[gn] Add unittests

BUG=chromium:474921
NOTRY=true

Committed: https://crrev.com/67e549ec5b34ad02506abb2720c6a0851ae31f5e
Cr-Commit-Position: refs/heads/master@{#36510}

Committed: https://crrev.com/143b3d167d7014525d049d3ab53c73cf2592243c
Cr-Commit-Position: refs/heads/master@{#36582}

Review-Url: https://codereview.chromium.org/2011853002
Cr-Commit-Position: refs/heads/master@{#36606}

BUILD.gn

@@ -69,15 +69,6 @@ declare_args() {
 v8_random_seed = "314159265"
 v8_toolset_for_shell = "host"
 
-if (v8_use_snapshot && v8_use_external_startup_data) {
-  snapshot_target = ":v8_external_snapshot"
-} else if (v8_use_snapshot) {
-  snapshot_target = ":v8_snapshot"
-} else {
-  assert(!v8_use_external_startup_data)
-  snapshot_target = ":v8_nosnapshot"
-}
-
 ###############################################################################
 # Configurations
 #
@@ -643,6 +634,17 @@ action("run_mksnapshot") {
 # Source Sets (aka static libraries)
 #
 
+source_set("v8_maybe_snapshot") {
+  if (v8_use_snapshot && v8_use_external_startup_data) {
+    public_deps = [ ":v8_external_snapshot" ]
+  } else if (v8_use_snapshot) {
+    public_deps = [ ":v8_snapshot" ]
+  } else {
+    assert(!v8_use_external_startup_data)
+    public_deps = [ ":v8_nosnapshot" ]
+  }
+}
+
 v8_source_set("v8_nosnapshot") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
@@ -2004,7 +2006,7 @@ v8_source_set("fuzzer_support") {
   configs = [ ":internal_config_base" ]
 
   deps = [
-    snapshot_target,
+    ":v8_maybe_snapshot",
   ]
 
   public_deps = [
@@ -2046,6 +2048,33 @@ if (current_toolchain == v8_snapshot_toolchain) {
 # Public targets
 #
 
+want_v8_shell = (
+    (current_toolchain == host_toolchain && v8_toolset_for_shell == "host") ||
+    (current_toolchain == v8_snapshot_toolchain &&
+     v8_toolset_for_shell == "host") ||
+    (current_toolchain != host_toolchain && v8_toolset_for_shell == "target"))
+
+group("gn_all") {
+  testonly = true
+
+  deps = [
+    ":d8",
+  ]
+
+  if (want_v8_shell) {
+    deps += [
+      ":v8_shell",
+    ]
+  }
+
+  if (host_os != "mac" || !is_android) {
+    # These items don't compile for Android on Mac.
+    deps += [
+      "test/unittests:unittests",
+    ]
+  }
+}
+
 if (is_component_build) {
   component("v8") {
     sources = [
@@ -2054,7 +2083,7 @@ if (is_component_build) {
 
     public_deps = [
       ":v8_base",
-      snapshot_target,
+      ":v8_maybe_snapshot",
     ]
 
     configs -= [ "//build/config/compiler:chromium_code" ]
@@ -2071,7 +2100,7 @@ if (is_component_build) {
   group("v8") {
     public_deps = [
       ":v8_base",
-      snapshot_target,
+      ":v8_maybe_snapshot",
     ]
     public_configs = [ ":external_config" ]
   }
@@ -2118,10 +2147,7 @@ executable("d8") {
   }
 }
 
