#
# Copyright (c) 1995, 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.
#

#
# Common logic to run various tests for a component, to be included by the
# component specific test makefiles.
#

# Default values for some properties that can be overridden by components.
USE_JTREG_VERSION ?= 4.2
JTREG_VM_TYPE ?= -agentvm
USE_JTREG_ASSERT ?= true
LIMIT_JTREG_VM_MEMORY ?= true

X:=
SPACE:=$(X) $(X)

.DEFAULT : all

# Empty these to get rid of some default rules
.SUFFIXES:
.SUFFIXES: .java
CO=
GET=

# Utilities used
AWK       = awk
CAT       = cat
CD        = cd
CHMOD     = chmod
CP        = cp
CUT       = cut
DIRNAME   = dirname
ECHO      = echo
EGREP     = egrep
EXPAND    = expand
FIND      = find
MKDIR     = mkdir
PWD       = pwd
RM        = rm -f
SED       = sed
SORT      = sort
TEE       = tee
UNAME     = uname
UNIQ      = uniq
WC        = wc
ZIPEXE    = zip

# Get OS name from uname (Cygwin inexplicably adds _NT-5.1)
UNAME_S := $(shell $(UNAME) -s | $(CUT) -f1 -d_)

# Commands to run on paths to make mixed paths for java on windows
ifeq ($(findstring CYGWIN,$(UNAME_S)), CYGWIN)
  # Location of developer shared files
  SLASH_JAVA = J:
  GETMIXEDPATH = cygpath -m
  PLATFORM = windows
else
  # Location of developer shared files
  SLASH_JAVA = /java
  GETMIXEDPATH = $(ECHO)
  PLATFORM = unix # we only care about windows or bsd.
  ifeq ($(UNAME_S), Darwin)
    PLATFORM = bsd
  endif
  ifeq ($(findstring BSD,$(UNAME_S)), BSD)
    PLATFORM = bsd
  endif
endif

# convert list of directories to dos paths
define MixedDirs
$(foreach i,$1,$(shell $(GETMIXEDPATH) "${i}"))
endef

ifdef ALT_SLASH_JAVA
  SLASH_JAVA = $(ALT_SLASH_JAVA)
endif

# Root of this test area (important to use full paths in some places)
TEST_ROOT := $(shell $(PWD))

# Root of all test results
ifdef TEST_OUTPUT_DIR
  $(shell $(MKDIR) -p $(TEST_OUTPUT_DIR)/jtreg)
  ABS_TEST_OUTPUT_DIR := \
    $(shell $(CD) $(TEST_OUTPUT_DIR)/jtreg && $(PWD))
else
  ifdef ALT_OUTPUTDIR
    ABS_OUTPUTDIR = $(shell $(CD) $(ALT_OUTPUTDIR) && $(PWD))
  else
    ABS_OUTPUTDIR = $(shell $(CD) $(TEST_ROOT)/.. && $(PWD))
  endif

  ABS_PLATFORM_BUILD_ROOT = $(ABS_OUTPUTDIR)
  ABS_TEST_OUTPUT_DIR := $(ABS_PLATFORM_BUILD_ROOT)/testoutput/$(UNIQUE_DIR)
endif

# If unset, set up the PRODUCT_HOME variable to the jdk to test
ifndef PRODUCT_HOME
  # Try to use images/jdk if it exists
  ABS_JDK_IMAGE = $(ABS_PLATFORM_BUILD_ROOT)/images/jdk
  PRODUCT_HOME :=                               \
    $(shell                                     \
      if [ -d $(ABS_JDK_IMAGE) ] ; then         \
         $(ECHO) "$(ABS_JDK_IMAGE)";            \
       else                                     \
         $(ECHO) "$(ABS_PLATFORM_BUILD_ROOT)";  \
       fi)
  PRODUCT_HOME := $(PRODUCT_HOME)
endif

