Files
ww/lib/fnmatch/fnmatchtest.ww
Hojun-Cho 612e6d149c lib/strings-core tests: hand-main plumbing -> assert (@test conversion B4)
bytes EXCLUDED: its green masked a real signalled corruption (filed;
conversion rides the fix). stringstest documents the per-row signalled
pinpoint loss.
2026-06-10 18:52:53 +09:00

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// fnmatchtest — exercises lib/fnmatch. Run with
// `out/bin/ww run lib/fnmatch/fnmatchtest.ww`.
//
// Table-driven via the [[check]] helper: every row is the uniform
// 4-tuple `(pattern, string, expected, flags)`. Cases follow Hare's
// ref/hare/fnmatch/+test.ha (the de-facto spec for this port);
// multibyte UTF-8 rows (わたし, ε) are skipped — our matcher is
// byte-wise and those would match byte-identically but obscure the
// ASCII semantics the test is asserting.
//
// Failure path: a miscompare aborts via the assert/abort builtin
// (task #5 @test conversion).
package fnmatch_test;
import fnmatch;
// check — pin one row. `flags` is taken as i32 and cast to
// fnmatch.flag so the test rows can read as integer bitmasks
// without dragging enum literals into every line.
fn check(pat: str, s: str, expected: bool, flags: i32) void = {
let f: fnmatch.flag = flags as fnmatch.flag;
assert(!(fnmatch.fnmatch(pat, s, f) != expected));
};
// ---- basic literal / wildcard cases ---------------------------------
@test fn basic() void = {
check("a", "a", true, 0);
check("b", "b", true, 0);
check("\0", "\0", true, 0);
check("abcde", "abcde", true, 0);
check("aaa", "bbb", false, 0);
check("ab*cde", "abcde", true, 0);
check("g*a", "gordana", true, 0);
check("ab*cde*foo*bar", "abcdefooba", false, 0);
check("*", "foo", true, 0);
check("aa*", "aafoo", true, 0);
check("bb*", "foo", false, 0);
check("*cc", "foocc", true, 0);
check("*dd", "foo", false, 0);
check("ra**ra", "rarara", true, 0);
check("x*yy*x", "xxyyyyyxxx", true, 0);
check("*", "*", true, 0);
check("*", "", true, 0);
check("****", "a", true, 0);
check("**a**", "a", true, 0);
check("****", "", true, 0);
check("?", "*", true, 0);
check("?", "", false, 0);
check("??", "a", false, 0);
check("??", "abc", false, 0);
check("?aa", "bbb", false, 0);
check("**?**", "", false, 0);
check("*?*?*?*?", "abcd", true, 0);
check("*?*?*?*?", "abc", false, 0);
};
// ---- bracket expressions: literal / range / negation ----------------
@test fn brackets() void = {
check("[b]", "b", true, 0);
check("a[b]c", "abc", true, 0);
check("a[b]c", "axc", false, 0);
check("[a-c]", "b", true, 0);
check("[a-z]", "a", true, 0);
check("[c-a]", "b", false, 0);
check("x[a-c]y", "xay", true, 0);
check("x[a-c]y", "xby", true, 0);
check("x[a-c]y", "xcy", true, 0);
check("x[a-c]y", "xzy", false, 0);
check("x[a-c]y", "xy", false, 0);
check("[a-c]*[a-c]", "axxxb", true, 0);
// Special members: '-' at start/end, ']' as first member.
check("[-]", "-", true, 0);
check("[.]", ".", true, 0);
check("[:ias]", ":", true, 0);
check("[-]", "a", false, 0);
check("[-ac]", "a", true, 0);
check("[-ac]", "-", true, 0);
check("[-ac]", "b", false, 0);
check("[ac-]", "a", true, 0);
check("[ac-]", "-", true, 0);
check("[ac-]", "b", false, 0);
// Equivalence-class-like syntax: invalid in Hare/POSIX.
check("[.a.]", "a", false, 0);
// Negation with '!'.
check("[!b]", "b", false, 0);
check("a[!b]c", "abc", false, 0);
check("a[!b]c", "axc", true, 0);
check("[!a-c]", "b", false, 0);
check("[!c-a]", "b", true, 0);
check("x[!a-c]y", "xay", false, 0);
check("x[!a-c]y", "xby", false, 0);
check("x[!a-c]y", "xcy", false, 0);
check("x[!a-c]y", "xzy", true, 0);
check("x[!a-c]y", "xy", false, 0);
check("[!a-c]*[!a-c]", "axxxb", false, 0);
check("[!-]", "-", false, 0);
check("[!-]", "a", true, 0);
check("[!-ac]", "a", false, 0);
check("[!-ac]", "-", false, 0);
check("[!-ac]", "b", true, 0);
};
// ---- POSIX character classes: [[:alnum:]] / [[:alpha:]] / ... -------
@test fn ctype() void = {
check("[[:alnum:]]", "7", true, 0);
check("[[:alpha:]]", "[", false, 0);
check("[[:alpha:]]", "[[", false, 0);
check("[[alpha:]]", "a]", true, 0);
check("[[alpha:]]", ":]", true, 0);
check("[[:alpha:]]", "a", true, 0);
check("[[:blank:]]", " ", true, 0);
// pin the ascii.is{blank,space,print,graph} predicates: their
// char-literal bounds are reachable only through these classes.
