#
# Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#

default: all

include $(SPEC)
include MakeBase.gmk
include FindTests.gmk

# We will always run multiple tests serially
.NOTPARALLEL:

################################################################################
# Parse global control variables
################################################################################

ifneq ($(TEST_VM_OPTS), )
  ifneq ($(TEST_OPTS), )
    TEST_OPTS := $(TEST_OPTS);VM_OPTIONS=$(TEST_VM_OPTS)
  else
    TEST_OPTS := VM_OPTIONS=$(TEST_VM_OPTS)
  endif
endif

$(eval $(call ParseKeywordVariable, TEST_OPTS, \
    SINGLE_KEYWORDS := JOBS TIMEOUT_FACTOR AOT_MODULES, \
    STRING_KEYWORDS := VM_OPTIONS JAVA_OPTIONS, \
))

# Helper function to propagate TEST_OPTS values.
#
# Note: No spaces are allowed around the arguments.
# Arg $1 The variable in TEST_OPTS to propagate
# Arg $2 The control variable to propagate it to
define SetTestOpt
  ifneq ($$(TEST_OPTS_$1), )
    $2_$1 := $$(TEST_OPTS_$1)
  endif
endef

# Setup _NT_SYMBOL_PATH on Windows
ifeq ($(OPENJDK_TARGET_OS), windows)
  ifndef _NT_SYMBOL_PATH
    # Can't use PathList here as it adds quotes around the value.
    _NT_SYMBOL_PATH := \
        $(subst $(SPACE),;,$(strip \
            $(foreach p, $(sort $(dir $(wildcard \
                $(addprefix $(SYMBOLS_IMAGE_DIR)/bin/, *.pdb */*.pdb)))), \
              $(call FixPath, $p) \
            ) \
        ))
    export _NT_SYMBOL_PATH
    $(info _NT_SYMBOL_PATH=$(_NT_SYMBOL_PATH))
  endif
endif

################################################################################
# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, RunTests.gmk))
################################################################################

TEST_RESULTS_DIR := $(OUTPUTDIR)/test-results
TEST_SUPPORT_DIR := $(OUTPUTDIR)/test-support
TEST_SUMMARY := $(TEST_RESULTS_DIR)/test-summary.txt
TEST_LAST_IDS := $(TEST_SUPPORT_DIR)/test-last-ids.txt

ifeq ($(CUSTOM_ROOT), )
  JTREG_TOPDIR := $(TOPDIR)
else
  JTREG_TOPDIR := $(CUSTOM_ROOT)
endif

JTREG_FAILURE_HANDLER_DIR := $(TEST_IMAGE_DIR)/failure_handler
JTREG_FAILURE_HANDLER := $(JTREG_FAILURE_HANDLER_DIR)/jtregFailureHandler.jar

ifneq ($(wildcard $(JTREG_FAILURE_HANDLER)), )
  JTREG_FAILURE_HANDLER_OPTIONS := \
      -timeoutHandlerDir:$(JTREG_FAILURE_HANDLER) \
      -observerDir:$(JTREG_FAILURE_HANDLER) \
      -timeoutHandler:jdk.test.failurehandler.jtreg.GatherProcessInfoTimeoutHandler \
      -observer:jdk.test.failurehandler.jtreg.GatherDiagnosticInfoObserver \
      -timeoutHandlerTimeout:0
endif

GTEST_LAUNCHER_DIRS := $(patsubst %/gtestLauncher, %, $(wildcard $(TEST_IMAGE_DIR)/hotspot/gtest/*/gtestLauncher))
GTEST_VARIANTS := $(strip $(patsubst $(TEST_IMAGE_DIR)/hotspot/gtest/%, %, $(GTEST_LAUNCHER_DIRS)))

################################################################################
# Optionally create AOT libraries for specified modules before running tests.
# Note, this could not be done during JDK build time.
################################################################################

# Note, this could not be done during JDK build time.

# Parameter 1 is the name of the rule.
#
# Remaining parameters are named arguments.
#   MODULE      The module to generate a library for
#   BIN         Output directory in which to put the library
#   VM_OPTIONS  List of JVM arguments to use when creating library
#   OPTIONS_VAR Name of variable to put AOT java options in
#   PREREQS_VAR Name of variable to put all AOT prerequisite rule targets in
#               for test rules to depend on
#
SetupAotModule = $(NamedParamsMacroTemplate)
define SetupAotModuleBody
  $1_AOT_LIB := $$($1_BIN)/$$(call SHARED_LIBRARY,$$($1_MODULE))
  $1_AOT_CCLIST := $$(wildcard $$(TOPDIR)/test/hotspot/jtreg/compiler/aot/scripts/$$($1_MODULE)-list.txt)

  ifeq ($(OPENJDK_TARGET_OS), windows)
    $1_LD := $$(addsuffix $$(EXE_SUFFIX), $$(filter-out $$(FIXPATH), $$(LD)))
  else
    $1_LD := $$(LD)
  endif

