From 2ee412b50664ac662cd86a526f4e2ec905f3cabb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Thu, 10 Sep 2015 20:32:59 +0200
Subject: Reorganize the test suite

Use one file per topic, except for "uncategorizable" tests.
---
 test/core_app.mk | 1246 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1246 insertions(+)
 create mode 100644 test/core_app.mk

(limited to 'test/core_app.mk')

diff --git a/test/core_app.mk b/test/core_app.mk
new file mode 100644
index 0000000..825fe7a
--- /dev/null
+++ b/test/core_app.mk
@@ -0,0 +1,1246 @@
+# Core: Building applications.
+
+CORE_APP_CASES = asn1 error generate-erl generate-erl-include generate-erl-prepend hrl hrl-recursive mib no-app no-makedep xrl xrl-include yrl yrl-include
+CORE_APP_TARGETS = $(addprefix core-app-,$(CORE_APP_CASES))
+CORE_APP_CLEAN_TARGETS = $(addprefix clean-,$(CORE_APP_TARGETS))
+
+.PHONY: core-app $(CORE_APP_TARGETS) clean-core-app $(CORE_APP_CLEAN_TARGETS)
+
+clean-core-app: $(CORE_APP_CLEAN_TARGETS)
+
+$(CORE_APP_CLEAN_TARGETS):
+	$t rm -rf $(APP_TO_CLEAN)/
+
+core-app: $(CORE_APP_TARGETS)
+
+core-app-asn1: build clean-core-app-asn1
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .asn1 files from Erlang/OTP"
+	$t mkdir $(APP)/asn1/
+	$t curl -s -o $(APP)/asn1/CAP.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/CAP.asn1
+	$t curl -s -o $(APP)/asn1/Def.asn1 $(OTP_MASTER)/lib/asn1/test/asn1_SUITE_data/Def.asn1
+
+	$i "Generate .erl files dependent from headers generated by .asn1 files"
+	$t printf "%s\n" "-module(use_cap)." "-include(\"CAP.hrl\")." > $(APP)/src/use_cap.erl
+	$t printf "%s\n" "-module(use_def)." "-include(\"Def.hrl\")." > $(APP)/src/use_def.erl
+
+	$i "Generate an unrelated .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/unrelated.hrl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/CAP.beam
+	$t test -f $(APP)/ebin/Def.beam
+	$t test -f $(APP)/ebin/use_cap.beam
+	$t test -f $(APP)/ebin/use_def.beam
+	$t test -f $(APP)/include/CAP.asn1db
+	$t test -f $(APP)/include/CAP.hrl
+	$t test -f $(APP)/include/Def.asn1db
+	$t test -f $(APP)/include/Def.hrl
+	$t test -f $(APP)/src/CAP.erl
+	$t test -f $(APP)/src/Def.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .asn1 file; check that only required files are rebuilt"
+# The use_cap.erl gets touched because of its dependency to CAP.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/CAP.beam \
+		$(APP)/ebin/use_cap.beam \
+		$(APP)/include/CAP.asn1db \
+		$(APP)/include/CAP.hrl \
+		$(APP)/src/CAP.erl \
+		$(APP)/src/use_cap.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/asn1/CAP.asn1
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/asn1/CAP.asn1 | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/asn1/CAP.asn1
+	$t test -f $(APP)/asn1/Def.asn1
+	$t test -f $(APP)/include/unrelated.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_cap.erl
+	$t test -f $(APP)/src/use_def.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/include/CAP.asn1db
+	$t test ! -e $(APP)/include/CAP.hrl
+	$t test ! -e $(APP)/include/Def.asn1db
+	$t test ! -e $(APP)/include/Def.hrl
+	$t test ! -e $(APP)/src/CAP.erl
+	$t test ! -e $(APP)/src/Def.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/CAP.beam
+	$t test -f $(APP)/ebin/Def.beam
+	$t test -f $(APP)/ebin/use_cap.beam
+	$t test -f $(APP)/ebin/use_def.beam
+	$t test -f $(APP)/include/CAP.asn1db
+	$t test -f $(APP)/include/CAP.hrl
+	$t test -f $(APP)/include/Def.asn1db
+	$t test -f $(APP)/include/Def.hrl
+	$t test -f $(APP)/src/CAP.erl
+	$t test -f $(APP)/src/Def.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = ['CAP', 'Def', use_cap, use_def]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-error: build clean-core-app-error
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate a bad .erl files"
+	$t touch $(APP)/src/breaking.erl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Check that trying to build returns non-zero"
+	$t if $(MAKE) -C $(APP) $v; then false; fi
+
+core-app-generate-erl: build clean-core-app-generate-erl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Append rules to the Makefile to generate a .erl module"
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the script file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/script.sh
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/script.sh
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that the generated .erl file still exists"
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Add a rule to remove the generated .erl file on clean"
+	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
+
+	$i "Clean the application again"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that the generated .erl file was removed"
+	$t test ! -e $(APP)/src/generated.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-generate-erl-include: build clean-core-app-generate-erl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Append rules to the Makefile to generate a .erl module"
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@; echo \"-include(\\\"included.hrl\\\").\" >> \$$@" >> $(APP)/Makefile
+
+	$i "Generate the .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/included.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .hrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/included.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/included.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-generate-erl-prepend: build clean-core-app-generate-erl-prepend
