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[src/trunk]: src/usr.bin/make/unit-tests make(1): add tests for edge cases in...



details:   https://anonhg.NetBSD.org/src/rev/99f24acaa19b
branches:  trunk
changeset: 957025:99f24acaa19b
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Nov 14 17:33:51 2020 +0000

description:
make(1): add tests for edge cases in parsing the command line

diffstat:

 usr.bin/make/unit-tests/opt.exp |  18 ++++++++++++++++++
 usr.bin/make/unit-tests/opt.mk  |  22 +++++++++++++++++++---
 2 files changed, 37 insertions(+), 3 deletions(-)

diffs (54 lines):

diff -r 3d933fa08b80 -r 99f24acaa19b usr.bin/make/unit-tests/opt.exp
--- a/usr.bin/make/unit-tests/opt.exp   Sat Nov 14 17:29:41 2020 +0000
+++ b/usr.bin/make/unit-tests/opt.exp   Sat Nov 14 17:33:51 2020 +0000
@@ -1,1 +1,19 @@
+make -:
+usage: make [-BeikNnqrstWwX] 
+            [-C directory] [-D variable] [-d flags] [-f makefile]
+            [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]
+            [-V variable] [-v variable] [variable=value] [target ...]
+*** Error code 2 (ignored)
+
+make -- -VAR=value -f /dev/null
+make: don't know how to make -f (continuing)
+`/dev/null' is up to date.
+
+make -?
+usage: make [-BeikNnqrstWwX] 
+            [-C directory] [-D variable] [-d flags] [-f makefile]
+            [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]
+            [-V variable] [-v variable] [variable=value] [target ...]
+*** Error code 2 (ignored)
+
 exit status 0
diff -r 3d933fa08b80 -r 99f24acaa19b usr.bin/make/unit-tests/opt.mk
--- a/usr.bin/make/unit-tests/opt.mk    Sat Nov 14 17:29:41 2020 +0000
+++ b/usr.bin/make/unit-tests/opt.mk    Sat Nov 14 17:33:51 2020 +0000
@@ -1,8 +1,24 @@
-# $NetBSD: opt.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $
+# $NetBSD: opt.mk,v 1.3 2020/11/14 17:33:51 rillig Exp $
 #
 # Tests for the command line options.
 
 # TODO: Implementation
 
-all:
-       @:;
+.MAKEFLAGS: -d0                        # make stdout line-buffered
+
+all: .IGNORE
+       # Just to see how the custom argument parsing code reacts to a syntax
+       # error.  The colon is used in the options string, marking an option
+       # that takes arguments.  It is not an option by itself, though.
+       ${MAKE} -:
+       @echo
+
+       # See whether a '--' stops handling of command line options, like in
+       # standard getopt programs.  Yes, it does, and it treats the '-f' as
+       # a target to be created.
+       ${MAKE} -- -VAR=value -f /dev/null
+       @echo
+
+       # This is the normal way to print the usage of a command.
+       ${MAKE} -?
+       @echo



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