Initial import

2026-07-04 20:44:28 +02:00
commit b3ae18d911
7 changed files with 456 additions and 0 deletions
@@ -0,0 +1,92 @@
+#!/bin/sh
+# POSIX smoke for the agent-facing lines tool.
+# req: cli/001
+# req: cli/001.e1
+# req: cli/002
+# req: robustness/001
+# req: robustness/002
+# req: robustness/003
+# req: robustness/004
+# req: robustness/005
+# req: verification/001
+# req: verification/002
+
+set -eu
+
+bin=${1:-zig-out/bin/lines}
+tmp=${TMPDIR:-/tmp}/lines-smoke.$$
+trap 'rm -f "$tmp".*' EXIT HUP INT TERM
+
+printf 'a\nb\nc\n' > "$tmp.in"
+printf 'b\nc\n' > "$tmp.want"
+"$bin" "$tmp.in" 2 3 > "$tmp.out"
+cmp "$tmp.want" "$tmp.out"
+
+"$bin" --help > "$tmp.out"
+grep 'stdout: selected file lines only' "$tmp.out" >/dev/null
+grep 'exit status:' "$tmp.out" >/dev/null
+grep 'No writes, no regex, no program language' "$tmp.out" >/dev/null
+
+: > "$tmp.empty"
+"$bin" "$tmp.empty" 1 > "$tmp.out"
+[ ! -s "$tmp.out" ]
+
+printf 'tail-no-newline' > "$tmp.nonewline"
+printf 'tail-no-newline' > "$tmp.want"
+"$bin" "$tmp.nonewline" 1 > "$tmp.out"
+cmp "$tmp.want" "$tmp.out"
+
+printf 'a\r\nb\r\n' > "$tmp.crlf"
+printf 'b\r\n' > "$tmp.want"
+"$bin" "$tmp.crlf" 2 > "$tmp.out"
+cmp "$tmp.want" "$tmp.out"
+
+awk 'BEGIN { for (i = 0; i < 70000; i++) printf "x"; printf "\nsecond\n" }' > "$tmp.long"
+awk 'BEGIN { for (i = 0; i < 70000; i++) printf "x"; printf "\n" }' > "$tmp.want"
+"$bin" "$tmp.long" 1 > "$tmp.out"
+cmp "$tmp.want" "$tmp.out"
+
+printf 'ok\n\377\000x\n' > "$tmp.binary"
+printf '\377\000x\n' > "$tmp.want"
+"$bin" "$tmp.binary" 2 > "$tmp.out"
+cmp "$tmp.want" "$tmp.out"
+
+"$bin" "$tmp.in" 18446744073709551615 > "$tmp.out"
+[ ! -s "$tmp.out" ]
+
+if "$bin" "$tmp.in" 0 > "$tmp.out" 2> "$tmp.err"; then
+    echo 'smoke: invalid START unexpectedly succeeded' >&2
+    exit 1
+fi
+[ ! -s "$tmp.out" ]
+grep 'START must be positive' "$tmp.err" >/dev/null
+
+if "$bin" "$tmp.in" 3 2 > "$tmp.out" 2> "$tmp.err"; then
+    echo 'smoke: END < START unexpectedly succeeded' >&2
+    exit 1
+fi
+[ ! -s "$tmp.out" ]
+grep 'END must be >= START' "$tmp.err" >/dev/null
+
+if "$bin" "$tmp.missing" 1 > "$tmp.out" 2> "$tmp.err"; then
+    echo 'smoke: missing file unexpectedly succeeded' >&2
+    exit 1
+fi
+[ ! -s "$tmp.out" ]
+grep 'lines: .*missing' "$tmp.err" >/dev/null
+
+if [ "$(id -u)" -ne 0 ]; then
+    printf 'secret\n' > "$tmp.denied"
+    chmod 000 "$tmp.denied"
+    if "$bin" "$tmp.denied" 1 > "$tmp.out" 2> "$tmp.err"; then
+        chmod 600 "$tmp.denied"
+        echo 'smoke: permission-denied file unexpectedly succeeded' >&2
+        exit 1
+    fi
+    chmod 600 "$tmp.denied"
+    [ ! -s "$tmp.out" ]
+    grep 'lines: .*denied' "$tmp.err" >/dev/null
+fi
+
+"$bin" "$tmp.long" 1 2 2> "$tmp.err" | head -n 1 > /dev/null
+[ ! -s "$tmp.err" ]