# On Windows, setup the _NT_SYMBOL_PATH if possible.
ifeq ($(PLATFORM), windows)
  ifndef _NT_SYMBOL_PATH
    ifdef PRODUCT_SYMBOLS_HOME
      _NT_SYMBOL_PATH := \
          $(subst $(SPACE),;,$(strip $(call MixedDirs, $(sort $(dir $(wildcard \
          $(addprefix $(PRODUCT_SYMBOLS_HOME)/bin/, *.pdb */*.pdb)))))))
      export _NT_SYMBOL_PATH
    endif
  endif
  JTREG_BASIC_OPTIONS += -e:_NT_SYMBOL_PATH='$(_NT_SYMBOL_PATH)'
endif

ifneq ($(NATIVE_TEST_PATH), )
  # jtreg -nativepath <dir>
  #
  # Local make tests will be TEST_IMAGE_DIR
  ifdef TEST_IMAGE_DIR
    TESTNATIVE_DIR = $(TEST_IMAGE_DIR)
  endif
  ifdef TESTNATIVE_DIR
    JTREG_NATIVE_PATH = -nativepath:$(shell $(GETMIXEDPATH) "$(TESTNATIVE_DIR)/$(NATIVE_TEST_PATH)")
  endif
endif

ifeq ($(USE_FAILURE_HANDLER), true)
  # jtreg failure handler config
  ifeq ($(FAILURE_HANDLER_DIR), )
    ifneq ($(TESTNATIVE_DIR), )
      FAILURE_HANDLER_DIR := $(TESTNATIVE_DIR)/failure_handler
    endif
  endif
  ifneq ($(FAILURE_HANDLER_DIR), )
    FAILURE_HANDLER_DIR_MIXED := $(shell $(GETMIXEDPATH) "$(FAILURE_HANDLER_DIR)")
    JTREG_FAILURE_HANDLER_OPTIONS := \
        -timeoutHandlerDir:$(FAILURE_HANDLER_DIR_MIXED)/jtregFailureHandler.jar \
        -observerDir:$(FAILURE_HANDLER_DIR_MIXED)/jtregFailureHandler.jar \
        -timeoutHandler:jdk.test.failurehandler.jtreg.GatherProcessInfoTimeoutHandler \
        -observer:jdk.test.failurehandler.jtreg.GatherDiagnosticInfoObserver \
        -timeoutHandlerTimeout:0
  ifeq ($(PLATFORM), windows)
      JTREG_FAILURE_HANDLER_OPTIONS += -J-Djava.library.path="$(FAILURE_HANDLER_DIR_MIXED)"
    endif
  endif
endif


# Optionally create a CDS archive before running tests
ifeq ($(GENERATE_CDS_ARCHIVE), true)
  CDS_ARCHIVE_FILE := $(ABS_TEST_OUTPUT_DIR)/cds_archive.jsa

  $(CDS_ARCHIVE_FILE): $(PRODUCT_HOME)
	$(PRODUCT_HOME)/bin/java -XX:+UnlockDiagnosticVMOptions \
	    -XX:SharedArchiveFile=$(shell $(GETMIXEDPATH) "$(CDS_ARCHIVE_FILE)") -Xshare:dump

  CDS_VM_ARGS := -XX:+UnlockDiagnosticVMOptions -XX:SharedArchiveFile=$(shell $(GETMIXEDPATH) "$(CDS_ARCHIVE_FILE)")
  JTREG_TEST_OPTIONS += $(addprefix -vmoption:, $(CDS_VM_ARGS))
  TEST_PREREQS += $(CDS_ARCHIVE_FILE)
endif

# How to create the test bundle (pass or fail, we want to create this)
#   Follow command with ";$(BUNDLE_UP_AND_EXIT)", so it always gets executed.
ifneq ($(ARCHIVE_BUNDLE), )
  ZIP_UP_RESULTS = ( $(MKDIR) -p `$(DIRNAME) $(ARCHIVE_BUNDLE)`     \
	           && $(CD) $(ABS_TEST_OUTPUT_DIR)             \
	           && $(CHMOD) -R a+r . \
	           && $(ZIPEXE) -q -r $(ARCHIVE_BUNDLE) . ) ;
  CLEAN_ARCHIVE_BUNDLE = @$(RM) $(ARCHIVE_BUNDLE)
endif

# AddressSanitizer
ifeq ($(ASAN_ENABLED), yes)
  export ASAN_OPTIONS="handle_segv=0 detect_leaks=0"
  JTREG_BASIC_OPTIONS += -e:ASAN_OPTIONS=$(ASAN_OPTIONS)
  ifneq ($(DEVKIT_LIB_DIR),)
    export LD_LIBRARY_PATH:=$(LD_LIBRARY_PATH):$(DEVKIT_LIB_DIR)
    JTREG_BASIC_OPTIONS += -e:LD_LIBRARY_PATH=$(LD_LIBRARY_PATH)
  endif
endif

