#!/bin/sh -ex

set -e

# TODO: Add "alloc" once we bump MSRV to past 1.29
FEATURES="bitcoin_hashes global-context lowmemory rand recovery serde std"
# These features are typically enabled along with the 'std' feature, so we test
# them together with 'std'.
STD_FEATURES="rand-std bitcoin-hashes-std"

# Use toolchain if explicitly specified
if [ -n "$TOOLCHAIN" ]
then
    alias cargo="cargo +$TOOLCHAIN"
fi

cargo --version
rustc --version

# Work out if we are using a nightly toolchain.
NIGHTLY=false
if cargo --version | grep nightly; then
    NIGHTLY=true
fi

# Test if panic in C code aborts the process (either with a real panic or with SIGILL)
cargo test -- --ignored --exact 'tests::test_panic_raw_ctx_should_terminate_abnormally' 2>&1 | tee /dev/stderr | grep "SIGILL\\|panicked at '\[libsecp256k1\]"

# Make all cargo invocations verbose
export CARGO_TERM_VERBOSE=true

# Defaults / sanity checks
cargo build --all
cargo test --all

if [ "$DO_FEATURE_MATRIX" = true ]; then
    cargo build --all --no-default-features
    cargo test --all --no-default-features

    # All features
    cargo build --all --no-default-features --features="$FEATURES"
    cargo test --all --no-default-features --features="$FEATURES"
    # Single features
    for feature in ${FEATURES}
    do
        cargo build --all --no-default-features --features="$feature"
        cargo test --all --no-default-features --features="$feature"
    done
    # Features tested with 'std' feature enabled.
    for feature in ${FEATURES}
    do
        cargo build --all --no-default-features --features="std,$feature"
        cargo test --all --no-default-features --features="std,$feature"
    done
    # Other combos 
    RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS=$RUSTFLAGS cargo test --all
    RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS=$RUSTFLAGS cargo test --all --features="$FEATURES"
    cargo test --all --features="rand serde"

    if [ "$NIGHTLY" = true ]; then
        cargo test --all --all-features
        RUSTFLAGS='--cfg=fuzzing' RUSTDOCFLAGS='--cfg=fuzzing' cargo test --all --all-features
    fi

    # Examples
    cargo run --example sign_verify --features=std
    cargo run --example sign_verify_recovery --features=std,recovery
    cargo run --example generate_keys --features=std,rand-std
fi

# Build the docs if told to (this only works with the nightly toolchain)
if [ "$DO_DOCS" = true ]; then
    RUSTDOCFLAGS="--cfg docsrs" cargo doc --all --features="$FEATURES"
fi

# Webassembly stuff
if [ "$DO_WASM" = true ]; then
    clang-9 --version
    CARGO_TARGET_DIR=wasm cargo install --force wasm-pack
    printf '\n[lib]\ncrate-type = ["cdylib", "rlib"]\n' >> Cargo.toml
    CC=clang-9 wasm-pack build
    CC=clang-9 wasm-pack test --node
fi

# Address Sanitizer
if [ "$DO_ASAN" = true ]; then
    clang --version
    cargo clean
    CC='clang -fsanitize=address -fno-omit-frame-pointer'                                        \
    RUSTFLAGS='-Zsanitizer=address -Clinker=clang -Cforce-frame-pointers=yes'                    \
    ASAN_OPTIONS='detect_leaks=1 detect_invalid_pointer_pairs=1 detect_stack_use_after_return=1' \
    cargo test --lib --all --features="$FEATURES" -Zbuild-std --target x86_64-unknown-linux-gnu
    cargo clean
    CC='clang -fsanitize=memory -fno-omit-frame-pointer'                                         \
    RUSTFLAGS='-Zsanitizer=memory -Zsanitizer-memory-track-origins -Cforce-frame-pointers=yes'   \
    cargo test --lib --all --features="$FEATURES" -Zbuild-std --target x86_64-unknown-linux-gnu
    cargo run --release --manifest-path=./no_std_test/Cargo.toml | grep -q "Verified Successfully"
    cargo run --release --features=alloc --manifest-path=./no_std_test/Cargo.toml | grep -q "Verified alloc Successfully"
fi


# Bench if told to, only works with non-stable toolchain (nightly, beta).
if [ "$DO_BENCH" = true ]
then
    RUSTFLAGS='--cfg=bench' cargo bench --features=recovery
fi

exit 0