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-rw-r--r--Build/source/utils/asymptote/tests/output/Makefile41
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diff --git a/Build/source/utils/asymptote/tests/output/Makefile b/Build/source/utils/asymptote/tests/output/Makefile
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+# Automated testing to see if the output of Asymptote scripts changes when the
+# program is modified.
+
+# How to call asy from the tests/output/name.out directory
+ASY=../../../asy
+
+TESTS=$(basename $(wildcard *.asy))
+
+# This command performs the testing on all scripts.
+diff: $(TESTS:=.diff)
+
+# This builds the reference copies of the output using a trusted version of asy
+ref: $(TESTS:=.ref)
+
+$(TESTS:=.ref) $(TESTS:=.out): %:
+ @echo Generating $@
+ @rm -rf $@
+ @mkdir $@
+ @cd $@; \
+ $(ASY) -keep ../$(basename $@) \
+ >$(basename $@).stdout 2>$(basename $@).stderr; \
+ ls >$(basename $@).ls; \
+ rm -f *.dvi *.pdf *.gif *.jpg *.jpeg *.png
+
+# Ignore lines with timestamps of the form hh:mm, since the time changes between
+# runs. This regex is fairly broad and it may need to be narrowed.
+$(TESTS:=.diff): %.diff: %.out
+ diff -I "[0-9][0-9]:[0-9][0-9]" -u $(@:.diff=.ref) $(@:.diff=.out)
+
+clean:
+ rm -rf *.out
+
+# The reference copies should only be built at the start, or when the behaviour
+# of Asymptote is intentionally changed, so they are not usually removed by make
+# clean.
+veryclean: clean
+ rm -rf *.ref
+
+# This tells make to build every dependency from scratch, ignoring the dates on
+# files.
+.PHONY: $(TESTS:=.ref) $(TESTS:=.out) $(TESTS:=.diff) diff ref clean veryclean