#                                                                    -*-perl-*-

$description = "Test the behaviour of the .ONESHELL target.";

$details = "";

my $multi_ok = 0;

if ($port_type ne 'W32') {
    # Some shells (*shakes fist at Solaris*) cannot handle multiple flags in
    # separate arguments.
    my $t = `$sh_name -e -c true 2>/dev/null`;
    $multi_ok = $? == 0;
}

# Simple

run_make_test(q!
.ONESHELL:
all:
	a=$$$$
	[ 0"$$a" -eq "$$$$" ] || echo fail
!,
              '', 'a=$$
[ 0"$a" -eq "$$" ] || echo fail
');

# Simple but use multi-word SHELLFLAGS

if ($multi_ok) {
    run_make_test(q!
.ONESHELL:
.SHELLFLAGS = -e -c
all:
	a=$$$$
	[ 0"$$a" -eq "$$$$" ] || echo fail
!,
              '', 'a=$$
[ 0"$a" -eq "$$" ] || echo fail
');
}

# Again, but this time with inner prefix chars

run_make_test(q!
.ONESHELL:
all:
	a=$$$$
	@-+    [ 0"$$a" -eq "$$$$" ] || echo fail
!,
              '', 'a=$$
[ 0"$a" -eq "$$" ] || echo fail
');

# This time with outer prefix chars

run_make_test(q!
.ONESHELL:
all:
	   @a=$$$$
	    [ 0"$$a" -eq "$$$$" ] || echo fail
!,
              '', '');


# This time with outer and inner prefix chars

run_make_test(q!
.ONESHELL:
all:
	   @a=$$$$
	    -@     +[ 0"$$a" -eq "$$$$" ] || echo fail
!,
              '', '');


# Now try using a different interpreter
# This doesn't work on Windows right now
if ($port_type ne 'W32') {
    run_make_test(q!
.RECIPEPREFIX = >
.ONESHELL:
SHELL = #PERL#
.SHELLFLAGS = -e
all:
>	   @$$a=5
>	    +7;
>	@y=qw(a b c);
>print "a = $$a, y = (@y)\n";
!,
                  '', "a = 12, y = (a b c)\n");

    # Simple .SHELLFLAGS, no quotes.
    # sv 61805.
    run_make_test(q!
.ONESHELL:
SHELL = #PERL#
.SHELLFLAGS = -e
all:; @print "it works\n"
!, '', 'it works');

    # Pass a quoted string with spaces to oneshell.
    # sv 61805.
    run_make_test(q!
.ONESHELL:
SHELL = #PERL#
.SHELLFLAGS = -w -E 'use warnings FATAL => "all";' -E
all:; @print "it works\n"
!, '', 'it works');

    # Empty .SHELLFLAGS.
    # sv 61805.
    run_make_test(q!
.ONESHELL:
SHELL = #PERL#
.SHELLFLAGS =
all:; @print "it works"
!, '', "Can't open perl script \"print \"it works\"\": $ERR_no_such_file\n#MAKE#: *** [#MAKEFILE#:5: all] Error $ERR_no_such_file_code", 512);

    # No .SHELLFLAGS.
    # sv 61805.
    run_make_test(q!
.ONESHELL:
SHELL = #PERL#
all:; @print "it works"
!, '', "Can't open perl script \"print \"it works\"\": $ERR_no_such_file\n#MAKE#: *** [#MAKEFILE#:4: all] Error $ERR_no_such_file_code", 512);

    # Pass a quoted string with spaces to oneshell.
    # sv 61805.
    run_make_test(q!
.ONESHELL:
SHELL = #PERL#
.SHELLFLAGS = -w -E 'use warnings FATAL => "all";' -E 'my $$foo = "bar";' -E
all:; @print "it works: $$foo\n"
!, '', 'it works: bar');
}

# This tells the test driver that the perl test script executed properly.
1;

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