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Create a fake script file to be used as dependency"
+	$t touch $(APP)/script.sh
+
+	$i "Generate a Makefile and prepend rules that generate a .erl module"
+	$t echo "PROJECT = $(APP)" > $(APP)/Makefile
+	$t echo ".DEFAULT_GOAL = all" >> $(APP)/Makefile
+	$t echo "\$$(PROJECT).d:: src/generated.erl" >> $(APP)/Makefile
+	$t echo "src/generated.erl:: script.sh; echo \"-module(generated).\" > \$$@" >> $(APP)/Makefile
+	$t echo "include erlang.mk" >> $(APP)/Makefile
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the script file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/generated.beam \
+		$(APP)/src/generated.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/script.sh
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/script.sh | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/script.sh
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that the generated .erl file still exists"
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Add a rule to remove the generated .erl file on clean"
+	$t echo "clean:: ; rm src/generated.erl" >> $(APP)/Makefile
+
+	$i "Clean the application again"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that the generated .erl file was removed"
+	$t test ! -e $(APP)/src/generated.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/generated.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/generated.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, generated, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-hrl: build clean-core-app-hrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-hrl-recursive: build clean-core-app-hrl-recursive
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/pill.hrl
+	$t echo "-include(\"pill.hrl\")." > $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the deepest .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl and pill.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/pill.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/pill.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/pill.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-mib: build clean-core-app-mib
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .mib files from Erlang/OTP"
+	$t mkdir $(APP)/mibs/
+	$t curl -s -o $(APP)/mibs/EX1-MIB.mib $(OTP_MASTER)/lib/snmp/examples/ex1/EX1-MIB.mib
+	$t curl -s -o $(APP)/mibs/OTP-REG.mib $(OTP_MASTER)/lib/otp_mibs/mibs/OTP-REG.mib
+
+	$i "Generate .erl files dependent from headers generated by .mib files"
+	$t printf "%s\n" "-module(use_v1)." "-include(\"EX1-MIB.hrl\")." > $(APP)/src/use_v1.erl
+	$t printf "%s\n" "-module(use_v2)." "-include(\"OTP-REG.hrl\")." > $(APP)/src/use_v2.erl
+
+	$i "Generate an unrelated .hrl file"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/unrelated.hrl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_v1.beam
+	$t test -f $(APP)/ebin/use_v2.beam
+	$t test -f $(APP)/include/EX1-MIB.hrl
+	$t test -f $(APP)/include/OTP-REG.hrl
+	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
+	$t test -f $(APP)/priv/mibs/OTP-REG.bin
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .mib file; check that only required files are rebuilt"
+# The use_v1.erl gets touched because of its dependency to EX1-MIB.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_v1.beam \
+		$(APP)/include/EX1-MIB.hrl \
+		$(APP)/priv/mibs/EX1-MIB.bin \
+		$(APP)/src/use_v1.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/mibs/EX1-MIB.mib
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/mibs/EX1-MIB.mib | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/unrelated.hrl
+	$t test -f $(APP)/mibs/EX1-MIB.mib
+	$t test -f $(APP)/mibs/OTP-REG.mib
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_v1.erl
+	$t test -f $(APP)/src/use_v2.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/include/EX1-MIB.hrl
+	$t test ! -e $(APP)/include/OTP-REG.hrl
+	$t test ! -e $(APP)/priv/mibs/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_v1.beam
+	$t test -f $(APP)/ebin/use_v2.beam
+	$t test -f $(APP)/include/EX1-MIB.hrl
+	$t test -f $(APP)/include/OTP-REG.hrl
+	$t test -f $(APP)/priv/mibs/EX1-MIB.bin
+	$t test -f $(APP)/priv/mibs/OTP-REG.bin
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_v1, use_v2]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-no-app: build clean-core-app-no-app
+
+	$i "Bootstrap a project without an OTP library"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+	$t rm -rf $(APP)/src
+
+	$i "Build the project"
+	$t $(MAKE) -C $(APP) $v
+
+core-app-no-makedep: build clean-core-app-no-makedep
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Set NO_MAKEDEP ?= 1 in the Makefile"
+	$t sed -i.bak '2i\
+NO_MAKEDEP ?= 1\
+' $(APP)/Makefile
+
+	$i "Generate .hrl files"
+	$t mkdir $(APP)/include/
+	$t touch $(APP)/include/blue.hrl $(APP)/include/red.hrl
+
+	$i "Generate .erl files dependent from headers"
+	$t printf "%s\n" "-module(use_blue)." "-include(\"blue.hrl\")." > $(APP)/src/use_blue.erl
+	$t printf "%s\n" "-module(use_red)." "-include(\"red.hrl\")." > $(APP)/src/use_red.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .hrl file; disable NO_MAKEDEP and check that only required files are rebuilt"
+# The use_red.erl gets touched because of its dependency to red.hrl.