  $1_JAOTC_OPTS := \
      -J-Xmx4g --info \
      $$(addprefix -J, $$($1_VM_OPTIONS)) \
      $$(addprefix --compile-commands$(SPACE), $$($1_AOT_CCLIST)) \
      --linker-path $$($1_LD) \
      #

  ifneq ($$(filter -ea, $$($1_VM_OPTIONS)), )
    $1_JAOTC_OPTS += --compile-with-assertions
  endif

  $$($1_AOT_LIB): $$(JDK_IMAGE_DIR)/release \
      $$(call DependOnVariable, $1_JAOTC_OPTS) \
      $$(call DependOnVariable, JDK_IMAGE_DIR)
	$$(call LogWarn, Generating $$(patsubst $$(OUTPUTDIR)/%, %, $$@))
	$$(call MakeTargetDir)
	$$(call ExecuteWithLog, $$@, \
	    $$(FIXPATH) $$(JDK_IMAGE_DIR)/bin/jaotc \
	    $$($1_JAOTC_OPTS) --output $$@ --module $$($1_MODULE) \
	)
	$$(call ExecuteWithLog, $$@.check, \
	  $$(FIXPATH) $$(JDK_IMAGE_DIR)/bin/java \
	  $$($1_VM_OPTIONS) -XX:+PrintAOT -XX:+UseAOTStrictLoading -XX:AOTLibrary=$$@ -version \
	  > $$@.verify-aot \
	)

  $1_AOT_OPTIONS += -XX:AOTLibrary=$$($1_AOT_LIB)
  $1_AOT_TARGETS += $$($1_AOT_LIB)
endef

# Parameter 1 is the name of the rule.
#
# Remaining parameters are named arguments.
#   MODULES     The modules to generate a library for
#   VM_OPTIONS  List of JVM arguments to use when creating libraries
#
# After calling this, the following variables are defined
#   $1_AOT_OPTIONS List of all java options needed to use the AOT libraries
#   $1_AOT_TARGETS List of all targets that the test rule will need to depend on
#
SetupAot = $(NamedParamsMacroTemplate)
define SetupAotBody
  $$(info Running with AOTd libraries for $$($1_MODULES))
  # Put aot libraries in a separate directory so they are not deleted between
  # test runs and may be reused between make invocations.
  $$(foreach m, $$($1_MODULES), \
    $$(eval $$(call SetupAotModule, $1_$$m, \
        MODULE := $$m, \
        BIN := $$(TEST_SUPPORT_DIR)/aot/$1, \
        VM_OPTIONS := $$($1_VM_OPTIONS), \
    )) \
    $$(eval $1_AOT_OPTIONS += $$($1_$$m_AOT_OPTIONS)) \
    $$(eval $1_AOT_TARGETS += $$($1_$$m_AOT_TARGETS)) \
  )
endef

################################################################################
# Setup global test running parameters
################################################################################

# Each factor variable comes in 3 variants. The first one is reserved for users
# to use on command line. The other two are for predifined configurations in JDL
# and for machine specific configurations respectively.
TEST_JOBS_FACTOR ?= 1
TEST_JOBS_FACTOR_JDL ?= 1
TEST_JOBS_FACTOR_MACHINE ?= 1

ifeq ($(TEST_JOBS), 0)
  # Concurrency based on min(cores / 2, 12) * TEST_JOBS_FACTOR
  TEST_JOBS := $(shell $(AWK) \
    'BEGIN { \
      c = $(NUM_CORES) / 2; \
      if (c > 12) c = 12; \
      c = c * $(TEST_JOBS_FACTOR); \
      c = c * $(TEST_JOBS_FACTOR_JDL); \
      c = c * $(TEST_JOBS_FACTOR_MACHINE); \
      if (c < 1) c = 1; \
      printf "%.0f", c; \
    }')
endif

################################################################################
# Parse control variables
################################################################################

ifneq ($(TEST_OPTS), )
  # Inform the user
  $(info Running tests using TEST_OPTS control variable '$(TEST_OPTS)')
endif

$(eval $(call SetTestOpt,VM_OPTIONS,JTREG))
$(eval $(call SetTestOpt,JAVA_OPTIONS,JTREG))
$(eval $(call SetTestOpt,VM_OPTIONS,GTEST))
$(eval $(call SetTestOpt,JAVA_OPTIONS,GTEST))

$(eval $(call SetTestOpt,AOT_MODULES,JTREG))
$(eval $(call SetTestOpt,AOT_MODULES,GTEST))

$(eval $(call SetTestOpt,JOBS,JTREG))
$(eval $(call SetTestOpt,TIMEOUT_FACTOR,JTREG))

$(eval $(call ParseKeywordVariable, JTREG, \
    SINGLE_KEYWORDS := JOBS TIMEOUT_FACTOR TEST_MODE ASSERT VERBOSE RETAIN MAX_MEM \
        EXTRA_PROBLEM_LISTS KEYWORDS AOT_MODULES, \
    STRING_KEYWORDS := OPTIONS JAVA_OPTIONS VM_OPTIONS, \
))

ifneq ($(JTREG), )
  # Inform the user
  $(info Running tests using JTREG control variable '$(JTREG)')
endif

$(eval $(call ParseKeywordVariable, GTEST, \
    SINGLE_KEYWORDS := REPEAT AOT_MODULES, \
    STRING_KEYWORDS := OPTIONS VM_OPTIONS JAVA_OPTIONS, \
))

ifneq ($(GTEST), )
  # Inform the user
  $(info Running tests using GTEST control variable '$(GTEST)')
endif


