encoding/json: modernize tests

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There are no changes to what is being tested.
No test cases were removed or added.

Changes made:
* Use a local implementation of test case position marking. See #52751.
* Use consistent names for all test tables and variables.
* Generally speaking, follow modern Go style guide for tests.
* Move global tables local to the test function if possible.
* Make every table entry run in a distinct testing.T.Run.

The purpose of this change is to make it easier to perform
v1-to-v2 development where we want v2 to support close to
bug-for-bug compatibility when running in v1 mode.

Annotating each test case with the location of the test data
makes it easier to jump directly to the test data itself
and understand why this particular case is failing.

Having every test case run in its own t.Run makes it easier
to isolate a particular failing test and work on fixing the code
until that test case starts to pass again.

Unfortunately, many tests are annotated with an empty name.
An empty name is better than nothing, since the testing framework
auto assigns a numeric ID for duplicate names.
It is not worth the trouble to give descriptive names to each
of the thousands of test cases.

Change-Id: I43905f35249b3d77dfca234b9c7808d40e225de8
Reviewed-on: https://go-review.googlesource.com/c/go/+/522880
Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Damien Neil <dneil@google.com>

...

This commit is contained in:

Joe Tsai 2023-08-24 12:49:10 -07:00 • committed by Damien Neil

parent 882a356ec0

commit 3b4d428ca0

7 changed files with 1521 additions and 1438 deletions

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src/encoding/json/decode_test.go

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