language: rust
sudo: false

cache: cargo

os:
  - linux
  - osx

rust:
  - 1.37.0
  - stable
  - beta
  - nightly

matrix:
  allow_failures:
    - rust: nightly
  fast_finish: true

before_script:
  # We install a known-to-have-rustfmt version of the nightly toolchain
  # in order to run the nightly version of rustfmt, which supports rules
  # that we depend upon. When updating, pick a suitable nightly version
  # from https://rust-lang.github.io/rustup-components-history/
  - rustup toolchain install nightly-2019-09-11
  - rustup component add rustfmt --toolchain nightly-2019-09-11
  - rustup component add clippy --toolchain nightly-2019-09-11
  # Use official clang in order to test out libfuzzer on osx.
  - if [[ "$TRAVIS_OS_NAME" = "osx" ]]; then
      brew update;
      brew install llvm;
      export PATH="/usr/local/opt/llvm/bin:$PATH";
      export LDFLAGS="-L/usr/local/opt/llvm/lib";
      export CPPFLAGS="-I/usr/local/opt/llvm/include";
    fi

script:
  - cargo +nightly-2019-09-11 fmt --all -- --check
  - CC="clang" cargo +nightly-2019-09-11 clippy --all-features -- -D warnings -A clippy::match-ref-pats -A clippy::needless-lifetimes
  - CC="clang" cargo build --features with-asan --verbose
  - CC="clang" cargo build --features with-fuzzer --verbose
  - CC="clang" cargo build --features with-fuzzer-no-link --verbose
  - CC="clang" cargo build --features with-asan,with-fuzzer --verbose
  - CC="clang" cargo build --features with-asan,with-fuzzer-no-link --verbose
  - cargo build --verbose
  - export RUST_BACKTRACE=1
  - cargo test --all --verbose
  - cargo test --release --all --verbose
  - if [[ $TRAVIS_RUST_VERSION = nightly* ]]; then
      cargo bench --all --verbose;
    fi