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lib/strings-core tests: hand-main plumbing -> assert (@test conversion B4)

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bytes EXCLUDED: its green masked a real signalled corruption (filed;
conversion rides the fix). stringstest documents the per-row signalled
pinpoint loss.
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Hojun-Cho
2026-06-10 18:52:53 +09:00
parent b6d9201ef5
commit 612e6d149c
4 changed files with 485 additions and 648 deletions
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56
lib/ascii/asciitest.ww
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@@ -1,79 +1,73 @@
// asciitest — exercises lib/ascii case folding. Run with
// `ww run lib/ascii/asciitest.ww`. Same signalled-then-fail()-with-+10
// pattern as bytestest: a non-zero exit pinpoints the failing scenario.
// `ww run lib/ascii/asciitest.ww`. A failing row aborts via the
// assert/abort builtin (task #5 @test conversion).
//
// Vectors mirror Hare's @test fn strcasecmp in ref/hare/ascii/string.ha.
package ascii_test;
import ascii;
import os;
let signalled: i32 = 0;
fn fail() void = { os.exit(signalled + 10); };
// checkfold — one table row: strlower(in) == lo and strupper(in) == up.
fn checkfold(in: str, lo: str, up: str) void = {
match (ascii.strlower(in)) {
case let got: str => { if (got != lo) { fail(); }; };
case nomem => { fail(); };
case let got: str => { assert(!(got != lo)); };
case nomem => { abort(); };
};
match (ascii.strupper(in)) {
case let got: str => { if (got != up) { fail(); }; };
case nomem => { fail(); };
case let got: str => { assert(!(got != up)); };
case nomem => { abort(); };
};
};
// ref/hare/ascii/string.ha:70 case-fold vectors. The こ row pins that a
// UTF-8 multibyte sequence (all bytes >=0x80) passes through unchanged.
@test fn strfold_cases() void = {
signalled = 100; checkfold("ABC", "abc", "ABC");
signalled = 101; checkfold("abc", "abc", "ABC");
signalled = 102; checkfold("[[[", "[[[", "[[[");
signalled = 103; checkfold("こ", "こ", "こ");
signalled = 104; checkfold("", "", "");
signalled = 105; checkfold("aB1z", "ab1z", "AB1Z");
checkfold("ABC", "abc", "ABC");
checkfold("abc", "abc", "ABC");
checkfold("[[[", "[[[", "[[[");
checkfold("こ", "こ", "こ");
checkfold("", "", "");
checkfold("aB1z", "ab1z", "AB1Z");
};
// checkbuf — strlower_buf/strupper_buf into an exactly-sized buf.
fn checkbuf(in: str, lo: str, up: str) void = {
let lstore: [16]u8; let lbuf: []u8 = lstore[0:16]; lbuf.len = 0;
match (ascii.strlower_buf(in, lbuf)) {
case let got: str => { if (got != lo) { fail(); }; };
case nomem => { fail(); };
case let got: str => { assert(!(got != lo)); };
case nomem => { abort(); };
};
let ustore: [16]u8; let ubuf: []u8 = ustore[0:16]; ubuf.len = 0;
match (ascii.strupper_buf(in, ubuf)) {
case let got: str => { if (got != up) { fail(); }; };
case nomem => { fail(); };
case let got: str => { assert(!(got != up)); };
case nomem => { abort(); };
};
};
@test fn strfold_buf_cases() void = {
signalled = 110; checkbuf("ABC", "abc", "ABC");
signalled = 111; checkbuf("aB1z", "ab1z", "AB1Z");
signalled = 112; checkbuf("", "", "");
checkbuf("ABC", "abc", "ABC");
checkbuf("aB1z", "ab1z", "AB1Z");
checkbuf("", "", "");
// non-ASCII pins UTF-8 multibyte passthrough through the _buf path
// directly (all bytes >=0x80, untouched by the byte-wise fold).
signalled = 113; checkbuf("こ", "こ", "こ");
checkbuf("こ", "こ", "こ");
// cap exactly == s.len must succeed — pins the `<` boundary in the
// buf.cap check (a `<=` off-by-one would wrongly return nomem here).
signalled = 114;
let exact: [3]u8; let ebuf: []u8 = exact[0:3]; ebuf.len = 0;
match (ascii.strlower_buf("ABC", ebuf)) {
case let got: str => { if (got != "abc") { fail(); }; };
case nomem => { fail(); };
case let got: str => { assert(!(got != "abc")); };
case nomem => { abort(); };
};
signalled = 115;
let small: [2]u8; let sbuf: []u8 = small[0:2]; sbuf.len = 0;
match (ascii.strlower_buf("ABC", sbuf)) {
case let got: str => { fail(); };
case let got: str => { abort(); };
case nomem => void;
};
};
export fn main() i32 = {
signalled = 1; strfold_cases();
signalled = 2; strfold_buf_cases();
strfold_cases();
strfold_buf_cases();
return 0;
};