################################################################################
# Component-specific Jtreg settings
################################################################################

hotspot_JTREG_MAX_MEM := 0
hotspot_JTREG_ASSERT := false
hotspot_JTREG_NATIVEPATH := $(TEST_IMAGE_DIR)/hotspot/jtreg/native
jdk_JTREG_NATIVEPATH := $(TEST_IMAGE_DIR)/jdk/jtreg/native

jdk_JTREG_PROBLEM_LIST += $(TOPDIR)/test/jdk/ProblemList.txt
jaxp_JTREG_PROBLEM_LIST += $(TOPDIR)/test/jaxp/ProblemList.txt
langtools_JTREG_PROBLEM_LIST += $(TOPDIR)/test/langtools/ProblemList.txt
nashorn_JTREG_PROBLEM_LIST += $(TOPDIR)/test/nashorn/ProblemList.txt
hotspot_JTREG_PROBLEM_LIST += $(TOPDIR)/test/hotspot/jtreg/ProblemList.txt

langtools_JTREG_MAX_MEM := 768m

################################################################################
# Parse test selection
#
# The user has given a test selection in the TEST variable. We must parse it
# and determine what that means in terms of actual calls to the test framework.
#
# The parse functions take as argument a test specification as given by the
# user, and returns a fully qualified test descriptor if it was a match, or
# nothing if not. A single test specification can result in multiple test
# descriptors being returned. A valid test descriptor must always be accepted
# and returned identically.
################################################################################

# Helper function to determine if a test specification is a Gtest test
#
# It is a Gtest test if it is either "gtest", or "gtest:" followed by an optional
# test filter string, and an optional "/<variant>" to select a specific JVM
# variant. If no variant is specified, all found variants are tested.
define ParseGtestTestSelection
  $(if $(filter gtest%, $1), \
    $(if $(filter gtest, $1), \
      $(addprefix gtest:all/, $(GTEST_VARIANTS)) \
    , \
      $(if $(strip $(or $(filter gtest/%, $1) $(filter gtest:/%, $1))), \
        $(patsubst gtest:/%, gtest:all/%, $(patsubst gtest/%, gtest:/%, $1)) \
      , \
        $(if $(filter gtest:%, $1), \
          $(if $(findstring /, $1), \
            $1 \
          , \
            $(addprefix $1/, $(GTEST_VARIANTS)) \
          ) \
        ) \
      ) \
    ) \
  )
endef

# Helper function that removes the TOPDIR part
CleanupJtregPath = \
  $(strip $(patsubst %/, %, $(subst $(JTREG_TOPDIR)/,, $1)))

# Take a partial Jtreg root path and return a full, absolute path to that Jtreg
# root. Also support having "hotspot" as an alias for "hotspot/jtreg".
ExpandJtregRoot = \
  $(call CleanupJtregPath, $(wildcard \
    $(if $(filter /%, $1), \
      $(if $(wildcard $(strip $1)/TEST.ROOT), \
        $1 \
      ) \
    , \
      $(filter $(addprefix %, $1), $(JTREG_TESTROOTS) $(addsuffix /, $(JTREG_TESTROOTS))) \
      $(filter $(addprefix %, $(strip $1)/jtreg), $(JTREG_TESTROOTS) $(addsuffix /, $(JTREG_TESTROOTS))) \
    ) \
  ))

# Take a partial Jtreg test path and return a full, absolute path to that Jtreg
# test. Also support having "hotspot" as an alias for "hotspot/jtreg".
ExpandJtregPath = \
  $(if $(call ExpandJtregRoot, $1), \
    $(call ExpandJtregRoot, $1) \
  , \
    $(call CleanupJtregPath, $(wildcard \
      $(if $(filter /%, $1), \
        $1 \
      , \
        $(addsuffix /$(strip $1), $(JTREG_TESTROOTS) $(TEST_BASEDIRS)) \
        $(addsuffix $(strip $(patsubst hotspot/%, /hotspot/jtreg/%, $1)), $(JTREG_TESTROOTS) $(TEST_BASEDIRS)) \
      ) \
    )) \
  )

# Helper function to determine if a test specification is a Jtreg test
#
# It is a Jtreg test if it optionally begins with jtreg:, and then is either
# an unspecified group name (possibly prefixed by :), or a group in a
# specified test root, or a path to a test or test directory,
# either absolute or relative to any of the TEST_BASEDIRS or test roots.
define ParseJtregTestSelection
  $(eval TEST_NAME := $(strip $(patsubst jtreg:%, %, $1))) \
  $(if $(or $(findstring :, $(TEST_NAME)), $(findstring /, $(TEST_NAME))), , \
    $(eval TEST_NAME := :$(TEST_NAME)) \
  ) \
  $(if $(findstring :, $(TEST_NAME)), \
    $(if $(filter :%, $(TEST_NAME)), \
      $(eval TEST_GROUP := $(patsubst :%, %, $(TEST_NAME))) \
      $(eval TEST_ROOTS := $(foreach test_root, $(JTREG_TESTROOTS), \
          $(call CleanupJtregPath, $(test_root)))) \
    , \
      $(eval TEST_PATH := $(word 1, $(subst :, $(SPACE), $(TEST_NAME)))) \
      $(eval TEST_GROUP := $(word 2, $(subst :, $(SPACE), $(TEST_NAME)))) \
      $(eval TEST_ROOTS := $(call ExpandJtregRoot, $(TEST_PATH))) \
    ) \
    $(foreach test_root, $(TEST_ROOTS), \
      $(if $(filter /%, $(test_root)), \
        jtreg:$(test_root):$(TEST_GROUP) \
      , \
        $(if $(filter $(TEST_GROUP), $($(JTREG_TOPDIR)/$(test_root)_JTREG_TEST_GROUPS)), \
          jtreg:$(test_root):$(TEST_GROUP) \
        ) \
      ) \
    ) \
  , \
    $(eval TEST_PATHS := $(call ExpandJtregPath, $(TEST_NAME))) \
    $(foreach test_path, $(TEST_PATHS), \
      jtreg:$(test_path) \
    ) \
  )
endef