-if ((current_toolchain == host_toolchain && v8_toolset_for_shell == "host") ||
-    (current_toolchain == v8_snapshot_toolchain &&
-     v8_toolset_for_shell == "host") ||
-    (current_toolchain != host_toolchain && v8_toolset_for_shell == "target")) {
+if (want_v8_shell) {
   executable("v8_shell") {
     sources = [
       "samples/shell.cc",

build_overrides/gtest.gni

+# Copyright 2016 The V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Exclude support for registering main function in multi-process tests.
+gtest_include_multiprocess = false
+
+# Exclude support for platform-specific operations across unit tests.
+gtest_include_platform_test = true
+
+# Exclude support for testing Objective C code on OS X and iOS.
+gtest_include_objc_support = true
+
+# Exclude support for flushing coverage files on iOS.
+gtest_include_ios_coverage = true

test/unittests/BUILD.gn

+# Copyright 2016 The V8 project 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("../../gni/v8.gni")
+
+executable("unittests") {
+  testonly = true
+
+  sources = [
+    "base/atomic-utils-unittest.cc",
+    "base/bits-unittest.cc",
+    "base/cpu-unittest.cc",
+    "base/division-by-constant-unittest.cc",
+    "base/flags-unittest.cc",
+    "base/functional-unittest.cc",
+    "base/iterator-unittest.cc",
+    "base/logging-unittest.cc",
+    "base/platform/condition-variable-unittest.cc",
+    "base/platform/mutex-unittest.cc",
+    "base/platform/platform-unittest.cc",
+    "base/platform/semaphore-unittest.cc",
+    "base/platform/time-unittest.cc",
+    "base/sys-info-unittest.cc",
+    "base/utils/random-number-generator-unittest.cc",
+    "cancelable-tasks-unittest.cc",
+    "char-predicates-unittest.cc",
+    "compiler/branch-elimination-unittest.cc",
+    "compiler/coalesced-live-ranges-unittest.cc",
+    "compiler/common-operator-reducer-unittest.cc",
+    "compiler/common-operator-unittest.cc",
+    "compiler/compiler-test-utils.h",
+    "compiler/control-equivalence-unittest.cc",
+    "compiler/control-flow-optimizer-unittest.cc",
+    "compiler/dead-code-elimination-unittest.cc",
+    "compiler/diamond-unittest.cc",
+    "compiler/effect-control-linearizer-unittest.cc",
+    "compiler/escape-analysis-unittest.cc",
+    "compiler/graph-reducer-unittest.cc",
+    "compiler/graph-reducer-unittest.h",
+    "compiler/graph-trimmer-unittest.cc",
+    "compiler/graph-unittest.cc",
+    "compiler/graph-unittest.h",
+    "compiler/instruction-selector-unittest.cc",
+    "compiler/instruction-selector-unittest.h",
+    "compiler/instruction-sequence-unittest.cc",
+    "compiler/instruction-sequence-unittest.h",
+    "compiler/int64-lowering-unittest.cc",
+    "compiler/js-builtin-reducer-unittest.cc",
+    "compiler/js-create-lowering-unittest.cc",
+    "compiler/js-intrinsic-lowering-unittest.cc",
+    "compiler/js-operator-unittest.cc",
+    "compiler/js-typed-lowering-unittest.cc",
+    "compiler/linkage-tail-call-unittest.cc",
+    "compiler/live-range-unittest.cc",
+    "compiler/liveness-analyzer-unittest.cc",
+    "compiler/load-elimination-unittest.cc",
+    "compiler/loop-peeling-unittest.cc",
+    "compiler/machine-operator-reducer-unittest.cc",
+    "compiler/machine-operator-unittest.cc",
+    "compiler/move-optimizer-unittest.cc",
+    "compiler/node-cache-unittest.cc",
+    "compiler/node-matchers-unittest.cc",
+    "compiler/node-properties-unittest.cc",
+    "compiler/node-test-utils.cc",
+    "compiler/node-test-utils.h",
+    "compiler/node-unittest.cc",
+    "compiler/opcodes-unittest.cc",
+    "compiler/register-allocator-unittest.cc",
