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Add test coverage for StringBuf.with-capacity #5

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Merged
hellerve merged 2 commits into from
Jul 5, 2026
Merged

Add test coverage for StringBuf.with-capacity #5

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fe1c8bd
Add test coverage for StringBuf.with-capacity
Jul 4, 2026
e1c717e
Rename misleading with-capacity 0 test and add a usability check
Jul 5, 2026
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22 changes: 21 additions & 1 deletion test/strbuf.carp
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Original file line number Diff line number Diff line change
Expand Up @@ -135,4 +135,24 @@
(StringBuf.delete sb)
(StringBuf.delete sb2)
s))
"copy produces independent clone"))
"copy produces independent clone")

(assert-equal test
"hello"
&(let-do [sb (StringBuf.with-capacity 4)]
(StringBuf.append-str &sb "hello")
(let-do [s (StringBuf.to-string &sb)] (StringBuf.delete sb) s))
"with-capacity grows past initial capacity")

(assert-equal test
0
(let [sb (StringBuf.with-capacity 0)]
(let-do [l (StringBuf.length &sb)] (StringBuf.delete sb) l))
"with-capacity 0 yields an empty buffer")

(assert-equal test
"hello"
&(let-do [sb (StringBuf.with-capacity 0)]
(StringBuf.append-str &sb "hello")
(let-do [s (StringBuf.to-string &sb)] (StringBuf.delete sb) s))
"with-capacity 0 buffer grows and is usable"))
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