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testing: document that TestMain always runs before any benchmarks #45764

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ghost opened this issue Apr 26, 2021 · 2 comments
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testing: document that TestMain always runs before any benchmarks #45764

ghost opened this issue Apr 26, 2021 · 2 comments
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@ghost
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ghost commented Apr 26, 2021

The docs for TestMain say:

It is sometimes necessary for a test program to do extra setup
or teardown before or after testing.

https://golang.org/pkg/testing/#hdr-Main

But what if one needs to do extra setup before benchmarking? It appears that TestMain would also always run before benchmarks, but neither TestMain doc nor M.Run doc say anything about benchmarks.
@cherrymui cherrymui changed the title doc: document that TestMain always runs before any benchmarks testing: document that TestMain always runs before any benchmarks Apr 26, 2021
@cherrymui cherrymui added the NeedsFix The path to resolution is known, but the work has not been done. label Apr 26, 2021
@cherrymui cherrymui added this to the Backlog milestone Apr 26, 2021
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cc @mpvl @bcmills

JulienTant added a commit to JulienTant/go-1 that referenced this issue Apr 27, 2021
@JulienTant
document that TestMain can be used with benchmarks, fixes golang#45764
04b1551
JulienTant added a commit to JulienTant/go-1 that referenced this issue Apr 27, 2021
@JulienTant
document that TestMain can be used with benchmarks, fixes golang#45764
0941a0c
JulienTant added a commit to JulienTant/go-1 that referenced this issue Apr 27, 2021
@JulienTant
testing: document that TestMain can be used with benchmarks
8b6f838 
fixes golang#45764
@JulienTant JulienTant mentioned this issue Apr 27, 2021
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Change https://golang.org/cl/314349 mentions this issue: testing: document that TestMain can be used with benchmarks

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testing: document that TestMain can be used with benchmarks JulienTant/go-1
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