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assert: minor assert improvements #27525

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BridgeAR wants to merge 4 commits into from
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assert: minor assert improvements #27525

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2f86e62
assert: fix `assert.fail()` stack
BridgeAR May 1, 2019
2236e8e
assert: refine assertion message
BridgeAR May 1, 2019
d993bb9
assert: use less read operations
BridgeAR May 1, 2019
1ae3571
fixup! assert: use less read operations
BridgeAR May 3, 2019
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fixup! assert: use less read operations
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@BridgeAR
BridgeAR committed May 3, 2019
commit 1ae35715cc344b05ffda402746fcec33a2718666
4 changes: 2 additions & 2 deletions lib/assert.js
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Expand Up @@ -172,8 +172,8 @@ function getCode(fd, line, column) {
let lines = 0;
// Prevent blocking the event loop by limiting the maximum amount of
// data that may be read.
let maxReads = 2 ** 5; // bytesPerRead * maxReads = 512 kb
const bytesPerRead = 2 ** 14;
let maxReads = 32; // bytesPerRead * maxReads = 512 kb
const bytesPerRead = 16384;
// Use a single buffer up front that is reused until the call site is found.
let buffer = Buffer.allocUnsafe(bytesPerRead);
while (maxReads-- !== 0) {
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