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test: fix TestNewAnyWithCustomTypeURLWithErrorNoAllocation test failure #11715

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julienrbrt
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Description

Closes: #11664


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@julienrbrt julienrbrt changed the title tests: fix TestNewAnyWithCustomTypeURLWithErrorNoAllocation failure test: fix TestNewAnyWithCustomTypeURLWithErrorNoAllocation test failure Apr 21, 2022
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codecov bot commented Apr 21, 2022

Codecov Report

Merging #11715 (34c128a) into master (c01b825) will decrease coverage by 0.00%.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff             @@
##           master   #11715      +/-   ##
==========================================
- Coverage   65.93%   65.93%   -0.01%     
==========================================
  Files         667      667              
  Lines       70460    70460              
==========================================
- Hits        46460    46459       -1     
- Misses      21304    21305       +1     
  Partials     2696     2696              
Impacted Files Coverage Δ
crypto/keys/internal/ecdsa/privkey.go 82.45% <0.00%> (-1.76%) ⬇️

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@alexanderbez alexanderbez left a comment

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@julienrbrt can you explain the fix? What does runtime.GC() do in this context and why does it solve the problem?

@@ -28,6 +28,9 @@ var eom = &errOnMarshal{}
// Ensure that returning an error doesn't suddenly allocate and waste bytes.
// See https://github.com/cosmos/cosmos-sdk/issues/8537
func TestNewAnyWithCustomTypeURLWithErrorNoAllocation(t *testing.T) {
// make sure we're not in the middle of a GC.
runtime.GC()
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So the fix is just to run garbage collection prior to future runtime calls, I see.

…eurlwitherrornoallocation-flakey-race-test-failure
@alexanderbez alexanderbez merged commit f421b95 into master Apr 21, 2022
@alexanderbez alexanderbez deleted the julien/11664-tests-testnewanywithcustomtypeurlwitherrornoallocation-flakey-race-test-failure branch April 21, 2022 14:09
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tests: TestNewAnyWithCustomTypeURLWithErrorNoAllocation flakey race test failure
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