Home | History | Annotate | Line # | Download | only in unit-tests 
      1  1.8  rillig # $NetBSD: varmod-l-name-to-value.mk,v 1.8 2023/11/19 21:47:52 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Tests for the :L modifier, which returns the variable name as the new value.
      4  1.1  rillig 
      5  1.3  rillig # The empty variable name leads to an empty string.
      6  1.3  rillig .if ${:L} != ""
      7  1.7  rillig .  error
      8  1.3  rillig .endif
      9  1.3  rillig 
     10  1.3  rillig # The variable name is converted into an expression with the variable name
     11  1.3  rillig # "VARNAME" and the value "VARNAME".
     12  1.3  rillig .if ${VARNAME:L} != "VARNAME"
     13  1.7  rillig .  error
     14  1.3  rillig .endif
     15  1.3  rillig 
     16  1.3  rillig # The value of the expression can be modified afterwards.
     17  1.3  rillig .if ${VARNAME:L:S,VAR,,} != "NAME"
     18  1.7  rillig .  error
     19  1.3  rillig .endif
     20  1.3  rillig 
     21  1.3  rillig # The name of the expression is still the same as before. Using the :L
     22  1.3  rillig # modifier, it can be restored.
     23  1.3  rillig #
     24  1.3  rillig # Hmmm, this can be used as a double storage or a backup mechanism.
     25  1.3  rillig # Probably unintended, but maybe useful.
     26  1.3  rillig .if ${VARNAME:L:S,VAR,,:L} != "VARNAME"
     27  1.7  rillig .  error
     28  1.3  rillig .endif
     29  1.1  rillig 
     30  1.5  rillig # Between 2020-09-22 (var.c 1.527) and 2020-09-30 (var.c 1.553), there was
     31  1.8  rillig # a bug in the evaluation of expressions.  Indirect modifiers like
     32  1.5  rillig # the below :L did not update the definedness of the enclosing expression.
     33  1.5  rillig # This resulted in a wrong "Malformed conditional".
     34  1.4  rillig .if ${value:${:UL}} == ""
     35  1.4  rillig .endif
     36  1.4  rillig 
     37  1.6  rillig # As of 2020-10-02, the :L modifier does not ensure that it is followed by
     38  1.6  rillig # a delimiter, that is, a ':' or endc.  Neither does the :P modifier.
     39  1.6  rillig .if ${value:LLLLLLPL} != "value"
     40  1.6  rillig .  error
     41  1.6  rillig .endif
     42  1.6  rillig 
     43  1.1  rillig all:
     44  1.1  rillig 	@:;
     45