faae3ee83c
Big thanks go to sjg, who discovered the bug and did the main work to track it down. In the unit tests for the :u modifier from the previous commit, I had forgotten to actually add the :u modifier at the end. I added it now and also added a few other tests. It's better to have a few more tests than too few.
40 lines
987 B
Makefile
40 lines
987 B
Makefile
# $NetBSD: varmod-unique.mk,v 1.4 2020/08/31 17:41:38 rillig Exp $
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#
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# Tests for the :u variable modifier, which discards adjacent duplicate
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# words.
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.if ${:U1 2 1:u} != "1 2 1"
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. warning The :u modifier only merges _adjacent_ duplicate words.
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.endif
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.if ${:U1 2 2 3:u} != "1 2 3"
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. warning The :u modifier must merge adjacent duplicate words.
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.endif
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.if ${:U:u} != ""
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. warning The :u modifier must do nothing with an empty word list.
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.endif
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.if ${:U1:u} != "1"
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. warning The :u modifier must do nothing with a single-element word list.
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.endif
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.if ${:U1 1 1 1 1 1 1 1:u} != "1"
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. warning The :u modifier must merge _all_ adjacent duplicate words.
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.endif
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.if ${:U 1 2 1 1 :u} != "1 2 1"
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. warning The :u modifier must normalize whitespace between the words.
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.endif
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.if ${:U1 1 1 1 2:u} != "1 2"
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. warning Duplicate words at the beginning must be merged.
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.endif
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.if ${:U1 2 2 2 2:u} != "1 2"
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. warning Duplicate words at the end must be merged.
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.endif
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all:
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@:;
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