# Helper function to determine if a test specification is a special test
#
# It is a special test if it is "special:" followed by a test name,
# if it is "make:" or "make-" followed by a make test, or any of the special test names
# as a single word.
define ParseSpecialTestSelection
  $(if $(filter special:%, $1), \
    $1 \
  ) \
  $(if $(filter make%, $1), \
    $(if $(filter make:%, $1), \
      special:$(strip $1) \
    ) \
    $(if $(filter make-%, $1), \
      special:$(patsubst make-%,make:%, $1) \
    ) \
    $(if $(filter make, $1), \
      special:make:all \
    )
  ) \
  $(if $(filter hotspot-internal failure-handler, $1), \
    special:$(strip $1) \
  )
endef

ifeq ($(TEST), )
  $(info No test selection given in TEST!)
  $(info Please use e.g. 'make test TEST=tier1' or 'make test-tier1')
  $(info See doc/testing.[md|html] for help)
  $(error Cannot continue)
endif

# Now intelligently convert the test selection given by the user in TEST
# into a list of fully qualified test descriptors of the tests to run.
TESTS_TO_RUN :=
$(foreach test, $(TEST), \
  $(eval PARSED_TESTS := $(call ParseCustomTestSelection, $(test))) \
  $(if $(strip $(PARSED_TESTS)), , \
    $(eval PARSED_TESTS += $(call ParseGtestTestSelection, $(test))) \
  ) \
  $(if $(strip $(PARSED_TESTS)), , \
    $(eval PARSED_TESTS += $(call ParseJtregTestSelection, $(test))) \
  ) \
  $(if $(strip $(PARSED_TESTS)), , \
    $(eval PARSED_TESTS += $(call ParseSpecialTestSelection, $(test))) \
  ) \
  $(if $(strip $(PARSED_TESTS)), , \
    $(eval UNKNOWN_TEST := $(test)) \
  ) \
  $(eval TESTS_TO_RUN += $(PARSED_TESTS)) \
)

ifneq ($(UNKNOWN_TEST), )
  $(info Unknown test selection: '$(UNKNOWN_TEST)')
  $(info See doc/testing.[md|html] for help)
  $(error Cannot continue)
endif

TESTS_TO_RUN := $(strip $(TESTS_TO_RUN))


# Present the result of our parsing to the user
$(info Test selection '$(TEST)', will run:)
$(foreach test, $(TESTS_TO_RUN), $(info * $(test)))


################################################################################
# Functions for setting up rules for running the selected tests
#
# The SetupRun*Test functions all have the same interface:
#
# Parameter 1 is the name of the rule. This is the test id, based on the test
# descriptor, and this is also used as variable prefix, and the targets
# generated are listed in a variable by that name.
#
# Remaining parameters are named arguments. Currently this is only:
#   TEST -- The properly formatted fully qualified test descriptor
#
# After the rule named by the test id has been executed, the following
# variables will be available:
# testid_TOTAL - the total number of tests run
# testid_PASSED - the number of successful tests
# testid_FAILED - the number of failed tests
# testid_ERROR - the number of tests was neither successful or failed
#
################################################################################

### Rules for Gtest

SetupRunGtestTest = $(NamedParamsMacroTemplate)
define SetupRunGtestTestBody
  $1_TEST_RESULTS_DIR := $$(TEST_RESULTS_DIR)/$1
  $1_TEST_SUPPORT_DIR := $$(TEST_SUPPORT_DIR)/$1
  $1_EXITCODE := $$($1_TEST_RESULTS_DIR)/exitcode.txt

  $1_VARIANT :=  $$(lastword $$(subst /, , $$($1_TEST)))
  ifeq ($$(filter $$($1_VARIANT), $$(GTEST_VARIANTS)), )
    $$(error Invalid gtest variant '$$($1_VARIANT)'. Valid variants: $$(GTEST_VARIANTS))
  endif
  $1_TEST_NAME := $$(strip $$(patsubst %/$$($1_VARIANT), %, \
      $$(patsubst gtest:%, %, $$($1_TEST))))
  ifneq ($$($1_TEST_NAME), all)
    $1_GTEST_FILTER := --gtest_filter=$$($1_TEST_NAME)*
  endif

  ifneq ($$(GTEST_REPEAT), )
    $1_GTEST_REPEAT :=--gtest_repeat=$$(GTEST_REPEAT)
  endif

  ifneq ($$(GTEST_AOT_MODULES), )
    $$(eval $$(call SetupAot, $1, \
        MODULES := $$(GTEST_AOT_MODULES), \
        VM_OPTIONS := $$(GTEST_VM_OPTIONS) $$(GTEST_JAVA_OPTIONS), \
    ))
  endif

  run-test-$1: $$($1_AOT_TARGETS)
	$$(call LogWarn)
	$$(call LogWarn, Running test '$$($1_TEST)')
	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR))
	$$(call ExecuteWithLog, $$($1_TEST_SUPPORT_DIR)/gtest, \
	    $$(FIXPATH) $$(TEST_IMAGE_DIR)/hotspot/gtest/$$($1_VARIANT)/gtestLauncher \
	        -jdk $(JDK_IMAGE_DIR) $$($1_GTEST_FILTER) \
	        --gtest_output=xml:$$($1_TEST_RESULTS_DIR)/gtest.xml \
	        $$($1_GTEST_REPEAT) $$(GTEST_OPTIONS) $$(GTEST_VM_OPTIONS) \
	        $$(GTEST_JAVA_OPTIONS) $$($1_AOT_OPTIONS) \
	        > >($(TEE) $$($1_TEST_RESULTS_DIR)/gtest.txt) \
	    && $$(ECHO) $$$$? > $$($1_EXITCODE) \
	    || $$(ECHO) $$$$? > $$($1_EXITCODE) \
	)