# important results files
SUMMARY_TXT = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/JTreport/text/summary.txt")
STATS_TXT_NAME = Stats.txt
STATS_TXT = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/$(STATS_TXT_NAME)")
RUNLIST   = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/runlist.txt")
PASSLIST  = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/passlist.txt")
FAILLIST  = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/faillist.txt")
EXITCODE  = $(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/exitcode.txt")

TESTEXIT = \
  if [ ! -s $(EXITCODE) ] ; then \
    $(ECHO) "ERROR: EXITCODE file not filled in."; \
    $(ECHO) "1" > $(EXITCODE); \
  fi ; \
  testExitCode=`$(CAT) $(EXITCODE)`; \
  $(ECHO) "EXIT CODE: $${testExitCode}"; \
  exit $${testExitCode}

ifeq ($(TREAT_EXIT_CODE_1_AS_0), true)
  ADJUST_EXIT_CODE := \
  if [ $${jtregExitCode} = 1 ] ; then \
    jtregExitCode=0; \
  fi
else
  # colon is the shell no-op
  ADJUST_EXIT_CODE := :
endif

BUNDLE_UP_AND_EXIT = \
( \
  jtregExitCode=$$? && \
  _summary="$(SUMMARY_TXT)"; \
  $(ADJUST_EXIT_CODE) ; \
  $(RM) -f $(STATS_TXT) $(RUNLIST) $(PASSLIST) $(FAILLIST) $(EXITCODE); \
  $(ECHO) "$${jtregExitCode}" > $(EXITCODE); \
  if [ -r "$${_summary}" ] ; then \
    $(ECHO) "Summary: $(UNIQUE_DIR)" > $(STATS_TXT); \
    $(EXPAND) $${_summary} | $(EGREP) -v ' Not run\.' > $(RUNLIST); \
    $(EGREP) ' Passed\.' $(RUNLIST) \
      | $(EGREP) -v ' Error\.' \
      | $(EGREP) -v ' Failed\.' > $(PASSLIST); \
    ( $(EGREP) ' Failed\.' $(RUNLIST); \
      $(EGREP) ' Error\.' $(RUNLIST); \
      $(EGREP) -v ' Passed\.' $(RUNLIST) ) \
      | $(SORT) | $(UNIQ) > $(FAILLIST); \
    if [ $${jtregExitCode} != 0 -o -s $(FAILLIST) ] ; then \
      $(EXPAND) $(FAILLIST) \
        | $(CUT) -d' ' -f1 \
        | $(SED) -e 's@^@FAILED: @' >> $(STATS_TXT); \
      if [ $${jtregExitCode} = 0 ] ; then \
        jtregExitCode=1; \
      fi; \
    fi; \
    runc="`$(CAT) $(RUNLIST)      | $(WC) -l | $(AWK) '{print $$1;}'`"; \
    passc="`$(CAT) $(PASSLIST)    | $(WC) -l | $(AWK) '{print $$1;}'`"; \
    failc="`$(CAT) $(FAILLIST)    | $(WC) -l | $(AWK) '{print $$1;}'`"; \
    exclc="FIXME CODETOOLS-7900176"; \
    $(ECHO) "TEST STATS: name=$(UNIQUE_DIR)  run=$${runc}  pass=$${passc}  fail=$${failc}" \
      >> $(STATS_TXT); \
  else \
    $(ECHO) "Missing file: $${_summary}" >> $(STATS_TXT); \
  fi; \
  if [ -f $(STATS_TXT) ] ; then \
    $(CAT) $(STATS_TXT); \
  fi; \
  $(ZIP_UP_RESULTS) \
  $(TESTEXIT) \
)

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

# Prep for output
# Change execute permissions on shared library files.
# Files in repositories should never have execute permissions, but
# there are some tests that have pre-built shared libraries, and these
# windows dll files must have execute permission. Adding execute
# permission may happen automatically on windows when using certain
# versions of mercurial but it cannot be guaranteed. And blindly
# adding execute permission might be seen as a mercurial 'change', so
# we avoid adding execute permission to repository files. But testing
# from a plain source tree needs the chmod a+rx. Applying the chmod to
# all shared libraries not just dll files. And with CYGWIN and sshd
# service, you may need CYGWIN=ntsec for this to work.
prep:
	@$(MKDIR) -p $(ABS_TEST_OUTPUT_DIR)
	@if [ ! -d $(TEST_ROOT)/../../.hg ] && [ ! -d $(TEST_ROOT)/../../../.hg ]; then  \
	  $(FIND) $(TEST_ROOT) \( -name \*.dll -o -name \*.DLL -o -name \*.so \)  \
	        -exec $(CHMOD) a+rx {} \; ;                                       \
	fi

