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.8" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "4.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v3.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v3.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v3.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v2.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v2.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v2.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v2.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v2.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.7" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.5" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.3" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.2" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.1" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "iojs-v1.0" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "0.11" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "0.9" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "0.6" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |     - node_js: "0.4" | 
 |       env: TEST=true ALLOW_FAILURE=true | 
 |   allow_failures: | 
 |     - os: osx | 
 |     - env: TEST=true ALLOW_FAILURE=true |