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1 #!/bin/sh
2 # =====================================
3 # POSIX Character Class Gap Tests
4 # =====================================
5 # Tests for POSIX character classes in bracket expressions
6 # Split from posix_compliance_gaps.sh for better organization
7
8 # Colors (POSIX-compliant way)
9 RED='\033[0;31m'
10 GREEN='\033[0;32m'
11 YELLOW='\033[1;33m'
12 BLUE='\033[0;34m'
13 NC='\033[0m'
14
15 # Test identification
16 TEST_PREFIX="[gaps-charclass]"
17 CURRENT_SECTION=""
18 TEST_NUM=0
19
20 PASSED=0
21 FAILED=0
22 SKIPPED=0
23 FAILED_TESTS_LIST=""
24
25 # Get script directory (POSIX way)
26 SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
27 SHELL_BIN="${SHELL_BIN:?ERROR: SHELL_BIN must be set}"
28 BASH_REF="${BASH_REF:-bash}"
29
30 # Check if shell binary exists
31 if [ ! -x "$SHELL_BIN" ]; then
32 printf "${RED}ERROR${NC}: shell binary not found at $SHELL_BIN\n"
33 printf "Please set SHELL_BIN or set SHELL_BIN environment variable\n"
34 exit 1
35 fi
36
37 pass() {
38 TEST_NUM=$((TEST_NUM + 1))
39 printf "${GREEN}✓ PASS${NC} ${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}: %s\n" "$1"
40 PASSED=$((PASSED + 1))
41 }
42
43 fail() {
44 TEST_NUM=$((TEST_NUM + 1))
45 TEST_ID="${TEST_PREFIX} ${CURRENT_SECTION}.${TEST_NUM}"
46 printf "${RED}✗ FAIL${NC} ${TEST_ID}: %s\n" "$1"
47 FAILED_TESTS_LIST="${FAILED_TESTS_LIST} ${TEST_ID}: $1\n"
48 if [ -n "$2" ]; then printf " posix: %s\n" "$2"; fi
49 if [ -n "$3" ]; then printf " shell: %s\n" "$3"; fi
50 FAILED=$((FAILED + 1))
51 }
52
53 section() {
54 CURRENT_SECTION=$(echo "$1" | grep -oE '^[0-9]+' || echo "0")
55 TEST_NUM=0
56 printf "\n${BLUE}==========================================\n%s\n==========================================${NC}\n" "$1"
57 }
58
59 normalize_output() { sed -e 's|^[^ ]*/[a-z]*sh[0-9]*: |sh: |' -e 's|^[a-z]*sh[0-9]*: |sh: |' -e 's/line [0-9]*: //'; }
60
61 compare_posix_output() {
62 test_name="$1"; command="$2"
63 posix_out=$("$BASH_REF" -c "$command" 2>&1 | normalize_output)
64 shell_out=$("$SHELL_BIN" -c "$command" 2>&1 | normalize_output)
65 if [ "$posix_out" = "$shell_out" ]; then pass "$test_name"
66 else fail "$test_name" "$posix_out" "$shell_out"; fi
67 }
68
69 # ============================================================================
70 # CHARACTER CLASS TESTS
71 # ============================================================================
72
73 section "1. CHARACTER CLASS ALNUM"
74 compare_posix_output "alnum a" 'case a in [[:alnum:]]) echo yes;; *) echo no;; esac'
75 compare_posix_output "alnum Z" 'case Z in [[:alnum:]]) echo yes;; *) echo no;; esac'
76 compare_posix_output "alnum 5" 'case 5 in [[:alnum:]]) echo yes;; *) echo no;; esac'
77 compare_posix_output "alnum excl" 'case "!" in [[:alnum:]]) echo yes;; *) echo no;; esac'
78
79 section "2. CHARACTER CLASS ALPHA"
80 compare_posix_output "alpha a" 'case a in [[:alpha:]]) echo yes;; *) echo no;; esac'
81 compare_posix_output "alpha Z" 'case Z in [[:alpha:]]) echo yes;; *) echo no;; esac'
82 compare_posix_output "alpha 5" 'case 5 in [[:alpha:]]) echo yes;; *) echo no;; esac'
83
84 section "3. CHARACTER CLASS DIGIT"
85 compare_posix_output "digit 0" 'case 0 in [[:digit:]]) echo yes;; *) echo no;; esac'
86 compare_posix_output "digit 9" 'case 9 in [[:digit:]]) echo yes;; *) echo no;; esac'
87 compare_posix_output "digit a" 'case a in [[:digit:]]) echo yes;; *) echo no;; esac'
88
89 section "4. CHARACTER CLASS LOWER"
90 compare_posix_output "lower a" 'case a in [[:lower:]]) echo yes;; *) echo no;; esac'
91 compare_posix_output "lower z" 'case z in [[:lower:]]) echo yes;; *) echo no;; esac'
92 compare_posix_output "lower A" 'case A in [[:lower:]]) echo yes;; *) echo no;; esac'
93
94 section "5. CHARACTER CLASS UPPER"
95 compare_posix_output "upper A" 'case A in [[:upper:]]) echo yes;; *) echo no;; esac'
96 compare_posix_output "upper Z" 'case Z in [[:upper:]]) echo yes;; *) echo no;; esac'
