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Diffstat (limited to 'src/kmk/tests/scripts/functions/call')
-rw-r--r-- | src/kmk/tests/scripts/functions/call | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/kmk/tests/scripts/functions/call b/src/kmk/tests/scripts/functions/call new file mode 100644 index 0000000..dc1a623 --- /dev/null +++ b/src/kmk/tests/scripts/functions/call @@ -0,0 +1,92 @@ +# -*-perl-*- +$description = "Test the call function.\n"; + +$details = "Try various uses of call and ensure they all give the correct +results.\n"; + +run_make_test(q! +# Simple, just reverse two things +# +reverse = $2 $1 + +# A complex 'map' function, using recursive 'call'. +# +map = $(foreach a,$2,$(call $1,$a)) + +# Test using a builtin; this is silly as it's simpler to do without call +# +my-notdir = $(call notdir,$(1)) + +# Test using non-expanded builtins +# +my-foreach = $(foreach $(1),$(2),$(3)) +my-if = $(if $(1),$(2),$(3)) + +# Test recursive invocations of call with different arguments +# +one = $(1) $(2) $(3) +two = $(call one,$(1),foo,$(2)) + +# Test recursion on the user-defined function. As a special case make +# won't error due to this. +# Implement transitive closure using $(call ...) +# +DEP_foo = bar baz quux +DEP_baz = quux blarp +rest = $(wordlist 2,$(words ${1}),${1}) +tclose = $(if $1,$(firstword $1)\ + $(call tclose,$(sort ${DEP_$(firstword $1)} $(call rest,$1)))) + +all: ; @echo '$(call reverse,bar,foo)'; \ + echo '$(call map,origin,MAKE reverse map)'; \ + echo '$(call my-notdir,a/b c/d e/f)'; \ + echo '$(call my-foreach)'; \ + echo '$(call my-foreach,a,,,)'; \ + echo '$(call my-if,a,b,c)'; \ + echo '$(call two,bar,baz)'; \ + echo '$(call tclose,foo)'; +!, + "", "foo bar\ndefault file file\nb d f\n\n\nb\nbar foo baz\nfoo bar baz blarp quux \n"); + +# These won't work because call expands all its arguments first, before +# passing them on, then marks them as resolved/simple, so they're not +# expanded again by the function. +# +# echo '$(call my-foreach,a,x y z,$$(a)$$(a))'; \ +# echo '$(call my-if,,$$(info don't print this),$$(info do print this))' +# +# $answer = "xx yy zz\ndo print this\n"; + +# TEST eclipsing of arguments when invoking sub-calls + +run_make_test(q! +all = $1 $2 $3 $4 $5 $6 $7 $8 $9 + +level1 = $(call all,$1,$2,$3,$4,$5) +level2 = $(call level1,$1,$2,$3) +level3 = $(call level2,$1,$2,$3,$4,$5) + +all: + @echo $(call all,1,2,3,4,5,6,7,8,9,10,11) + @echo $(call level1,1,2,3,4,5,6,7,8) + @echo $(call level2,1,2,3,4,5,6,7,8) + @echo $(call level3,1,2,3,4,5,6,7,8) +!, + "", "1 2 3 4 5 6 7 8 9\n1 2 3 4 5\n1 2 3\n1 2 3\n"); + +# Ensure that variables are defined in global scope even in a $(call ...) + +delete $ENV{X123}; + +run_make_test(' +tst = $(eval export X123) +$(call tst) +all: ; @echo "$${X123-not set}" +', + '', "\n"); + +1; + +### Local Variables: +### eval: (setq whitespace-action (delq 'auto-cleanup whitespace-action)) +### End: |