AAPT2: Disable locale domination for deduping

Locale deduping isn't straightforward, as parenting rules
change between platform versions and the selection
preference of a specific locale variant over the default
configuration lead to incorrect results at runtime.

Bug: 62409213
Test: make aapt2_tests
Change-Id: Iec8f1cfba7ae43c847d163529891fdc15f3db826

1 files changed, 36 insertions, 25 deletions

diff --git a/tools/aapt2/DominatorTree_test.cpp b/tools/aapt2/DominatorTree_test.cpp
index e89c6beb0c57..efc523fcf59b 100644
--- a/tools/aapt2/DominatorTree_test.cpp
+++ b/tools/aapt2/DominatorTree_test.cpp
@@ -69,14 +69,12 @@ class PrettyPrinter : public DominatorTree::Visitor {
 TEST(DominatorTreeTest, DefaultDominatesEverything) {
   const ConfigDescription default_config = {};
   const ConfigDescription land_config = test::ParseConfigOrDie("land");
-  const ConfigDescription sw600dp_land_config =
-      test::ParseConfigOrDie("sw600dp-land-v13");
+  const ConfigDescription sw600dp_land_config = test::ParseConfigOrDie("sw600dp-land-v13");
 
   std::vector<std::unique_ptr<ResourceConfigValue>> configs;
   configs.push_back(util::make_unique<ResourceConfigValue>(default_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(land_config, ""));
-  configs.push_back(
-      util::make_unique<ResourceConfigValue>(sw600dp_land_config, ""));
+  configs.push_back(util::make_unique<ResourceConfigValue>(sw600dp_land_config, ""));
 
   DominatorTree tree(configs);
   PrettyPrinter printer;
@@ -91,16 +89,13 @@ TEST(DominatorTreeTest, DefaultDominatesEverything) {
 TEST(DominatorTreeTest, ProductsAreDominatedSeparately) {
   const ConfigDescription default_config = {};
   const ConfigDescription land_config = test::ParseConfigOrDie("land");
-  const ConfigDescription sw600dp_land_config =
-      test::ParseConfigOrDie("sw600dp-land-v13");
+  const ConfigDescription sw600dp_land_config = test::ParseConfigOrDie("sw600dp-land-v13");
 
   std::vector<std::unique_ptr<ResourceConfigValue>> configs;
   configs.push_back(util::make_unique<ResourceConfigValue>(default_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(land_config, ""));
-  configs.push_back(
-      util::make_unique<ResourceConfigValue>(default_config, "phablet"));
-  configs.push_back(
-      util::make_unique<ResourceConfigValue>(sw600dp_land_config, "phablet"));
+  configs.push_back(util::make_unique<ResourceConfigValue>(default_config, "phablet"));
+  configs.push_back(util::make_unique<ResourceConfigValue>(sw600dp_land_config, "phablet"));
 
   DominatorTree tree(configs);
   PrettyPrinter printer;
@@ -118,16 +113,11 @@ TEST(DominatorTreeTest, MoreSpecificConfigurationsAreDominated) {
   const ConfigDescription en_config = test::ParseConfigOrDie("en");
   const ConfigDescription en_v21_config = test::ParseConfigOrDie("en-v21");
   const ConfigDescription ldrtl_config = test::ParseConfigOrDie("ldrtl-v4");
-  const ConfigDescription ldrtl_xhdpi_config =
-      test::ParseConfigOrDie("ldrtl-xhdpi-v4");
-  const ConfigDescription sw300dp_config =
-      test::ParseConfigOrDie("sw300dp-v13");
-  const ConfigDescription sw540dp_config =
-      test::ParseConfigOrDie("sw540dp-v14");
-  const ConfigDescription sw600dp_config =
-      test::ParseConfigOrDie("sw600dp-v14");
-  const ConfigDescription sw720dp_config =
-      test::ParseConfigOrDie("sw720dp-v13");
+  const ConfigDescription ldrtl_xhdpi_config = test::ParseConfigOrDie("ldrtl-xhdpi-v4");
+  const ConfigDescription sw300dp_config = test::ParseConfigOrDie("sw300dp-v13");
+  const ConfigDescription sw540dp_config = test::ParseConfigOrDie("sw540dp-v14");
+  const ConfigDescription sw600dp_config = test::ParseConfigOrDie("sw600dp-v14");
+  const ConfigDescription sw720dp_config = test::ParseConfigOrDie("sw720dp-v13");
   const ConfigDescription v20_config = test::ParseConfigOrDie("v20");
 
   std::vector<std::unique_ptr<ResourceConfigValue>> configs;
@@ -135,8 +125,7 @@ TEST(DominatorTreeTest, MoreSpecificConfigurationsAreDominated) {
   configs.push_back(util::make_unique<ResourceConfigValue>(en_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(en_v21_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(ldrtl_config, ""));
-  configs.push_back(
-      util::make_unique<ResourceConfigValue>(ldrtl_xhdpi_config, ""));
+  configs.push_back(util::make_unique<ResourceConfigValue>(ldrtl_xhdpi_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(sw300dp_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(sw540dp_config, ""));
   configs.push_back(util::make_unique<ResourceConfigValue>(sw600dp_config, ""));
@@ -148,15 +137,37 @@ TEST(DominatorTreeTest, MoreSpecificConfigurationsAreDominated) {
 
   std::string expected =
       "<default>\n"
-      "  en\n"
-      "    en-v21\n"
       "  ldrtl-v4\n"
       "    ldrtl-xhdpi-v4\n"
       "  sw300dp-v13\n"
       "    sw540dp-v14\n"
       "      sw600dp-v14\n"
       "    sw720dp-v13\n"
-      "  v20\n";
+      "  v20\n"
+      "en\n"
+      "  en-v21\n";
+  EXPECT_EQ(expected, printer.ToString(&tree));
+}
+
+TEST(DominatorTreeTest, LocalesAreNeverDominated) {
+  const ConfigDescription fr_config = test::ParseConfigOrDie("fr");
+  const ConfigDescription fr_rCA_config = test::ParseConfigOrDie("fr-rCA");
+  const ConfigDescription fr_rFR_config = test::ParseConfigOrDie("fr-rFR");
+
+  std::vector<std::unique_ptr<ResourceConfigValue>> configs;
+  configs.push_back(util::make_unique<ResourceConfigValue>(ConfigDescription::DefaultConfig(), ""));
+  configs.push_back(util::make_unique<ResourceConfigValue>(fr_config, ""));
+  configs.push_back(util::make_unique<ResourceConfigValue>(fr_rCA_config, ""));
+  configs.push_back(util::make_unique<ResourceConfigValue>(fr_rFR_config, ""));
+
+  DominatorTree tree(configs);
+  PrettyPrinter printer;
+
+  std::string expected =
+      "<default>\n"
+      "fr\n"
+      "fr-rCA\n"
+      "fr-rFR\n";
   EXPECT_EQ(expected, printer.ToString(&tree));
 }