diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 25ce4ac..12b41fd 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -47,6 +47,7 @@
         "LayerMetadataTest.cpp",
         "SchedulerTest.cpp",
         "SchedulerUtilsTest.cpp",
+        "RefreshRateConfigsTest.cpp",
         "RefreshRateStatsTest.cpp",
         "TimeStatsTest.cpp",
         "mock/DisplayHardware/MockComposer.cpp",
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
new file mode 100644
index 0000000..b218ad6
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -0,0 +1,164 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#undef LOG_TAG
+#define LOG_TAG "SchedulerUnittests"
+
+#include <gmock/gmock.h>
+#include <log/log.h>
+#include <thread>
+
+#include "DisplayHardware/HWC2.h"
+#include "Scheduler/RefreshRateConfigs.h"
+#include "mock/DisplayHardware/MockDisplay.h"
+
+using namespace std::chrono_literals;
+using testing::_;
+
+namespace android {
+namespace scheduler {
+
+using RefreshRateType = RefreshRateConfigs::RefreshRateType;
+using RefreshRate = RefreshRateConfigs::RefreshRate;
+
+class RefreshRateConfigsTest : public testing::Test {
+protected:
+    static constexpr int CONFIG_ID_60 = 0;
+    static constexpr int CONFIG_ID_90 = 1;
+    static constexpr int64_t VSYNC_60 = 16666667;
+    static constexpr int64_t VSYNC_90 = 11111111;
+
+    RefreshRateConfigsTest();
+    ~RefreshRateConfigsTest();
+
+    void assertRatesEqual(const RefreshRate& left, const RefreshRate& right) {
+        ASSERT_EQ(left.configId, right.configId);
+        ASSERT_EQ(left.name, right.name);
+        ASSERT_EQ(left.fps, right.fps);
+    }
+};
+
+RefreshRateConfigsTest::RefreshRateConfigsTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+RefreshRateConfigsTest::~RefreshRateConfigsTest() {
+    const ::testing::TestInfo* const test_info =
+            ::testing::UnitTest::GetInstance()->current_test_info();
+    ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());
+}
+
+namespace {
+/* ------------------------------------------------------------------------
+ * Test cases
+ */
+TEST_F(RefreshRateConfigsTest, zeroDeviceConfigs_storesPowerSavingConfig) {
+    std::vector<std::shared_ptr<const HWC2::Display::Config>> displayConfigs;
+    RefreshRateConfigs configs(displayConfigs);
+
+    // We always store a configuration for screen off.
+    const auto& rates = configs.getRefreshRates();
+    ASSERT_EQ(1, rates.size());
+    const auto& powerSavingRate = rates.find(RefreshRateType::POWER_SAVING);
+    ASSERT_NE(rates.end(), powerSavingRate);
+    ASSERT_EQ(rates.end(), rates.find(RefreshRateType::PERFORMANCE));
+    ASSERT_EQ(rates.end(), rates.find(RefreshRateType::DEFAULT));
+
+    RefreshRate expectedConfig = RefreshRate{SCREEN_OFF_CONFIG_ID, "ScreenOff", 0};
+    assertRatesEqual(expectedConfig, *powerSavingRate->second);
+
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    assertRatesEqual(expectedConfig, *configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    ASSERT_FALSE(configs.getRefreshRate(RefreshRateType::PERFORMANCE));
+    ASSERT_FALSE(configs.getRefreshRate(RefreshRateType::DEFAULT));
+
+    // Sanity check that getRefreshRate() does not modify the underlying configs.
