diff --git a/core/binary.mk b/core/binary.mk
index 028950a..3b938fc 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -500,7 +500,7 @@
 else
 ifneq (,$(LOCAL_SDK_VERSION))
 # Set target-api for LOCAL_SDK_VERSIONs other than current.
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 renderscript_target_api := $(LOCAL_SDK_VERSION)
 endif
 endif  # LOCAL_SDK_VERSION is set
diff --git a/core/config.mk b/core/config.mk
index e1131f8..bd69aa1 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -62,6 +62,7 @@
 SRC_TARGET_DIR := $(TOPDIR)build/target
 SRC_API_DIR := $(TOPDIR)prebuilts/sdk/api
 SRC_SYSTEM_API_DIR := $(TOPDIR)prebuilts/sdk/system-api
+SRC_TEST_API_DIR := $(TOPDIR)prebuilts/sdk/test-api
 
 # Some specific paths to tools
 SRC_DROIDDOC_DIR := $(TOPDIR)build/tools/droiddoc
@@ -720,13 +721,15 @@
     $(patsubst $(HISTORICAL_SDK_VERSIONS_ROOT)/%/android.jar,%, \
     $(wildcard $(HISTORICAL_SDK_VERSIONS_ROOT)/*/android.jar)))
 
-# We don't have prebuilt system_current SDK yet.
-TARGET_AVAILABLE_SDK_VERSIONS := $(TARGET_AVAILABLE_SDK_VERSIONS)
+# We don't have prebuilt test_current SDK yet.
+TARGET_AVAILABLE_SDK_VERSIONS := test_current $(TARGET_AVAILABLE_SDK_VERSIONS)
 
 INTERNAL_PLATFORM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/public_api.txt
 INTERNAL_PLATFORM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/removed.txt
 INTERNAL_PLATFORM_SYSTEM_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-api.txt
 INTERNAL_PLATFORM_SYSTEM_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/system-removed.txt
+INTERNAL_PLATFORM_TEST_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/test-api.txt
+INTERNAL_PLATFORM_TEST_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/test-removed.txt
 
 # This is the standard way to name a directory containing prebuilt target
 # objects. E.g., prebuilt/$(TARGET_PREBUILT_TAG)/libc.so
diff --git a/core/dpi_specific_apk.mk b/core/dpi_specific_apk.mk
index 5d0b5bf..8d90192 100644
--- a/core/dpi_specific_apk.mk
+++ b/core/dpi_specific_apk.mk
@@ -16,7 +16,7 @@
 $(built_dpi_apk): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
 $(built_dpi_apk): PRIVATE_ASSET_DIR := $(LOCAL_ASSET_DIR)
 $(built_dpi_apk): PRIVATE_AAPT_INCLUDES := $(all_library_res_package_exports)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 $(built_dpi_apk): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
 $(built_dpi_apk): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
diff --git a/core/droiddoc.mk b/core/droiddoc.mk
index dd687b4..5c43a68 100644
--- a/core/droiddoc.mk
+++ b/core/droiddoc.mk
@@ -68,6 +68,9 @@
   else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
     LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_system_stubs_current)
+  else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+    LOCAL_JAVA_LIBRARIES := android_test_stubs_current $(LOCAL_JAVA_LIBRARIES)
+    $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_test_stubs_current)
   else
     LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, sdk_v$(LOCAL_SDK_VERSION))
diff --git a/core/java.mk b/core/java.mk
index cfae48d..ec1ebf9 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -31,6 +31,8 @@
         LOCAL_JAVA_LIBRARIES := android_stubs_current $(LOCAL_JAVA_LIBRARIES)
       else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
         LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
+      else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+        LOCAL_JAVA_LIBRARIES := android_test_stubs_current $(LOCAL_JAVA_LIBRARIES)
       else
         LOCAL_JAVA_LIBRARIES := sdk_v$(LOCAL_SDK_VERSION) $(LOCAL_JAVA_LIBRARIES)
       endif
@@ -157,7 +159,7 @@
 else
   ifneq (,$(LOCAL_SDK_VERSION))
     # Set target-api for LOCAL_SDK_VERSIONs other than current.
-    ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+    ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
       renderscript_target_api := $(LOCAL_SDK_VERSION)
     endif
   endif  # LOCAL_SDK_VERSION is set
@@ -182,7 +184,7 @@
 renderscript_flags += $(LOCAL_RENDERSCRIPT_FLAGS)
 
 # prepend the RenderScript system include path
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_VERSION))),)
 # if a numeric LOCAL_SDK_VERSION, or current LOCAL_SDK_VERSION with TARGET_BUILD_APPS
 LOCAL_RENDERSCRIPT_INCLUDES := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/renderscript/clang-include \
@@ -290,7 +292,7 @@
 
 aidl_preprocess_import :=
 ifdef LOCAL_SDK_VERSION
-ifneq ($(filter current system_current, $(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS)),)
+ifneq ($(filter current system_current test_current, $(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS)),)
   # LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS
   aidl_preprocess_import := $(TARGET_OUT_COMMON_INTERMEDIATES)/framework.aidl
 else
@@ -473,7 +475,7 @@
 ifneq (,$(filter android-support-%,$(LOCAL_STATIC_JAVA_LIBRARIES)))
 ifdef LOCAL_SDK_VERSION
 ifdef TARGET_BUILD_APPS
-ifeq (,$(filter current system_current, $(LOCAL_SDK_VERSION)))
+ifeq (,$(filter current system_current test_current, $(LOCAL_SDK_VERSION)))
   my_support_library_sdk_raise := $(call java-lib-files, sdk_vcurrent)
 endif
 else
diff --git a/core/java_common.mk b/core/java_common.mk
index 0817a2b..0c2e061 100644
--- a/core/java_common.mk
+++ b/core/java_common.mk
@@ -145,9 +145,11 @@
 my_bootclasspath := $(call java-lib-files,android_stubs_current)
 else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
 my_bootclasspath := $(call java-lib-files,android_system_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+my_bootclasspath := $(call java-lib-files,android_test_stubs_current)
 else
 my_bootclasspath := $(call java-lib-files,sdk_v$(LOCAL_SDK_VERSION))
-endif # current or system_current
+endif # current, system_current, or test_current
 endif # LOCAL_SDK_VERSION
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(my_bootclasspath)
 
