1	#!/bin/bash
2	#
3	# word-eval.test.sh: Test the word evaluation pipeline in order.
4	#
5	# Part evaluation, splitting, joining, elision, globbing.
6
7	# TODO: Rename word-eval-smoke.test.sh?
8	# Word sequence evaluation.
9	# This is more like a vertical slice. For exhaustive tests, see:
10	#
11	# word-split.test.sh (perhaps rename word-reframe?)
12	# glob.test.sh
13
14	### Evaluation of constant parts
15	argv.py bare 'sq'
16	# stdout: ['bare', 'sq']
17
18	### Evaluation of each part
19	#set -o noglob
20	HOME=/home/bob
21	str=s
22	array=(a1 a2)
23	argv.py bare 'sq' ~ $str "-${str}-" "${array[@]}" $((1+2)) $(echo c) `echo c`
24	# stdout: ['bare', 'sq', '/home/bob', 's', '-s-', 'a1', 'a2', '3', 'c', 'c']
25	# N-I dash stdout-json: ""
26	# N-I dash status: 2
27
28	### Word splitting
29	s1='1 2'
30	s2='3 4'
31	s3='5 6'
32	argv.py $s1$s2 "$s3"
33	# stdout: ['1', '23', '4', '5 6']
34
35	### Word joining
36	set -- x y z
37	s1='1 2'
38	array=(a1 a2)
39	argv.py $s1"${array[@]}"_"$@"
40	# stdout: ['1', '2a1', 'a2_x', 'y', 'z']
41	# N-I dash stdout-json: ""
42	# N-I dash status: 2
43
44	### Word elision
45	s1=''
46	argv.py $s1 - "$s1"
47	# stdout: ['-', '']
48
49	### Word elision with space
50	s1=' '
51	argv.py $s1
52	# stdout: []
53
54	### Word elision with non-whitespace IFS
55	# Treated differently than the default IFS. What is the rule here?
56	IFS=_
57	s1='_'
58	argv.py $s1
59	# stdout: ['']
60
61	### Default values -- more cases
62	argv ${undef:-hi} ${undef:-'a b'} "${undef:-c d}" "${un:-"e f"}" "${un:-'g h'}"
63	# stdout: ['hi', 'a b', 'c d', 'e f', "'g h'"]
64
65	### Globbing after splitting
66	touch _tmp/foo.gg _tmp/bar.gg _tmp/foo.hh
67	pat='_tmp/*.hh _tmp/*.gg'
68	argv $pat
69	# stdout: ['_tmp/foo.hh', '_tmp/bar.gg', '_tmp/foo.gg']
70
71	### Globbing escaping
72	touch '_tmp/[bc]ar.mm' # file that looks like a glob pattern
73	touch _tmp/bar.mm _tmp/car.mm
74	argv '_tmp/[bc]'*.mm - _tmp/?ar.mm
75	# stdout: ['_tmp/[bc]ar.mm', '-', '_tmp/bar.mm', '_tmp/car.mm']
76
77	### Assignment Causes Array Decay
78	set -- x y z
79	#argv "[$@]" # NOT DECAYED here.
80	var="[$@]"
81	argv "$var"
82	# stdout: ['[x y z]']