  $1_RESULT_FILE := $$($1_TEST_RESULTS_DIR)/gtest.txt

  parse-test-$1: run-test-$1
	$$(call LogWarn, Finished running test '$$($1_TEST)')
	$$(call LogWarn, Test report is stored in $$(strip \
	    $$(subst $$(TOPDIR)/, , $$($1_TEST_RESULTS_DIR))))
	$$(if $$(wildcard $$($1_RESULT_FILE)), \
	  $$(eval $1_TOTAL := $$(shell $$(AWK) '/==========.* tests? from .* \
	      test cases? ran/ { print $$$$2 }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_TOTAL), , $$(eval $1_TOTAL := 0)) \
	  $$(eval $1_PASSED := $$(shell $$(AWK) '/\[  PASSED  \] .* tests?./ \
	      { print $$$$4 }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_PASSED), , $$(eval $1_PASSED := 0)) \
	  $$(eval $1_FAILED := $$(shell $$(AWK) '/\[  FAILED  \] .* tests?, \
	      listed below/ { print $$$$4 }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_FAILED), , $$(eval $1_FAILED := 0)) \
	  $$(eval $1_ERROR := $$(shell \
	      $$(EXPR) $$($1_TOTAL) - $$($1_PASSED) - $$($1_FAILED))) \
	, \
	  $$(eval $1_PASSED := 0) \
	  $$(eval $1_FAILED := 0) \
	  $$(eval $1_ERROR := 1) \
	  $$(eval $1_TOTAL := 1) \
	)

  $1: run-test-$1 parse-test-$1

  TARGETS += $1
endef

################################################################################

### Rules for Jtreg

# Helper function for SetupRunJtregTest. Set a JTREG_* variable from, in order:
# 1) Specified by user on command line
# 2) Component-specific default
# 3) Generic default
#
# Note: No spaces are allowed around the arguments.
# Arg $1 The test ID (i.e. $1 in SetupRunJtregTest)
# Arg $2 Base variable, e.g. JTREG_JOBS
# Arg $3 The default value (optional)
define SetJtregValue
  ifneq ($$($2), )
    $1_$2 := $$($2)
  else
    ifneq ($$($$($1_COMPONENT)_$2), )
      $1_$2 := $$($$($1_COMPONENT)_$2)
    else
      ifneq ($3, )
        $1_$2 := $3
      endif
    endif
  endif
endef

SetupRunJtregTest = $(NamedParamsMacroTemplate)
define SetupRunJtregTestBody
  $1_TEST_RESULTS_DIR := $$(TEST_RESULTS_DIR)/$1
  $1_TEST_SUPPORT_DIR := $$(TEST_SUPPORT_DIR)/$1
  $1_EXITCODE := $$($1_TEST_RESULTS_DIR)/exitcode.txt

  $1_TEST_NAME := $$(strip $$(patsubst jtreg:%, %, $$($1_TEST)))

  $1_TEST_ROOT := \
      $$(strip $$(foreach root, $$(JTREG_TESTROOTS), \
        $$(if $$(filter $$(root)%, $$(JTREG_TOPDIR)/$$($1_TEST_NAME)), $$(root)) \
      ))
  $1_COMPONENT := $$(lastword $$(subst /, $$(SPACE), $$($1_TEST_ROOT)))
  # This will work only as long as just hotspot has the additional "jtreg" directory
  ifeq ($$($1_COMPONENT), jtreg)
    $1_COMPONENT := hotspot
  endif

  ifeq ($$(JT_HOME), )
    $$(info Error: jtreg framework is not found.)
    $$(info Please run configure using --with-jtreg.)
    $$(error Cannot continue)
  endif

  # Unfortunately, we need different defaults for some JTREG values,
  # depending on what component we're running.

  # Convert JTREG_foo into $1_JTREG_foo with a suitable value.
  $$(eval $$(call SetJtregValue,$1,JTREG_TEST_MODE,agentvm))
  $$(eval $$(call SetJtregValue,$1,JTREG_ASSERT,true))
  $$(eval $$(call SetJtregValue,$1,JTREG_MAX_MEM,512m))
  $$(eval $$(call SetJtregValue,$1,JTREG_NATIVEPATH))
  $$(eval $$(call SetJtregValue,$1,JTREG_BASIC_OPTIONS))
  $$(eval $$(call SetJtregValue,$1,JTREG_PROBLEM_LIST))

  # Only the problem list for the current test root should be used.
  $1_JTREG_PROBLEM_LIST := $$(filter $$($1_TEST_ROOT)%, $$($1_JTREG_PROBLEM_LIST))

  ifneq ($(TEST_JOBS), 0)
    $$(eval $$(call SetJtregValue,$1,JTREG_JOBS,$$(TEST_JOBS)))
  else
    $$(eval $$(call SetJtregValue,$1,JTREG_JOBS,$$(JOBS)))
  endif

  # Make sure MaxRAMPercentage is high enough to not cause OOM or swapping since
  # we may end up with a lot of JVM's
  $1_JTREG_MAX_RAM_PERCENTAGE := $$(shell $$(EXPR) 25 / $$($1_JTREG_JOBS))