+    "compiler/schedule-unittest.cc",
+    "compiler/scheduler-rpo-unittest.cc",
+    "compiler/scheduler-unittest.cc",
+    "compiler/simplified-operator-reducer-unittest.cc",
+    "compiler/simplified-operator-unittest.cc",
+    "compiler/state-values-utils-unittest.cc",
+    "compiler/tail-call-optimization-unittest.cc",
+    "compiler/typer-unittest.cc",
+    "compiler/value-numbering-reducer-unittest.cc",
+    "compiler/zone-pool-unittest.cc",
+    "counters-unittest.cc",
+    "heap/bitmap-unittest.cc",
+    "heap/gc-idle-time-handler-unittest.cc",
+    "heap/gc-tracer-unittest.cc",
+    "heap/heap-unittest.cc",
+    "heap/memory-reducer-unittest.cc",
+    "heap/scavenge-job-unittest.cc",
+    "heap/slot-set-unittest.cc",
+    "interpreter/bytecode-array-builder-unittest.cc",
+    "interpreter/bytecode-array-iterator-unittest.cc",
+    "interpreter/bytecode-array-writer-unittest.cc",
+    "interpreter/bytecode-peephole-optimizer-unittest.cc",
+    "interpreter/bytecode-pipeline-unittest.cc",
+    "interpreter/bytecode-register-allocator-unittest.cc",
+    "interpreter/bytecodes-unittest.cc",
+    "interpreter/constant-array-builder-unittest.cc",
+    "interpreter/interpreter-assembler-unittest.cc",
+    "interpreter/interpreter-assembler-unittest.h",
+    "interpreter/source-position-table-unittest.cc",
+    "libplatform/default-platform-unittest.cc",
+    "libplatform/task-queue-unittest.cc",
+    "libplatform/worker-thread-unittest.cc",
+    "locked-queue-unittest.cc",
+    "run-all-unittests.cc",
+    "test-utils.cc",
+    "test-utils.h",
+    "wasm/ast-decoder-unittest.cc",
+    "wasm/decoder-unittest.cc",
+    "wasm/encoder-unittest.cc",
+    "wasm/leb-helper-unittest.cc",
+    "wasm/loop-assignment-analysis-unittest.cc",
+    "wasm/module-decoder-unittest.cc",
+    "wasm/switch-logic-unittest.cc",
+    "wasm/wasm-macro-gen-unittest.cc",
+  ]
+
+  if (v8_target_arch == "arm") {
+    sources += [ "compiler/arm/instruction-selector-arm-unittest.cc" ]
+  } else if (v8_target_arch == "arm64") {
+    sources += [ "compiler/arm64/instruction-selector-arm64-unittest.cc" ]
+  } else if (v8_target_arch == "ia32") {
+    sources += [ "compiler/ia32/instruction-selector-ia32-unittest.cc" ]
+  } else if (v8_target_arch == "mips" || v8_target_arch == "mipsel") {
+    sources += [ "compiler/mips/instruction-selector-mips-unittest.cc" ]
+  } else if (v8_target_arch == "mips64" || v8_target_arch == "mips64el") {
+    sources += [ "compiler/mips64/instruction-selector-mips64-unittest.cc" ]
+  } else if (v8_target_arch == "x64") {
+    sources += [ "compiler/x64/instruction-selector-x64-unittest.cc" ]
+  } else if (v8_target_arch == "ppc" || v8_target_arch == "ppc64") {
+    sources += [ "compiler/ppc/instruction-selector-ppc-unittest.cc" ]
+  } else if (v8_target_arch == "s390" || v8_target_arch == "s390x") {
+    sources += [ "compiler/s390/instruction-selector-s390-unittest.cc" ]
+  }
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+  configs += [
+    "../..:internal_config_base",
+    "../..:features",
+    "../..:toolchain",
+  ]
+
+  # TODO(machenbach): Translate from gyp.
+  #['OS=="aix"', {
+  #  'ldflags': [ '-Wl,-bbigtoc' ],
+  #}],
+
+  deps = [
+    "../..:v8_libplatform",
+    "//build/config/sanitizers:deps",
+    "//build/win:default_exe_manifest",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+
+  if (is_component_build) {
+    # compiler-unittests can't be built against a shared library, so we
+    # need to depend on the underlying static target in that case.
+    deps += [ "../..:v8_maybe_snapshot" ]
+  } else {
+    deps += [ "../..:v8" ]
+  }
+}