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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/basic/compression-random-data.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/basic/compression-random-data.js')
-rw-r--r-- | js/src/jit-test/tests/basic/compression-random-data.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/compression-random-data.js b/js/src/jit-test/tests/basic/compression-random-data.js new file mode 100644 index 0000000000..fa416142d3 --- /dev/null +++ b/js/src/jit-test/tests/basic/compression-random-data.js @@ -0,0 +1,26 @@ +// Deterministic Math.random, from Octane. +var seed = 49734321; +function rand() { + // Robert Jenkins' 32 bit integer hash function. + seed = ((seed + 0x7ed55d16) + (seed << 12)) & 0xffffffff; + seed = ((seed ^ 0xc761c23c) ^ (seed >>> 19)) & 0xffffffff; + seed = ((seed + 0x165667b1) + (seed << 5)) & 0xffffffff; + seed = ((seed + 0xd3a2646c) ^ (seed << 9)) & 0xffffffff; + seed = ((seed + 0xfd7046c5) + (seed << 3)) & 0xffffffff; + seed = ((seed ^ 0xb55a4f09) ^ (seed >>> 16)) & 0xffffffff; + return (seed & 0xfffffff) / 0x10000000; +} +var randomS = ""; +function test(len) { + const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + var s = "var data = '"; + while (randomS.length < len) { + randomS += chars.charAt((rand() * chars.length)|0); + } + s += randomS; + s += "'; function f() {}; assertEq(f.toString(), 'function f() {}');"; + eval(s); +} +for (var i=32740; i<32780; i += 5) { + test(i); +} |