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jscript: Properly support overloaded values in to_int32.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2018-04-11 19:36:00 +02:00 committed by Alexandre Julliard
parent c06d362b68
commit f96aa1f32c
2 changed files with 14 additions and 1 deletions
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9
dlls/jscript/jsutils.c
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@ -659,11 +659,18 @@ HRESULT to_int32(script_ctx_t *ctx, jsval_t v, INT *ret)
double n;
HRESULT hres;
const double p32 = (double)0xffffffff + 1;
hres = to_number(ctx, v, &n);
if(FAILED(hres))
return hres;
*ret = is_finite(n) ? n : 0;
if(is_finite(n))
n = n > 0 ? fmod(n, p32) : -fmod(-n, p32);
else
n = 0;
*ret = (UINT32)n;
return S_OK;
}

6
dlls/jscript/tests/lang.js
View File

@ -632,6 +632,12 @@ tmp = 10;
ok((tmp |= 0x10) === 26, "tmp(10) |= 0x10 !== 26");
ok(getVT(tmp) === "VT_I4", "getVT(tmp |= 10) = " + getVT(tmp));
tmp = (123 * Math.pow(2,32) + 2) | 0;
ok(tmp === 2, "123*2^32+2 | 0 = " + tmp);
tmp = (-123 * Math.pow(2,32) + 2) | 0;
ok(tmp === 2, "123*2^32+2 | 0 = " + tmp);
tmp = 3 & 5;
ok(tmp === 1, "3 & 5 !== 1");
ok(getVT(tmp) === "VT_I4", "getVT(3|5) = " + getVT(tmp));