  JTREG_TIMEOUT_FACTOR ?= 4
  JTREG_VERBOSE ?= fail,error,summary
  JTREG_RETAIN ?= fail,error

  ifneq ($$($1_JTREG_MAX_MEM), 0)
    $1_JTREG_BASIC_OPTIONS += -vmoption:-Xmx$$($1_JTREG_MAX_MEM)
    $1_JTREG_LAUNCHER_OPTIONS += -Xmx$$($1_JTREG_MAX_MEM)
  endif

  $1_JTREG_BASIC_OPTIONS += -$$($1_JTREG_TEST_MODE) \
      -verbose:$$(JTREG_VERBOSE) -retain:$$(JTREG_RETAIN) \
      -concurrency:$$($1_JTREG_JOBS) -timeoutFactor:$$(JTREG_TIMEOUT_FACTOR) \
      -vmoption:-XX:MaxRAMPercentage=$$($1_JTREG_MAX_RAM_PERCENTAGE)

  $1_JTREG_BASIC_OPTIONS += -automatic -ignore:quiet

  # Make it possible to specify the JIB_DATA_DIR for tests using the
  # JIB Artifact resolver
  $1_JTREG_BASIC_OPTIONS += -e:JIB_DATA_DIR
  # Some tests needs to find a boot JDK using the JDK8_HOME variable.
  $1_JTREG_BASIC_OPTIONS += -e:JDK8_HOME=$$(BOOT_JDK)
  # If running on Windows, propagate the _NT_SYMBOL_PATH to enable
  # symbol lookup in hserr files
  ifeq ($$(OPENJDK_TARGET_OS), windows)
    $1_JTREG_BASIC_OPTIONS += -e:_NT_SYMBOL_PATH
  endif

  $1_JTREG_BASIC_OPTIONS += \
      $$(addprefix -javaoption:, $$(JTREG_JAVA_OPTIONS)) \
      $$(addprefix -vmoption:, $$(JTREG_VM_OPTIONS)) \
      #

  ifeq ($$($1_JTREG_ASSERT), true)
    $1_JTREG_BASIC_OPTIONS += -ea -esa
  endif

  ifneq ($$($1_JTREG_NATIVEPATH), )
    $1_JTREG_BASIC_OPTIONS += -nativepath:$$($1_JTREG_NATIVEPATH)
  endif

  ifneq ($$($1_JTREG_PROBLEM_LIST), )
    $1_JTREG_BASIC_OPTIONS += $$(addprefix -exclude:, $$($1_JTREG_PROBLEM_LIST))
  endif

  ifneq ($$(JTREG_EXTRA_PROBLEM_LISTS), )
    # Accept both absolute paths as well as relative to the current test root.
    $1_JTREG_BASIC_OPTIONS += $$(addprefix -exclude:, $$(wildcard \
        $$(JTREG_EXTRA_PROBLEM_LISTS) \
        $$(addprefix $$($1_TEST_ROOT)/, $$(JTREG_EXTRA_PROBLEM_LISTS)) \
    ))
  endif

  ifneq ($$(JIB_HOME), )
    $1_JTREG_BASIC_OPTIONS += -e:JIB_HOME=$$(JIB_HOME)
  endif

  $1_JTREG_BASIC_OPTIONS += -e:TEST_IMAGE_GRAAL_DIR=${TEST_IMAGE_DIR}/hotspot/jtreg/graal

  ifneq ($$(JTREG_FAILURE_HANDLER_OPTIONS), )
    $1_JTREG_LAUNCHER_OPTIONS += -Djava.library.path="$(JTREG_FAILURE_HANDLER_DIR)"
  endif

  ifneq ($$(JTREG_KEYWORDS), )
    # The keywords string may contain problematic characters and may be quoted
    # already when it arrives here. Remove any existing quotes and replace them
    # with one set of single quotes.
    $1_JTREG_KEYWORDS := \
        $$(strip $$(subst $$(SQUOTE),,$$(subst $$(DQUOTE),,$$(JTREG_KEYWORDS))))
    ifneq ($$($1_JTREG_KEYWORDS), )
      $1_JTREG_BASIC_OPTIONS += -k:'$$($1_JTREG_KEYWORDS)'
    endif
  endif

  ifneq ($$(JTREG_AOT_MODULES), )
    $$(eval $$(call SetupAot, $1, \
        MODULES := $$(JTREG_AOT_MODULES), \
        VM_OPTIONS := $$(JTREG_VM_OPTIONS) $$(JTREG_JAVA_OPTIONS), \
    ))
  endif

  ifneq ($$($1_AOT_OPTIONS), )
    $1_JTREG_BASIC_OPTIONS += -vmoptions:"$$($1_AOT_OPTIONS)"
  endif

  clean-workdir-$1:
	$$(RM) -r $$($1_TEST_SUPPORT_DIR)

  run-test-$1: clean-workdir-$1 $$($1_AOT_TARGETS)
	$$(call LogWarn)
	$$(call LogWarn, Running test '$$($1_TEST)')
	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR))
	$$(call ExecuteWithLog, $$($1_TEST_SUPPORT_DIR)/jtreg, \
	    $$(JAVA) $$($1_JTREG_LAUNCHER_OPTIONS) \
	        -Dprogram=jtreg -jar $$(JT_HOME)/lib/jtreg.jar \
	        $$($1_JTREG_BASIC_OPTIONS) \
	        -testjdk:$$(JDK_IMAGE_DIR) \
	        -dir:$$(JTREG_TOPDIR) \
	        -reportDir:$$($1_TEST_RESULTS_DIR) \
	        -workDir:$$($1_TEST_SUPPORT_DIR) \
	        $$(JTREG_OPTIONS) \
	        $$(JTREG_FAILURE_HANDLER_OPTIONS) \
	        $$($1_TEST_NAME) \
	    && $$(ECHO) $$$$? > $$($1_EXITCODE) \
	    || $$(ECHO) $$$$? > $$($1_EXITCODE) \
	)

