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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/built-ins/Math/clz32/int32bit.js | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Math/clz32/int32bit.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Math/clz32/int32bit.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Math/clz32/int32bit.js b/js/src/tests/test262/built-ins/Math/clz32/int32bit.js new file mode 100644 index 0000000000..b1056a6e7f --- /dev/null +++ b/js/src/tests/test262/built-ins/Math/clz32/int32bit.js @@ -0,0 +1,49 @@ +// Copyright (C) 2016 The V8 Project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-math.clz32 +description: > + Catches the int32bit value in the ToUint32 operation +info: | + Math.clz32 ( x ) + + 1. Let n be ToUint32(x). + 2. Let p be the number of leading zero bits in the 32-bit binary representation of n. + 3. Return p. + + 7.1.6 ToUint32 ( argument ) + + [...] + 3. Let int be the mathematical value that is the same sign as number and whose + magnitude is floor(abs(number)). + 4. Let int32bit be int modulo 232. + 5. Return int32bit. + [...] +---*/ + +assert.sameValue(Math.clz32(4294967295), 0, "2**32-1"); +assert.sameValue(Math.clz32(4294967296), 32, "2**32"); +assert.sameValue(Math.clz32(4294967297), 31, "2**32+1"); + +assert.sameValue(Math.clz32(65535), 16, "2**16-1"); +assert.sameValue(Math.clz32(65536), 15, "2**16"); +assert.sameValue(Math.clz32(65537), 15, "2**16+1"); + +assert.sameValue(Math.clz32(255), 24, "2**8-1"); +assert.sameValue(Math.clz32(256), 23, "2**8"); +assert.sameValue(Math.clz32(257), 23, "2**8+1"); + +assert.sameValue(Math.clz32(-4294967295), 31, "-(2**32-1)"); +assert.sameValue(Math.clz32(-4294967296), 32, "-(2**32)"); +assert.sameValue(Math.clz32(-4294967297), 0, "-(2**32+1)"); + +assert.sameValue(Math.clz32(-65535), 0, "-(2**16-1)"); +assert.sameValue(Math.clz32(-65536), 0, "-(2**16)"); +assert.sameValue(Math.clz32(-65537), 0, "-(2**16+1)"); + +assert.sameValue(Math.clz32(-255), 0, "-(2**8-1)"); +assert.sameValue(Math.clz32(-256), 0, "-(2**8)"); +assert.sameValue(Math.clz32(-257), 0, "-(2**8+1)"); + +reportCompare(0, 0); |