# Copyright 2019 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/fuzzing/fuzzer.gni")

group("fuzzer") {
  testonly = true
  deps = [ ":tests" ]
}

group("tests") {
  testonly = true
  deps = [ ":fuzzing-examples" ]
}

fuzzers_package("fuzzing-examples") {
  # Packages can have non-default names.
  package_name = "example-fuzzers"

  # Variables set in the outer scope apply to all fuzzers.
  fuzz_host = true

  # `fuzzers` (without a language prefix) are folded into `cpp_fuzzers` below.
  fuzzers = [ ":corpus_fuzzer" ]

  # Fuzzers are defined for each supported language
  cpp_fuzzers = [
    # Each list of fuzzers can contain simple labels...
    ":overflow_fuzzer",
    ":trap_fuzzer",
    ":baz_fuzzer",
    ":fuzzed_data_provider_fuzzer",
    {
      # ... or scopes with additional fields, like a non-default output name.
      label = ":oom_fuzzer"
      output_name = "out_of_memory_fuzzer"
    },
    {
      # Variables set here override those in the outer scope.
      label = "//garnet/examples/fidl/echo_server_cpp/fuzzer:echo-fuzzer"
      fuzz_host = false
    },
  ]

  # A fuzzers package can have fuzzers for multiple languages.
  rust_fuzzers = [
    "rust:toy_example_arbitrary",
    "rust:toy_example_raw_bytes",
    "rust:toy_example_with_main",
  ]

  # TODO(44551): Building Go fuzzers exhibits linker errors on macOS. Unlink from build until fixed.
  if (host_os != "mac") {
    go_fuzzers = [ "go:basic_fuzzer" ]
  }
}

fuzzer("oom_fuzzer") {
  output_name = "out_of_memory_fuzzer"
  sources = [ "oom.cc" ]
}

fuzzer("overflow_fuzzer") {
  sources = [ "overflow.cc" ]
}

fuzzer("trap_fuzzer") {
  sources = [ "trap.cc" ]
}

fuzzer("fuzzed_data_provider_fuzzer") {
  sources = [ "fuzzed-data-provider.cc" ]
}

fuzzer("corpus_fuzzer") {
  sources = [ "corpus.cc" ]
}

fuzzer("baz_fuzzer") {
  sources = [ "target.cc" ]
  deps = [ ":baz" ]
}

source_set("baz") {
  sources = [ "baz.cc" ]
  deps = [ "//src/lib/fxl" ]
}