ifeq ($(CLEAN_BEFORE_PREP), true)
prep: clean

endif

# Cleanup
clean:
	@$(RM) -r $(ABS_TEST_OUTPUT_DIR)
	$(CLEAN_ARCHIVE_BUNDLE)

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

# jtreg tests

# Expect JT_HOME to be set for jtreg tests. (home for jtreg)
ifndef JT_HOME
  JT_HOME = $(SLASH_JAVA)/re/jtreg/$(USE_JTREG_VERSION)/promoted/latest/binaries/jtreg
endif

# Problematic tests to be excluded
EXTRA_PROBLEM_LISTS :=
PROBLEM_LISTS := ProblemList.txt $(EXTRA_PROBLEM_LISTS)

# Create exclude list for this platform and arch
ifdef NO_EXCLUDES
  JTREG_EXCLUSIONS =
else
  JTREG_EXCLUSIONS = $(addprefix -exclude:, $(wildcard $(PROBLEM_LISTS)))
endif

# ------------------------------------------------------------------

# The TESTDIRS variable can be used to select the jtreg tests to run
ifdef TESTDIRS
  TEST_SELECTION = $(TESTDIRS)
endif

ifeq ($(UNAME_S), SunOS)
  NUM_CORES := $(shell LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line)
endif
ifeq ($(UNAME_S), Linux)
  NUM_CORES := $(shell cat /proc/cpuinfo  | grep -c processor)
endif
ifeq ($(UNAME_S), Darwin)
  NUM_CORES := $(shell /usr/sbin/sysctl -n hw.ncpu)
endif
ifeq ($(findstring CYGWIN,$(UNAME_S)), CYGWIN)
  ifneq ($(NUMBER_OF_PROCESSORS), )
    NUM_CORES := $(NUMBER_OF_PROCESSORS)
  else
    ifneq ($(HOTSPOT_BUILD_JOBS), )
      NUM_CORES := $(HOTSPOT_BUILD_JOBS)
    else
      NUM_CORES := 1 # fallback
    endif
  endif
endif

ifndef CONCURRENCY_FACTOR
  CONCURRENCY_FACTOR = 1
endif

# Concurrency based on min(cores / 2, 12) * CONCURRENCY_FACTOR
CONCURRENCY := $(shell $(AWK) \
  'BEGIN { \
    c = $(NUM_CORES) / 2; \
    if (c > 12) c = 12; \
    c = c * $(CONCURRENCY_FACTOR); \
    if (c < 1) c = 1; \
    printf "%.0f", c; \
  }')
JTREG_BASIC_OPTIONS += -concurrency:$(CONCURRENCY)

# Make sure MaxRAMPercentage is low enough to not cause OOM or swapping since
# we may end up with a lot of JVM's
MAX_RAM_PERCENTAGE := $(shell expr 25 / $(CONCURRENCY))
JTREG_BASIC_OPTIONS += -vmoption:-XX:MaxRAMPercentage=$(MAX_RAM_PERCENTAGE)

