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Numbers can come from $(words ...), automatic variables such as $(MAKELEVEL), from environment variables, or from shell output such as through $(shell expr ...). The $(intcmp ...) function allows conditional evaluation controlled by numerical variables. * NEWS: Announce this feature. * doc/make.texi (Functions for Conditionals): Document 'intcmp'. * src/function.c (func_intcmp): Create the 'intcmp' built-in function. * tests/scripts/functions/intcmp: Test the 'intcmp' built-in function.
55 lines
1.6 KiB
Perl
55 lines
1.6 KiB
Perl
# -*-perl-*-
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$description = "Test the intcmp function.\n";
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$details = "Try various uses of intcmp and ensure they all give the correct
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results.\n";
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run_make_test('# Negative
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n = -10
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# Zero
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z = 0
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# Positive
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p = 1000000000
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.RECIPEPREFIX = >
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all:
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> @echo 0_1 $(intcmp $n,$n)
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> @echo 0_2 $(intcmp $n,$z)
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> @echo 0_3 $(intcmp $z,$n)
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> @echo 1_1 $(intcmp $n,$n,$(shell echo lt))
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> @echo 1_2 $(intcmp $n,$z,$(shell echo lt))
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> @echo 1_3 $(intcmp $z,$n,$(shell echo lt))
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> @echo 2_1 $(intcmp $n,$p,lt,ge)
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> @echo 2_2 $(intcmp $z,$z,lt,ge)
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> @echo 2_3 $(intcmp $p,$n,lt,ge)
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> @echo 3_0 $(intcmp $p,$n,lt,eq,)
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> @echo 3_1 $(intcmp $z,$p,lt,eq,gt)
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> @echo 3_2 $(intcmp $p,$z,lt,eq,gt)
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> @echo 3_3 $(intcmp $p,$p,lt,eq,gt)
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', '', "0_1 -10\n0_2\n0_3\n1_1\n1_2 lt\n1_3\n2_1 lt\n2_2 ge\n2_3 ge\n3_0\n3_1 lt\n3_2 gt\n3_3 eq\n");
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# Test error conditions
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run_make_test('
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intcmp-e1: ; @echo $(intcmp 12a,1,foo)
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intcmp-e2: ; @echo $(intcmp 0,,foo)
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intcmp-e3: ; @echo $(intcmp -1,9999999999999999999,foo)
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intcmp-e4: ; @echo $(intcmp -1)
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intcmp-e5: ; @echo $(intcmp ,55)',
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'intcmp-e1',
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"#MAKEFILE#:2: *** non-numeric first argument to 'intcmp' function: '12a'. Stop.",
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512);
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run_make_test(undef,
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'intcmp-e2',
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"#MAKEFILE#:3: *** non-numeric second argument to 'intcmp' function: ''. Stop.",
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512);
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run_make_test(undef,
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'intcmp-e3',
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"#MAKEFILE#:4: *** Numerical result out of range: '9999999999999999999'. Stop.",
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512);
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# This tells the test driver that the perl test script executed properly.
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1;
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