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/use_red.beam \
+		$(APP)/src/use_red.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/include/red.hrl
+	$t NO_MAKEDEP= $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/include/red.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/include/blue.hrl
+	$t test -f $(APP)/include/red.hrl
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/use_blue.erl
+	$t test -f $(APP)/src/use_red.erl
+
+	$i "Check that all build artifacts are removed"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/use_blue.beam
+	$t test -f $(APP)/ebin/use_red.beam
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [use_blue, use_red]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-xrl: build clean-core-app-xrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .xrl files from Robert"
+	$t curl -s -o $(APP)/src/erlang_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/erlang_scan.xrl
+	$t curl -s -o $(APP)/src/lfe_scan.xrl https://raw.githubusercontent.com/rvirding/leex/master/examples/lfe_scan.xrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Disable warnings; our test .xrl files aren't perfect"
+	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/erlang_scan.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/lfe_scan.beam
+	$t test -f $(APP)/src/erlang_scan.erl
+	$t test -f $(APP)/src/lfe_scan.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .xrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/erlang_scan.beam \
+		$(APP)/src/erlang_scan.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/erlang_scan.xrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/erlang_scan.xrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/erlang_scan.xrl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/lfe_scan.xrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/erlang_scan.erl
+	$t test ! -e $(APP)/src/lfe_scan.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/erlang_scan.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/lfe_scan.beam
+	$t test -f $(APP)/src/erlang_scan.erl
+	$t test -f $(APP)/src/lfe_scan.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, erlang_scan, girl, lfe_scan]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-xrl-include: build clean-core-app-xrl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download a .xrl file with numerous includes from Gordon"
+	$t curl -s -o $(APP)/src/xfl_lexer.xrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/formula_engine-1.0/priv/xfl_lexer.xrl
+	$t curl -s -o $(APP)/src/errvals.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/errvals.hrl
+	$t curl -s -o $(APP)/src/muin_proc_dict.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_proc_dict.hrl
+	$t curl -s -o $(APP)/src/muin_records.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/muin_records.hrl
+	$t curl -s -o $(APP)/src/typechecks.hrl https://raw.githubusercontent.com/hypernumbers/hypernumbers/master/lib/hypernumbers-1.0/include/typechecks.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Disable warnings; our test .xrl files aren't perfect"
+	$t echo "ERLC_OPTS=+debug_info" >> $(APP)/Makefile
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xfl_lexer.beam
+	$t test -f $(APP)/src/xfl_lexer.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .xrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/xfl_lexer.xrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/xfl_lexer.xrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch a .hrl file included directly; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/typechecks.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/typechecks.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch a .hrl file included indirectly; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xfl_lexer.beam \
+		$(APP)/src/xfl_lexer.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/errvals.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/errvals.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/errvals.hrl
+	$t test -f $(APP)/src/muin_proc_dict.hrl
+	$t test -f $(APP)/src/muin_records.hrl
+	$t test -f $(APP)/src/typechecks.hrl
+	$t test -f $(APP)/src/xfl_lexer.xrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/xfl_lexer.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xfl_lexer.beam