  $1_RESULT_FILE := $$($1_TEST_RESULTS_DIR)/text/stats.txt

  parse-test-$1: run-test-$1
	$$(call LogWarn, Finished running test '$$($1_TEST)')
	$$(call LogWarn, Test report is stored in $$(strip \
	    $$(subst $$(TOPDIR)/, , $$($1_TEST_RESULTS_DIR))))
	$$(if $$(wildcard $$($1_RESULT_FILE)), \
	  $$(eval $1_PASSED := $$(shell $$(AWK) '{ gsub(/[,;]/, ""); \
	      for (i=1; i<=NF; i++) { if ($$$$i == "passed:") \
	      print $$$$(i+1) } }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_PASSED), , $$(eval $1_PASSED := 0)) \
	  $$(eval $1_FAILED := $$(shell $$(AWK) '{gsub(/[,;]/, ""); \
	      for (i=1; i<=NF; i++) { if ($$$$i == "failed:") \
	      print $$$$(i+1) } }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_FAILED), , $$(eval $1_FAILED := 0)) \
	  $$(eval $1_ERROR := $$(shell $$(AWK) '{gsub(/[,;]/, ""); \
	      for (i=1; i<=NF; i++) { if ($$$$i == "error:") \
	      print $$$$(i+1) } }' $$($1_RESULT_FILE))) \
	  $$(if $$($1_ERROR), , $$(eval $1_ERROR := 0)) \
	  $$(eval $1_TOTAL := $$(shell \
	      $$(EXPR) $$($1_PASSED) + $$($1_FAILED) + $$($1_ERROR))) \
	, \
	  $$(eval $1_PASSED := 0) \
	  $$(eval $1_FAILED := 0) \
	  $$(eval $1_ERROR := 1) \
	  $$(eval $1_TOTAL := 1) \
	)

  $1: run-test-$1 parse-test-$1

  TARGETS += $1
endef

################################################################################

### Rules for special tests

SetupRunSpecialTest = $(NamedParamsMacroTemplate)
define SetupRunSpecialTestBody
  $1_TEST_RESULTS_DIR := $$(TEST_RESULTS_DIR)/$1
  $1_TEST_SUPPORT_DIR := $$(TEST_SUPPORT_DIR)/$1
  $1_EXITCODE := $$($1_TEST_RESULTS_DIR)/exitcode.txt

  $1_FULL_TEST_NAME := $$(strip $$(patsubst special:%, %, $$($1_TEST)))
  ifneq ($$(findstring :, $$($1_FULL_TEST_NAME)), )
    $1_TEST_NAME := $$(firstword $$(subst :, ,$$($1_FULL_TEST_NAME)))
    $1_TEST_ARGS := $$(strip $$(patsubst special:$$($1_TEST_NAME):%, %, $$($1_TEST)))
  else
    $1_TEST_NAME := $$($1_FULL_TEST_NAME)
    $1_TEST_ARGS :=
  endif

  ifeq ($$($1_TEST_NAME), hotspot-internal)
    $1_TEST_COMMAND_LINE := \
        $$(JDK_IMAGE_DIR)/bin/java -XX:+ExecuteInternalVMTests \
        -XX:+ShowMessageBoxOnError -version
  else ifeq ($$($1_TEST_NAME), failure-handler)
    ifeq ($(BUILD_FAILURE_HANDLER), true)
      $1_TEST_COMMAND_LINE := \
          ($(CD) $(TOPDIR)/make/test && $(MAKE) $(MAKE_ARGS) -f \
          BuildFailureHandler.gmk test)
    else
      $$(error Cannot test failure handler if it is not built)
    endif
  else ifeq ($$($1_TEST_NAME), make)
    $1_TEST_COMMAND_LINE := \
        ($(CD) $(TOPDIR)/test/make && $(MAKE) $(MAKE_ARGS) -f \
        TestMake.gmk $$($1_TEST_ARGS))
  else
    $$(error Invalid special test specification: $$($1_TEST_NAME))
  endif

  run-test-$1: $(TEST_PREREQS)
	$$(call LogWarn)
	$$(call LogWarn, Running test '$$($1_TEST)')
	$$(call MakeDir, $$($1_TEST_RESULTS_DIR) $$($1_TEST_SUPPORT_DIR))
	$$(call ExecuteWithLog, $$($1_TEST_SUPPORT_DIR)/test-execution, \
	    $$($1_TEST_COMMAND_LINE) \
	        > >($(TEE) $$($1_TEST_RESULTS_DIR)/test-output.txt) \
	    && $$(ECHO) $$$$? > $$($1_EXITCODE) \
	    || $$(ECHO) $$$$? > $$($1_EXITCODE) \
	)

  $1_RESULT_FILE := $$($1_TEST_RESULTS_DIR)/gtest.txt

  # We can not parse the various "special" tests.
  parse-test-$1: run-test-$1
	$$(call LogWarn, Finished running test '$$($1_TEST)')
	$$(call LogWarn, Test report is stored in $$(strip \
	    $$(subst $$(TOPDIR)/, , $$($1_TEST_RESULTS_DIR))))
	$$(call LogWarn, Warning: Special test results are not properly parsed!)
	$$(eval $1_PASSED := 0)
	$$(eval $1_FAILED := 0)
	$$(eval $1_ERROR := 0)
	$$(eval $1_TOTAL := 0)

