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Fixed in 2018.1

Votes

10

Found in

5.6.0f3

Issue ID

913030

Regression

Yes

Severe performance regression in "Test Runner" (5.6.x compared to 5.5.x)

Unity Test Runner

-

Repro steps:

1. Open provided project in 5.6.x
2. Click on "Window" -> "Test Runner" ("Editor Tests Runner" for 5.5.x)
3. Click on "Run All" and measure the time it takes for the tests to finish
4. Repeat for 5.5.x

Expected result: The speed at which the tests run should be approximately the same for both of the versions
Actual result: In 5.6.x the speed at which the tests are run is significantly slower than in 5.5.x

Fixed in: 2018.1.0b1

Reproduced with: 5.6.1p1. 2017.1.0b6, 2017.2.0a1
Did not reproduce on: 5.5.3p4

Note:
All of the tests are like this: "[Test] public void Test001() { Assert.IsTrue(true); }"
In version 2017.x it's even slower
Added videos of all 3 major versions

Comments (2)

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    cyberflixtvapp

    Jan 21, 2020 15:20

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  2. 3b44b0782e1f2d93650cde15d819eaec?d=mm

    srivello

    Sep 05, 2017 11:59

    I experienced the same problems with the same versions above. 2017.1.0b6 was unusable due to this issue.

    However, in 2017.1.0p5 the issue is no longer present. At least in my example (100+ tests), it performs similar to 5.5.x. Not the same (likely because tests are each run in isolated scenes in > 5.5.x) and the results are acceptable and don't warrant a bug from my perspective.

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