+    ASSERT_EQ(1, configs.getRefreshRates().size());
+}
+
+TEST_F(RefreshRateConfigsTest, oneDeviceConfig_storesDefaultConfig) {
+    auto display = new Hwc2::mock::Display();
+    std::vector<std::shared_ptr<const HWC2::Display::Config>> displayConfigs;
+    auto config60 = HWC2::Display::Config::Builder(*display, CONFIG_ID_60);
+    config60.setVsyncPeriod(VSYNC_60);
+    displayConfigs.push_back(config60.build());
+    RefreshRateConfigs configs(displayConfigs);
+
+    const auto& rates = configs.getRefreshRates();
+    ASSERT_EQ(2, rates.size());
+    const auto& powerSavingRate = rates.find(RefreshRateType::POWER_SAVING);
+    const auto& defaultRate = rates.find(RefreshRateType::DEFAULT);
+    ASSERT_NE(rates.end(), powerSavingRate);
+    ASSERT_NE(rates.end(), defaultRate);
+    ASSERT_EQ(rates.end(), rates.find(RefreshRateType::PERFORMANCE));
+
+    RefreshRate expectedPowerSavingConfig = RefreshRate{SCREEN_OFF_CONFIG_ID, "ScreenOff", 0};
+    assertRatesEqual(expectedPowerSavingConfig, *powerSavingRate->second);
+    RefreshRate expectedDefaultConfig = RefreshRate{CONFIG_ID_60, "60fps", 60};
+    assertRatesEqual(expectedDefaultConfig, *defaultRate->second);
+
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    assertRatesEqual(expectedPowerSavingConfig,
+                     *configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::DEFAULT));
+    assertRatesEqual(expectedDefaultConfig, *configs.getRefreshRate(RefreshRateType::DEFAULT));
+    ASSERT_FALSE(configs.getRefreshRate(RefreshRateType::PERFORMANCE));
+
+    // Sanity check that getRefreshRate() does not modify the underlying configs.
+    ASSERT_EQ(2, configs.getRefreshRates().size());
+}
+
+TEST_F(RefreshRateConfigsTest, twoDeviceConfigs_storesPerformanceConfig) {
+    auto display = new Hwc2::mock::Display();
+    std::vector<std::shared_ptr<const HWC2::Display::Config>> displayConfigs;
+    auto config60 = HWC2::Display::Config::Builder(*display, CONFIG_ID_60);
+    config60.setVsyncPeriod(VSYNC_60);
+    displayConfigs.push_back(config60.build());
+    auto config90 = HWC2::Display::Config::Builder(*display, CONFIG_ID_90);
+    config90.setVsyncPeriod(VSYNC_90);
+    displayConfigs.push_back(config90.build());
+    RefreshRateConfigs configs(displayConfigs);
+
+    const auto& rates = configs.getRefreshRates();
+    ASSERT_EQ(3, rates.size());
+    const auto& powerSavingRate = rates.find(RefreshRateType::POWER_SAVING);
+    const auto& defaultRate = rates.find(RefreshRateType::DEFAULT);
+    const auto& performanceRate = rates.find(RefreshRateType::PERFORMANCE);
+    ASSERT_NE(rates.end(), powerSavingRate);
+    ASSERT_NE(rates.end(), defaultRate);
+    ASSERT_NE(rates.end(), performanceRate);
+
+    RefreshRate expectedPowerSavingConfig = RefreshRate{SCREEN_OFF_CONFIG_ID, "ScreenOff", 0};
+    assertRatesEqual(expectedPowerSavingConfig, *powerSavingRate->second);
+    RefreshRate expectedDefaultConfig = RefreshRate{CONFIG_ID_60, "60fps", 60};
+    assertRatesEqual(expectedDefaultConfig, *defaultRate->second);
+    RefreshRate expectedPerformanceConfig = RefreshRate{CONFIG_ID_90, "90fps", 90};
+    assertRatesEqual(expectedPerformanceConfig, *performanceRate->second);
+
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    assertRatesEqual(expectedPowerSavingConfig,
+                     *configs.getRefreshRate(RefreshRateType::POWER_SAVING));
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::DEFAULT));
+    assertRatesEqual(expectedDefaultConfig, *configs.getRefreshRate(RefreshRateType::DEFAULT));
+    ASSERT_TRUE(configs.getRefreshRate(RefreshRateType::PERFORMANCE));
+    assertRatesEqual(expectedPerformanceConfig,
+                     *configs.getRefreshRate(RefreshRateType::PERFORMANCE));
+}
+} // namespace
+} // namespace scheduler
+} // namespace android