@@ -284,9 +286,11 @@
 my_bootclasspath := $(call jack-lib-files,android_stubs_current)
 else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
 my_bootclasspath := $(call jack-lib-files,android_system_stubs_current)
+else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
+my_bootclasspath := $(call jack-lib-files,android_test_stubs_current)
 else
 my_bootclasspath :=$(call jack-lib-files,sdk_v$(LOCAL_SDK_VERSION))
-endif # current or system_current
+endif # current, system_current, or test_current
 endif # LOCAL_SDK_VERSION
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(my_bootclasspath)
 
diff --git a/core/package_internal.mk b/core/package_internal.mk
index db32a27..1b86cdd 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -235,7 +235,7 @@
 
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_ANDROID_MANIFEST := $(full_android_manifest)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 $(LOCAL_INTERMEDIATE_TARGETS): \
     PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
@@ -361,7 +361,7 @@
 # Most packages should link against the resources defined by framework-res.
 # Even if they don't have their own resources, they may use framework
 # resources.
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_RES_VERSION))),)
 # for released sdk versions, the platform resources were built into android.jar.
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 9b7b46a..fa65d21 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -90,7 +90,7 @@
 framework_res_package_export_deps :=
 # Please refer to package.mk
 ifneq ($(LOCAL_NO_STANDARD_LIBRARIES),true)
-ifneq ($(filter-out current system_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current,$(LOCAL_SDK_RES_VERSION))),)
+ifneq ($(filter-out current system_current test_current,$(LOCAL_SDK_RES_VERSION))$(if $(TARGET_BUILD_APPS),$(filter current system_current test_current,$(LOCAL_SDK_RES_VERSION))),)
 framework_res_package_export := \
     $(HISTORICAL_SDK_VERSIONS_ROOT)/$(LOCAL_SDK_RES_VERSION)/android.jar
 framework_res_package_export_deps := $(framework_res_package_export)
@@ -111,7 +111,7 @@
 $(R_file_stamp): PRIVATE_RESOURCE_PUBLICS_OUTPUT := $(intermediates.COMMON)/public_resources.xml
 $(R_file_stamp): PRIVATE_RESOURCE_DIR := $(LOCAL_RESOURCE_DIR)
 $(R_file_stamp): PRIVATE_AAPT_INCLUDES := $(framework_res_package_export)
-ifneq (,$(filter-out current system_current, $(LOCAL_SDK_VERSION)))
+ifneq (,$(filter-out current system_current test_current, $(LOCAL_SDK_VERSION)))
 $(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(LOCAL_SDK_VERSION)
 else
 $(R_file_stamp): PRIVATE_DEFAULT_APP_TARGET_SDK := $(DEFAULT_APP_TARGET_SDK)
diff --git a/core/tasks/apicheck.mk b/core/tasks/apicheck.mk
index 683a075..3975d20 100644
--- a/core/tasks/apicheck.mk
+++ b/core/tasks/apicheck.mk
@@ -129,4 +129,37 @@
 	@echo Copying system-removed.txt
 	$(hide) $(ACP) $(INTERNAL_PLATFORM_SYSTEM_REMOVED_API_FILE) frameworks/base/api/system-removed.txt
 
+#####################Check Test API#####################
+.PHONY: check-test-api
+checkapi : check-test-api
+
+# Check that the Test API we're building hasn't changed from the not-yet-released
+# SDK version. Note that we don't check that we haven't broken the previous
+# SDK's API because the test API is meant only for CTS which is always
+# associated with the current release.
+$(eval $(call check-api, \
+    checktestapi-current, \
+    frameworks/base/api/test-current.txt, \
+    $(INTERNAL_PLATFORM_TEST_API_FILE), \
+    frameworks/base/api/test-removed.txt, \
+    $(INTERNAL_PLATFORM_TEST_REMOVED_API_FILE), \
+    -error 2 -error 3 -error 4 -error 5 -error 6 \
+    -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 \
+    -error 16 -error 17 -error 18 -error 19 -error 20 -error 21 -error 23 -error 24 \
+    -error 25 -error 26 -error 27, \
+    cat $(BUILD_SYSTEM)/apicheck_msg_current.txt, \
+    check-test-api, \
+    $(call doc-timestamp-for,test-api-stubs) \
+    ))
+
+.PHONY: update-test-api
+update-api : update-test-api
+
+update-test-api: $(INTERNAL_PLATFORM_TEST_API_FILE) | $(ACP)
+	@echo Copying test-current.txt
+	$(hide) $(ACP) $(INTERNAL_PLATFORM_TEST_API_FILE) frameworks/base/api/test-current.txt
+	@echo Copying test-removed.txt
+	$(hide) $(ACP) $(INTERNAL_PLATFORM_TEST_REMOVED_API_FILE) frameworks/base/api/test-removed.txt
+
+
 endif