+	$t test -f $(APP)/src/xfl_lexer.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xfl_lexer]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-yrl: build clean-core-app-yrl
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download .yrl files from Erlang/OTP"
+	$t curl -s -o $(APP)/src/xmerl_xpath_parse.yrl $(OTP_MASTER)/lib/xmerl/src/xmerl_xpath_parse.yrl
+	$t curl -s -o $(APP)/src/xref_parser.yrl $(OTP_MASTER)/lib/tools/src/xref_parser.yrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
+	$t test -f $(APP)/ebin/xref_parser.beam
+	$t test -f $(APP)/src/xmerl_xpath_parse.erl
+	$t test -f $(APP)/src/xref_parser.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch one .yrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/xref_parser.beam \
+		$(APP)/src/xref_parser.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/xref_parser.yrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/xref_parser.yrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/girl.erl
+	$t test -f $(APP)/src/xmerl_xpath_parse.yrl
+	$t test -f $(APP)/src/xref_parser.yrl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/xmerl_xpath_parse.erl
+	$t test ! -e $(APP)/src/xref_parser.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/ebin/xmerl_xpath_parse.beam
+	$t test -f $(APP)/ebin/xref_parser.beam
+	$t test -f $(APP)/src/xmerl_xpath_parse.erl
+	$t test -f $(APP)/src/xref_parser.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, girl, xmerl_xpath_parse, xref_parser]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+core-app-yrl-include: build clean-core-app-yrl-include
+
+	$i "Bootstrap a new OTP library named $(APP)"
+	$t mkdir $(APP)/
+	$t cp ../erlang.mk $(APP)/
+	$t $(MAKE) -C $(APP) -f erlang.mk bootstrap-lib $v
+
+	$i "Download a .yrl file with includes from Erlang/OTP"
+	$t curl -s -o $(APP)/src/core_parse.yrl $(OTP_MASTER)/lib/compiler/src/core_parse.yrl
+	$t curl -s -o $(APP)/src/core_parse.hrl $(OTP_MASTER)/lib/compiler/src/core_parse.hrl
+
+	$i "Generate unrelated .erl files"
+	$t echo "-module(boy)." > $(APP)/src/boy.erl
+	$t echo "-module(girl)." > $(APP)/src/girl.erl
+
+	$i "Build the application"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/core_parse.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/core_parse.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .yrl file; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/core_parse.beam \
+		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/core_parse.yrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/core_parse.yrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Touch the .hrl file included; check that only required files are rebuilt"
+	$t printf "%s\n" \
+		$(APP)/$(APP).d \
+		$(APP)/ebin/$(APP).app \
+		$(APP)/ebin/core_parse.beam \
+		$(APP)/src/core_parse.erl | sort > $(APP)/EXPECT
+	$t touch $(APP)/src/core_parse.hrl
+	$t $(MAKE) -C $(APP) $v
+	$t find $(APP) -type f -newer $(APP)/src/core_parse.hrl | sort | diff $(APP)/EXPECT -
+	$t rm $(APP)/EXPECT
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
+
+	$i "Clean the application"
+	$t $(MAKE) -C $(APP) clean $v
+
+	$i "Check that source files still exist"
+	$t test -f $(APP)/Makefile
+	$t test -f $(APP)/erlang.mk
+	$t test -f $(APP)/src/$(APP).app.src
+	$t test -f $(APP)/src/boy.erl
+	$t test -f $(APP)/src/core_parse.hrl
+	$t test -f $(APP)/src/core_parse.yrl
+	$t test -f $(APP)/src/girl.erl
+
+	$i "Check that all build artifacts are removed, including intermediates"
+	$t test ! -e $(APP)/$(APP).d
+	$t test ! -e $(APP)/ebin/
+	$t test ! -e $(APP)/src/core_parse.erl
+
+	$i "Build the application again"
+	$t $(MAKE) -C $(APP) $v
+
+	$i "Check that all compiled files exist"
+	$t test -f $(APP)/$(APP).d
+	$t test -f $(APP)/ebin/$(APP).app
+	$t test -f $(APP)/ebin/boy.beam
+	$t test -f $(APP)/ebin/core_parse.beam
+	$t test -f $(APP)/ebin/girl.beam
+	$t test -f $(APP)/src/core_parse.erl
+
+	$i "Check that the application was compiled correctly"
+	$t $(ERL) -pa $(APP)/ebin/ -eval " \
+		ok = application:start($(APP)), \
+		{ok, Mods = [boy, core_parse, girl]} \
+			= application:get_key($(APP), modules), \
+		[{module, M} = code:load_file(M) || M <- Mods], \
+		halt()"
-- 
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