# Copyright 2019 The Chromium 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("//components/exo/wayland/fuzzer/wayland_templater.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//third_party/libprotobuf-mutator/fuzzable_proto_library.gni")
import("//third_party/protobuf/proto_library.gni")

# This is the canonical list of protocols which the generators should use
# (though they don't have to)
kDefaultWaylandProtocols = [
  "//components/exo/wayland/protocol/aura-shell.xml",
  "//third_party/wayland/src/protocol/wayland.xml",
  "//third_party/wayland-protocols/src/stable/presentation-time/presentation-time.xml",
  "//third_party/wayland-protocols/src/stable/viewporter/viewporter.xml",
  "//third_party/wayland-protocols/src/unstable/fullscreen-shell/fullscreen-shell-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/input-timestamps/input-timestamps-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/linux-explicit-synchronization/linux-explicit-synchronization-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/pointer-gestures/pointer-gestures-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/relative-pointer/relative-pointer-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/text-input/text-input-unstable-v1.xml",
  "//third_party/wayland-protocols/src/unstable/xdg-shell/xdg-shell-unstable-v6.xml",
  "//third_party/wayland-protocols/unstable/alpha-compositing/alpha-compositing-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/cursor-shapes/cursor-shapes-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/gaming-input/gaming-input-unstable-v2.xml",
  "//third_party/wayland-protocols/unstable/keyboard/keyboard-configuration-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/keyboard/keyboard-extension-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/notification-shell/notification-shell-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/remote-shell/remote-shell-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/secure-output/secure-output-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/stylus/stylus-unstable-v2.xml",
  "//third_party/wayland-protocols/unstable/stylus-tools/stylus-tools-unstable-v1.xml",
  "//third_party/wayland-protocols/unstable/vsync-feedback/vsync-feedback-unstable-v1.xml",
]

wayland_templater("protocol_dump") {
  sources = [ "misc/dump.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

wayland_templater("protocol_graph") {
  sources = [ "misc/graph.dot.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

wayland_templater("protocol_docs") {
  sources = [ "misc/docs.md.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

wayland_templater("actions_tmpl") {
  sources = [ "actions.proto.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

wayland_templater("harness_h_tmpl") {
  sources = [ "harness.h.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

wayland_templater("harness_cc_tmpl") {
  sources = [ "harness.cc.tmpl" ]
  protocols = kDefaultWaylandProtocols
}

# We make the seed corpus by enumerating call sequences to all requests
# using the wayland_sequencer script.
wayland_templater("corpus") {
  sources = [ "corpus.tmpl" ]
  protocols = kDefaultWaylandProtocols
  script_override = "wayland_sequencer.py"
}

if (use_libfuzzer) {
  fuzzer_test("wayland_fuzzer") {
    sources = [ "fuzzer.cc" ]

    deps = [
      ":actions",
      ":harness",
      ":server_environment",
      "//base",
      "//third_party/libprotobuf-mutator",
    ]

    libfuzzer_options = [ "len_control=0" ]

    corpus_target_outputs = get_target_outputs(":corpus")
    seed_corpus = corpus_target_outputs[0]
    seed_corpus_deps = [ ":corpus" ]
  }
}

source_set("unit_tests") {
  testonly = true

  sources = [ "harness_unittest.cc" ]

  deps = [
    ":actions",
    ":harness",
    "//base",
    "//components/exo",
    "//components/exo:test_support",
    "//components/exo/wayland",
    "//skia",
    "//third_party/wayland:wayland_util",
  ]
}

source_set("server_environment") {
  testonly = true

  sources = [
    "server_environment.cc",
    "server_environment.h",
  ]

  deps = [
    "//base",
    "//base/test:test_support",
    "//components/exo",
    "//components/exo/wayland:wayland",
    "//components/exo/wayland:wayland_client_test_helper",
    "//mojo/core/embedder",
    "//ui/aura",
    "//ui/base",
    "//ui/gl:test_support",
  ]
}

source_set("harness") {
  sources = get_target_outputs(":harness_h_tmpl") +
            get_target_outputs(":harness_cc_tmpl")

  deps = [
    ":actions",
    ":harness_cc_tmpl",
    ":harness_h_tmpl",
    "//base",
    "//components/exo/wayland/protocol:aura_shell_protocol",
    "//third_party/wayland:wayland_client",
    "//third_party/wayland-protocols:alpha_compositing_protocol",
    "//third_party/wayland-protocols:cursor_shapes_protocol",
    "//third_party/wayland-protocols:fullscreen_shell_protocol",
    "//third_party/wayland-protocols:gaming_input_protocol",
    "//third_party/wayland-protocols:input_timestamps_protocol",
    "//third_party/wayland-protocols:keyboard_configuration_protocol",
    "//third_party/wayland-protocols:keyboard_extension_protocol",
    "//third_party/wayland-protocols:linux_dmabuf_protocol",
    "//third_party/wayland-protocols:linux_explicit_synchronization_protocol",
    "//third_party/wayland-protocols:notification_shell_protocol",
    "//third_party/wayland-protocols:pointer_gestures_protocol",
    "//third_party/wayland-protocols:presentation_time_protocol",
    "//third_party/wayland-protocols:relative_pointer_protocol",
    "//third_party/wayland-protocols:remote_shell_protocol",
    "//third_party/wayland-protocols:secure_output_protocol",
    "//third_party/wayland-protocols:stylus_protocol",
    "//third_party/wayland-protocols:stylus_tools_protocol",
    "//third_party/wayland-protocols:text_input_protocol",
    "//third_party/wayland-protocols:viewporter_protocol",
    "//third_party/wayland-protocols:vsync_feedback_protocol",
    "//third_party/wayland-protocols:xdg_shell_protocol",
  ]
}

fuzzable_proto_library("actions") {
  sources = get_target_outputs(":actions_tmpl")

  # Since the .proto file is under gen/ we need to manually tell the
  # output directory to rebase under the source root.
  proto_out_dir = rebase_path(".", "//")

  deps = [ ":actions_tmpl" ]
}