97 compare_posix_output "upper a" 'case a in [[:upper:]]) echo yes;; *) echo no;; esac'
98
99 section "6. CHARACTER CLASS SPACE"
100 compare_posix_output "space sp" 'case " " in [[:space:]]) echo yes;; *) echo no;; esac'
101 compare_posix_output "space tab" 'case " " in [[:space:]]) echo yes;; *) echo no;; esac'
102 compare_posix_output "space a" 'case a in [[:space:]]) echo yes;; *) echo no;; esac'
103
104 section "7. CHARACTER CLASS BLANK"
105 compare_posix_output "blank sp" 'case " " in [[:blank:]]) echo yes;; *) echo no;; esac'
106 compare_posix_output "blank tab" 'case " " in [[:blank:]]) echo yes;; *) echo no;; esac'
107 compare_posix_output "blank a" 'case a in [[:blank:]]) echo yes;; *) echo no;; esac'
108
109 section "8. CHARACTER CLASS PUNCT"
110 compare_posix_output "punct dot" 'case "." in [[:punct:]]) echo yes;; *) echo no;; esac'
111 compare_posix_output "punct excl" 'case "!" in [[:punct:]]) echo yes;; *) echo no;; esac'
112 compare_posix_output "punct a" 'case a in [[:punct:]]) echo yes;; *) echo no;; esac'
113
114 section "9. CHARACTER CLASS XDIGIT"
115 compare_posix_output "xdigit 0" 'case 0 in [[:xdigit:]]) echo yes;; *) echo no;; esac'
116 compare_posix_output "xdigit a" 'case a in [[:xdigit:]]) echo yes;; *) echo no;; esac'
117 compare_posix_output "xdigit F" 'case F in [[:xdigit:]]) echo yes;; *) echo no;; esac'
118 compare_posix_output "xdigit g" 'case g in [[:xdigit:]]) echo yes;; *) echo no;; esac'
119
120 section "10. CHARACTER CLASS PRINT GRAPH"
121 compare_posix_output "print a" 'case a in [[:print:]]) echo yes;; *) echo no;; esac'
122 compare_posix_output "print sp" 'case " " in [[:print:]]) echo yes;; *) echo no;; esac'
123 compare_posix_output "graph a" 'case a in [[:graph:]]) echo yes;; *) echo no;; esac'
124 compare_posix_output "graph sp" 'case " " in [[:graph:]]) echo yes;; *) echo no;; esac'
125
126 section "11. CHARACTER CLASS CNTRL"
127 compare_posix_output "cntrl a" 'case a in [[:cntrl:]]) echo yes;; *) echo no;; esac'
128
129 section "12. COMBINED CHARACTER CLASSES"
130 compare_posix_output "combo alpha digit a" 'case a in [[:alpha:][:digit:]]) echo yes;; *) echo no;; esac'
131 compare_posix_output "combo alpha digit 5" 'case 5 in [[:alpha:][:digit:]]) echo yes;; *) echo no;; esac'
132 compare_posix_output "combo alpha digit excl" 'case "!" in [[:alpha:][:digit:]]) echo yes;; *) echo no;; esac'
133
134 section "13. NEGATED CHARACTER CLASSES"
135 compare_posix_output "not digit a" 'case a in [^[:digit:]]) echo yes;; *) echo no;; esac'
136 compare_posix_output "not digit 5" 'case 5 in [^[:digit:]]) echo yes;; *) echo no;; esac'
137 compare_posix_output "not alpha bang" 'case a in [![:alpha:]]) echo yes;; *) echo no;; esac'
138
139 section "14. RANGE EXPRESSIONS"
140 compare_posix_output "range a-z m" 'case m in [a-z]) echo yes;; *) echo no;; esac'
141 compare_posix_output "range A-Z M" 'case M in [A-Z]) echo yes;; *) echo no;; esac'
142 compare_posix_output "range 0-9 5" 'case 5 in [0-9]) echo yes;; *) echo no;; esac'
143 compare_posix_output "range combo" 'case M in [a-zA-Z]) echo yes;; *) echo no;; esac'
144
145 section "15. BRACKET EDGE CASES"
146 compare_posix_output "literal hyphen start" 'case "-" in [-abc]) echo yes;; *) echo no;; esac'
147 compare_posix_output "literal hyphen end" 'case "-" in [abc-]) echo yes;; *) echo no;; esac'
148 compare_posix_output "literal caret" 'case "^" in [a^b]) echo yes;; *) echo no;; esac'
149 compare_posix_output "literal rbracket" 'case "]" in []abc]) echo yes;; *) echo no;; esac'
150
151 # Summary
152 printf "\n==========================================\n"
153 printf "CHARACTER CLASS GAP TEST RESULTS\n"
154 printf "==========================================\n"
155 printf "${GREEN}Passed:${NC} %d\n" "$PASSED"
156 printf "${RED}Failed:${NC} %d\n" "$FAILED"
157 printf "Total: %d\n" "$((PASSED + FAILED))"
158 if [ "$FAILED" -gt 0 ]; then
159 printf "\n${RED}Failed tests:${NC}\n%b" "$FAILED_TESTS_LIST"
160 exit 1
161 fi
162 exit 0