Merge changes from topic "nscobie-hwui_unit_tests"

* changes:
  Tweak GraphicsStats#findRootPath to accept various valid locations
  Enable hwui_unit_tests in presubmit for libs/hwui
  Fix GraphicsStats#findRootPath and disable CacheManager#trimMemory tests
  Change hwui_unit_tests (and benchmarks) to push to non-root writable dir

libs/hwui/Android.bp

@@ -634,7 +634,7 @@ cc_library_static {
 cc_defaults {
     name: "hwui_test_defaults",
     defaults: ["hwui_defaults"],
-    test_suites: ["device-tests"],
+    test_suites: ["general-tests"],
     header_libs: ["libandroid_headers_private"],
     target: {
         android: {

libs/hwui/AndroidTest.xml

@@ -16,22 +16,22 @@
 <configuration description="Config for hwuimicro">
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
         <option name="cleanup" value="true" />
-        <option name="push" value="hwui_unit_tests->/data/nativetest/hwui_unit_tests" />
-        <option name="push" value="hwuimicro->/data/benchmarktest/hwuimicro" />
-        <option name="push" value="hwuimacro->/data/benchmarktest/hwuimacro" />
+        <option name="push" value="hwui_unit_tests->/data/local/tmp/nativetest/hwui_unit_tests" />
+        <option name="push" value="hwuimicro->/data/local/tmp/benchmarktest/hwuimicro" />
+        <option name="push" value="hwuimacro->/data/local/tmp/benchmarktest/hwuimacro" />
     </target_preparer>
     <option name="test-suite-tag" value="apct" />
     <test class="com.android.tradefed.testtype.GTest" >
-        <option name="native-test-device-path" value="/data/nativetest" />
+        <option name="native-test-device-path" value="/data/local/tmp/nativetest" />
         <option name="module-name" value="hwui_unit_tests" />
     </test>
     <test class="com.android.tradefed.testtype.GoogleBenchmarkTest" >
-        <option name="native-benchmark-device-path" value="/data/benchmarktest" />
+        <option name="native-benchmark-device-path" value="/data/local/tmp/benchmarktest" />
         <option name="benchmark-module-name" value="hwuimicro" />
         <option name="file-exclusion-filter-regex" value=".*\.config$" />
     </test>
     <test class="com.android.tradefed.testtype.GoogleBenchmarkTest" >
-        <option name="native-benchmark-device-path" value="/data/benchmarktest" />
+        <option name="native-benchmark-device-path" value="/data/local/tmp/benchmarktest" />
         <option name="benchmark-module-name" value="hwuimacro" />
         <option name="file-exclusion-filter-regex" value=".*\.config$" />
     </test>

libs/hwui/TEST_MAPPING

@@ -5,6 +5,9 @@
     },
     {
       "name": "CtsAccelerationTestCases"
+    },
+    {
+      "name": "hwui_unit_tests"
     }
   ],
   "imports": [

libs/hwui/tests/unit/CacheManagerTests.cpp

@@ -32,7 +32,8 @@ static size_t getCacheUsage(GrDirectContext* grContext) {
     return cacheUsage;
 }
 
-RENDERTHREAD_SKIA_PIPELINE_TEST(CacheManager, trimMemory) {
+// TOOD(258700630): fix this test and re-enable
+RENDERTHREAD_SKIA_PIPELINE_TEST(CacheManager, DISABLED_trimMemory) {
     int32_t width = DeviceInfo::get()->getWidth();
     int32_t height = DeviceInfo::get()->getHeight();
     GrDirectContext* grContext = renderThread.getGrContext();

libs/hwui/tests/unit/GraphicsStatsServiceTests.cpp

@@ -14,17 +14,18 @@
  * limitations under the License.
  */
 
+#include <android-base/macros.h>
+#include <gmock/gmock.h>
 #include <gtest/gtest.h>
-
-#include "protos/graphicsstats.pb.h"
-#include "service/GraphicsStatsService.h"
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
+#include "protos/graphicsstats.pb.h"
+#include "service/GraphicsStatsService.h"
+
 using namespace android;
 using namespace android::uirenderer;
 
@@ -49,12 +50,14 @@ std::string findRootPath() {
 
 // No code left untested
 TEST(GraphicsStats, findRootPath) {
-#ifdef __LP64__
-    std::string expected = "/data/nativetest64/hwui_unit_tests";
-#else
-    std::string expected = "/data/nativetest/hwui_unit_tests";
-#endif
-    EXPECT_EQ(expected, findRootPath());
+    // Different tools/infrastructure seem to push this to different locations. It shouldn't really
+    // matter where the binary is, so add new locations here as needed. This test still seems good
+    // as it's nice to understand the possibility space, and ensure findRootPath continues working
+    // as expected.
+    std::string acceptableLocations[] = {"/data/nativetest/hwui_unit_tests",
+                                         "/data/nativetest64/hwui_unit_tests",
+                                         "/data/local/tmp/nativetest/hwui_unit_tests/" ABI_STRING};
+    EXPECT_THAT(acceptableLocations, ::testing::Contains(findRootPath()));
 }
 
 TEST(GraphicsStats, saveLoad) {