  $1: run-test-$1 parse-test-$1

  TARGETS += $1
endef

################################################################################
# Setup and execute make rules for all selected tests
################################################################################

# Helper function to determine which handler to use for the given test
UseGtestTestHandler = \
  $(if $(filter gtest:%, $1), true)

UseJtregTestHandler = \
  $(if $(filter jtreg:%, $1), true)

UseSpecialTestHandler = \
  $(if $(filter special:%, $1), true)

# Now process each test to run and setup a proper make rule
$(foreach test, $(TESTS_TO_RUN), \
  $(eval TEST_ID := $(shell $(ECHO) $(strip $(test)) | \
      $(TR) -cs '[a-z][A-Z][0-9]\n' '[_*1000]')) \
  $(eval ALL_TEST_IDS += $(TEST_ID)) \
  $(if $(call UseCustomTestHandler, $(test)), \
    $(eval $(call SetupRunCustomTest, $(TEST_ID), \
        TEST := $(test), \
    )) \
  ) \
  $(if $(call UseGtestTestHandler, $(test)), \
    $(eval $(call SetupRunGtestTest, $(TEST_ID), \
        TEST := $(test), \
    )) \
  ) \
  $(if $(call UseJtregTestHandler, $(test)), \
    $(eval $(call SetupRunJtregTest, $(TEST_ID), \
        TEST := $(test), \
    )) \
  ) \
  $(if $(call UseSpecialTestHandler, $(test)), \
    $(eval $(call SetupRunSpecialTest, $(TEST_ID), \
        TEST := $(test), \
    )) \
  ) \
)

# Sort also removes duplicates, so if there is any we'll get fewer words.
ifneq ($(words $(ALL_TEST_IDS)), $(words $(sort $(ALL_TEST_IDS))))
  $(error Duplicate test specification)
endif


################################################################################
# The main target for RunTests.gmk
################################################################################

# The SetupRun*Test functions have populated TARGETS.

TEST_FAILURE := false

run-test: $(TARGETS)
        # Create and print a table of the result of all tests run
	$(RM) $(TEST_SUMMARY).old 2> /dev/null
	$(MV) $(TEST_SUMMARY) $(TEST_SUMMARY).old 2> /dev/null || true
	$(RM) $(TEST_LAST_IDS).old 2> /dev/null
	$(MV) $(TEST_LAST_IDS) $(TEST_LAST_IDS).old 2> /dev/null || true
	$(ECHO) >> $(TEST_SUMMARY) ==============================
	$(ECHO) >> $(TEST_SUMMARY) Test summary
	$(ECHO) >> $(TEST_SUMMARY) ==============================
	$(PRINTF) >> $(TEST_SUMMARY) "%2s %-49s %5s %5s %5s %5s %2s\n" "  " \
	    TEST TOTAL PASS FAIL ERROR " "
	$(foreach test, $(TESTS_TO_RUN), \
	  $(eval TEST_ID := $(shell $(ECHO) $(strip $(test)) | \
	      $(TR) -cs '[a-z][A-Z][0-9]\n' '[_*1000]')) \
	    $(ECHO) >> $(TEST_LAST_IDS) $(TEST_ID) $(NEWLINE) \
	  $(eval NAME_PATTERN := $(shell $(ECHO) $(test) | $(TR) -c '\n' '[_*1000]')) \
	  $(if $(filter __________________________________________________%, $(NAME_PATTERN)), \
	    $(eval TEST_NAME := ) \
	    $(PRINTF) >> $(TEST_SUMMARY) "%2s %-49s\n" "  " "$(test)"  $(NEWLINE) \
	  , \
	    $(eval TEST_NAME := $(test)) \
	  ) \
	  $(if $(filter $($(TEST_ID)_PASSED), $($(TEST_ID)_TOTAL)), \
	    $(PRINTF) >> $(TEST_SUMMARY) "%2s %-49s %5d %5d %5d %5d %2s\n" \
	        "  " "$(TEST_NAME)" $($(TEST_ID)_TOTAL) $($(TEST_ID)_PASSED) \
	        $($(TEST_ID)_FAILED) $($(TEST_ID)_ERROR) "  " $(NEWLINE) \
	  , \
	    $(PRINTF) >> $(TEST_SUMMARY) "%2s %-49s %5d %5d %5d %5d %2s\n" \
	         ">>" "$(TEST_NAME)" $($(TEST_ID)_TOTAL) $($(TEST_ID)_PASSED) \
	        $($(TEST_ID)_FAILED) $($(TEST_ID)_ERROR) "<<" $(NEWLINE) \
	    $(eval TEST_FAILURE := true) \
	  ) \
	)
	$(ECHO) >> $(TEST_SUMMARY) ==============================
	$(if $(filter true, $(TEST_FAILURE)), \
	  $(ECHO) >> $(TEST_SUMMARY) TEST FAILURE $(NEWLINE) \
	  $(MKDIR) -p $(MAKESUPPORT_OUTPUTDIR) $(NEWLINE) \
	  $(TOUCH) $(MAKESUPPORT_OUTPUTDIR)/exit-with-error \
	, \
	  $(ECHO) >> $(TEST_SUMMARY) TEST SUCCESS \
	)
	$(ECHO)
	$(CAT) $(TEST_SUMMARY)
	$(ECHO)

################################################################################

all: run-test

.PHONY: default all run-test $(TARGETS)