23 lines
798 B
Plaintext
23 lines
798 B
Plaintext
// Vectors mirror ref/hare/strings/utf8.ha where ww can express them.
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// External strings_test package per the Go foo_test idiom (rule-5/9
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// carve-out, task #16); the shared streq helper lives in
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// helpers_test.ww — same-package test files compose in dir-mode
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// (the package, not the file, is the unit of testing).
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package strings_test;
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import strings;
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// ref/hare/strings/utf8.ha:31. Validation-half coverage lives in
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// lib/encoding/utf8 (utf8test) per CLAUDE.md rule 9 carve-out.
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@test fn utf8_roundtrip_cases() void = {
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let s: str = "hello";
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let b: []u8 = strings.toutf8(s);
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assert(!(b.len != 5));
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assert(!(b[0] != 104u8)); // 'h'
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let r: str = strings.frombytes(b);
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assert(!(!streq(r, "hello")));
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assert(!(r.ptr != s.ptr)); // borrowed, not copied
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assert(!(r.cap != r.len));
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};
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