check("[[:blank:]]", "\t", true, 0);
check("[[:space:]]", " ", true, 0);
check("[[:space:]]", "\t", true, 0);
check("[[:space:]]", "x", false, 0);
check("[[:print:]]", "~", true, 0);
check("[[:print:]]", "\t", false, 0);
check("[[:graph:]]", "a", true, 0);
check("[[:graph:]]", " ", false, 0);
check("[[:alnum:]]a", "a]a", false, 0);
check("[[:alnum:][[:digit:]]", "a", true, 0);
check("[![:alnum:]]", "a", false, 0);
check("[![:alpha:]]", "[", true, 0);
check("[![:alnum:]]a", "a]a", false, 0);
check("[![:alpha:]]a", "[a", true, 0);
check("[![:alnum:][:digit:]]", "a", false, 0);
};
// ---- flag.PERIOD: leading '.' must be literal in the pattern --------
@test fn period() void = {
let fp: i32 = 4; // flag.PERIOD
check(".", ".", true, fp);
check("*", ".", false, fp);
check("?", ".", false, fp);
check("[.]", ".", false, fp);
check(".*", ".asdf", true, fp);
check(".*", "asdf", false, fp);
};
// ---- flag.NOESCAPE: '\\' loses its escape meaning -------------------
@test fn noescape() void = {
let nesc: i32 = 2; // flag.NOESCAPE
check("\\", "\\", true, nesc);
check("\\*", "\\asdf", true, nesc);
};
// ---- musl-adapted cases (no flags) ---------------------------------
@test fn musl_basic() void = {
check("*.c", "foo.c", true, 0);
check("*.c", ".c", true, 0);
check("*.a", "foo.c", false, 0);
check("*.c", ".foo.c", true, 0);
check("a\\*.c", "ax.c", false, 0);
check("a[xy].c", "ax.c", true, 0);
check("a[!y].c", "ax.c", true, 0);
check("-O[01]", "-O1", true, 0);
check("[[?*\\]", "\\", true, 0);
check("[]?*\\]", "]", true, 0);
check("[!]a-]", "b", true, 0);
check("[]-_]", "^", true, 0);
check("[!]-_]", "X", true, 0);
check("??", "-", false, 0);
// Without PATHNAME, `[...]` and `?` happily eat '/'.
check("[*]/b", "a/b", false, 0);
check("[*]/b", "*/b", true, 0);
check("[?]/b", "a/b", false, 0);
check("[?]/b", "?/b", true, 0);
check("[[a]/b", "a/b", true, 0);
check("[[a]/b", "[/b", true, 0);
check("\\*/b", "a/b", false, 0);
check("\\*/b", "*/b", true, 0);
check("\\?/b", "a/b", false, 0);
check("\\?/b", "?/b", true, 0);
check("[/b", "[/b", false, 0);
check("\\[/b", "[/b", true, 0);
check("a[/]b", "a/b", true, 0);
// "[![:d-d]" — bracket carrying a class-name start without
// proper close-bracket is treated as a non-class literal set.
// Hare's table asserts false in all three rows.
check("[![:d-d]", "b", false, 0);
check("[[:d-d]", "[", false, 0);
check("[![:d-d]", "[", false, 0);
};
// ---- flag.PATHNAME: '/' must be matched by literal '/' --------------
@test fn pathname() void = {
let fp: i32 = 1; // flag.PATHNAME
check("[a-z]/[a-z]", "a/b", true, fp);
check("a[/]b", "a/b", false, fp);
check("*", "a/b", false, fp);
check("*[/]b", "a/b", false, fp);
check("*[b]", "a/b", false, fp);
check("a[a/z]*.c", "a/x.c", false, fp);
check("a/*.c", "a/x.c", true, fp);
check("a*.c", "a/x.c", false, fp);
check("*/foo", "/foo", true, fp);
check("???b", "aa/b", false, fp);
};
// ---- flag.PERIOD + flag.PATHNAME combined ---------------------------
@test fn combined() void = {
let pp: i32 = 1; // PATHNAME
let fp: i32 = 4; // PERIOD
let pf: i32 = pp | fp;
check("?a/b", ".a/b", false, pf);
check("a/?b", "a/.b", false, pf);
check("*a/b", ".a/b", false, pf);
check("a/*b", "a/.b", false, pf);
check("[.]a/b", ".a/b", false, pf);
check("a/[.]b", "a/.b", false, pf);
check("*/?", "a/b", true, pf);
check("?/*", "a/b", true, pf);
check(".*/?", ".a/b", true, pf);
check("*/.?", "a/.b", true, pf);
check("*/*", "a/.b", false, pf);
check("*?*/*", "a/.b", true, fp);
check("*[.]/b", "a./b", true, pf);
check("*[[:alpha:]]/*[[:alnum:]]", "a/b", true, pp);
check("a?b", "a.b", true, pf);
check("a*b", "a.b", true, pf);
check("a[.]b", "a.b", true, pf);
check("*.c", ".foo.c", false, fp);
check("*.c", "foo.c", true, fp);
let nesc: i32 = 2; // NOESCAPE
check("a\\*.c", "a*.c", false, nesc);
};
export fn main() i32 = {
basic();
brackets();
ctype();
period();
noescape();
musl_basic();
pathname();
combined();
return 0;
};