ifdef EXTRA_JTREG_OPTIONS
  JTREG_BASIC_OPTIONS += $(EXTRA_JTREG_OPTIONS)
endif

# Default JTREG to run
JTREG = $(JT_HOME)/bin/jtreg
# run in agentvm/othervm mode
JTREG_BASIC_OPTIONS += $(JTREG_VM_TYPE)
# Only run automatic tests
JTREG_BASIC_OPTIONS += -a
# Always turn on assertions
ifeq ($(USE_JTREG_ASSERT), true)
  JTREG_ASSERT_OPTION = -ea -esa
endif
JTREG_BASIC_OPTIONS += $(JTREG_ASSERT_OPTION)
# jtreg verbosity setting
# Default is to report details on all failed or error tests, times too
JTREG_VERBOSE ?= fail,error,time
JTREG_BASIC_OPTIONS += $(if $(JTREG_VERBOSE),-v:$(JTREG_VERBOSE))
# Retain all files for failing tests
JTREG_BASIC_OPTIONS += -retain:fail,error
# Ignore tests are not run and completely silent about it
JTREG_IGNORE_OPTION = -ignore:quiet
JTREG_BASIC_OPTIONS += $(JTREG_IGNORE_OPTION)
# Multiply by 4 the timeout factor
JTREG_TIMEOUT_OPTION =  -timeoutFactor:4
JTREG_BASIC_OPTIONS += $(JTREG_TIMEOUT_OPTION)
ifeq ($(LIMIT_JTREG_VM_MEMORY), true)
  # Set the max memory for jtreg control vm
  JTREG_MEMORY_OPTION = -J-Xmx512m
  JTREG_BASIC_OPTIONS += $(JTREG_MEMORY_OPTION)
  # Set the max memory for jtreg target test vms
  JTREG_TESTVM_MEMORY_OPTION = -vmoption:-Xmx512m
  JTREG_TEST_OPTIONS += $(JTREG_TESTVM_MEMORY_OPTION)
endif
# Make it possible to specify the JIB_DATA_DIR for tests using the
# JIB Artifact resolver
JTREG_BASIC_OPTIONS += -e:JIB_DATA_DIR
# Give tests access to JT_JAVA, see JDK-8141609
JTREG_BASIC_OPTIONS += -e:JDK8_HOME=${JT_JAVA}
# Give aot tests access to Visual Studio installation
ifneq ($(VS120COMNTOOLS), )
  JTREG_BASIC_OPTIONS += -e:VS120COMNTOOLS="$(shell $(GETMIXEDPATH) "$(patsubst %\,%,$(VS120COMNTOOLS))")"
endif

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

# Set other vm and test options
JTREG_TEST_OPTIONS += $(JAVA_ARGS:%=-javaoptions:%) $(JAVA_VM_ARGS:%=-vmoption:%)
ifneq ($(JIB_HOME), )
  JTREG_BASIC_OPTIONS += -e:JIB_HOME=$(shell $(GETMIXEDPATH) "$(JIB_HOME)")
endif
ifeq ($(IGNORE_MARKED_TESTS), true)
  # Option to tell jtreg to not run tests marked with "ignore"
  ifeq ($(PLATFORM), windows)
    JTREG_KEY_OPTION = -k:!ignore
  else
    JTREG_KEY_OPTION = -k:\!ignore
  endif
  JTREG_BASIC_OPTIONS += $(JTREG_KEY_OPTION)
endif

# Make sure jtreg exists
ifeq ($(USE_WINDOWS_EXISTENCE_CHECK), true)
  jtreg_exists:
	test -d $(shell $(GETMIXEDPATH) "$(JT_HOME)")
	test -f $(shell $(GETMIXEDPATH) "$(JTREG)")

else
  jtreg_exists: $(JT_HOME)
endif
PHONY_LIST += jtreg_exists

# Run jtreg
jtreg_tests: prep jtreg_exists $(PRODUCT_HOME) $(TEST_PREREQS)
	(                                                                    \
	  ( JT_HOME=$(shell $(GETMIXEDPATH) "$(JT_HOME)");                   \
	    export JT_HOME;                                                  \
	    $(shell $(GETMIXEDPATH) "$(JTREG)")                              \
	      $(JTREG_BASIC_OPTIONS)                                         \
	      -r:$(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/JTreport")  \
	      -w:$(shell $(GETMIXEDPATH) "$(ABS_TEST_OUTPUT_DIR)/JTwork")    \
	      -jdk:$(shell $(GETMIXEDPATH) "$(PRODUCT_HOME)")                \
	      $(JTREG_NATIVE_PATH)                                           \
	      $(JTREG_FAILURE_HANDLER_OPTIONS)                               \
	      $(JTREG_EXCLUSIONS)                                            \
	      $(JTREG_TEST_OPTIONS)                                          \
	      $(TEST_SELECTION)                                              \
	  ) ;                                                                \
	  $(BUNDLE_UP_AND_EXIT)                                              \
	) 2>&1 | $(TEE) $(ABS_TEST_OUTPUT_DIR)/output.txt ; $(TESTEXIT)

PHONY_LIST += jtreg_tests

# Make it possible to call this with <component>_jtreg_tests
%_jtreg_tests: jtreg_tests
	# Must have a fake recipe here to prevent make from matching any other rule

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

# Phony targets (e.g. these are not filenames)
.PHONY: all clean prep $(PHONY_LIST)

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