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tests/bonsai: intcmp.mk: add a comment

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dtb 2024-08-04 09:05:20 -06:00
parent acdbecf178
commit cd5983b10b
Signed by: trinity
GPG Key ID: 34C0543BBB6AF81B
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tests/bonsai/intcmp.mk
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@ -13,6 +13,24 @@ intcmp_tests: intcmp_help intcmp_e intcmp_g intcmp_l intcmp_combined
intcmp_help: $(BIN)/intcmp
! $(BIN)/intcmp -h
# These test that integer comparisons are working as they should. For the sake
# of readability (to facilitate faster skimming) these recipes follow a
# columned format:
# $binary -flags d d d d # op
# For flag meanings reference intcmp(1) (though they are somewhat self
# explanatory). d here refers to a decimal number; a mixture of 1s, 2s, and 3s
# (a particularly lovely number) arranged to demonstrate easily the operation
# under scrutiny. The commented op is the operation that is true for the given
# numbers. For example:
# $(BIN)/intcmp -e 3 3 3 3 # ==
# op here is ==; 3 == 3 == 3 == 3. The flag being used is -e, to test for
# equality, so this test should succeed.
# ! $(BIN)/intcmp -l 3 2 1 # >
# op here is >; 3 > 2 > 1. The flag being used is -l, to test for each integer
# being less than the next, so intcmp should fail - hence the ! at the start of
# the invocation. If this test failed, intcmp(1) would be confusing -l for -g,
# so that would be a good place to start looking for bugs.
.PHONY: intcmp_e
intcmp_e: $(BIN)/intcmp
$(BIN)/intcmp -e 3 3 3 # ==