tint->dawn: Move src/dawn_tests -> src/dawn/tests

Bug: dawn:1275
Change-Id: I79f2aeb0c54a74dd5becd90c46792705a28e87da
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79100
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>

BUILD.gn

@@ -19,8 +19,9 @@ group("all") {
   deps = [
     "src/dawn/fuzzers",
     "src/dawn/native:webgpu_dawn",
+    "src/dawn/tests",
     "src/fuzzers/dawn:dawn_fuzzers",
-    "src/tests:dawn_tests",
+    "src/tests",  # TODO(crbug.com/dawn/1275) - remove
   ]
   if (dawn_standalone) {
     deps += [ "samples/dawn:samples" ]

docs/dawn/overview.md

@@ -18,16 +18,16 @@ This repository contains the implementation of Dawn, which is itself composed of
       - [`fuzzers`](../src/dawn/fuzzers): various fuzzers for Dawn that are running in [Clusterfuzz](https://google.github.io/clusterfuzz/).
       - [`native`](../src/dawn/native): code for the implementation of WebGPU on top of graphics APIs. Files in this folder are the "frontend" while subdirectories are "backends".
          - `<backend>`: code for the implementation of the backend on a specific graphics API, for example `d3d12`, `metal` or `vulkan`.
+      - [`tests`](../src/dawn/tests):
+        - [`end2end`](../src/dawn/tests/end2end): tests for the execution of the WebGPU API and require a GPU to run.
+        - [`perf_tests`](../src/dawn/tests/perf_tests): benchmarks for various aspects of Dawn.
+        - [`unittests`](../src/dawn/tests/unittests): code unittests of internal classes, but also by extension WebGPU API tests that don't require a GPU to run.
+          - [`validation`](../src/dawn/tests/unittests/validation): WebGPU validation tests not using the GPU (frontend tests)
+        - [`white_box`](../src/dawn/tests/white_box): tests using the GPU that need to access the internals of `dawn_native` or `dawn_wire`.
       - [`wire`](../src/dawn/wire): code for an implementation of WebGPU as a client-server architecture.
       - [`utils`](../src/dawn/utils): helper code to use Dawn used by tests and samples but disallowed for `dawn_native` and `dawn_wire`.
       - [`platform`](../src/dawn/platform): definition of interfaces for dependency injection in `dawn_native` or `dawn_wire`.
   - [`include`](../src/include): public headers with subdirectories for each library. Note that some headers are auto-generated and not present directly in the directory.
-  - [`tests`](../src/tests):
-    - [`end2end`](../src/tests/end2end): tests for the execution of the WebGPU API and require a GPU to run.
-    - [`perf_tests`](../src/tests/perf_tests): benchmarks for various aspects of Dawn.
-    - [`unittests`](../src/tests/unittests): code unittests of internal classes, but also by extension WebGPU API tests that don't require a GPU to run.
-      - [`validation`](../src/tests/unittests/validation): WebGPU validation tests not using the GPU (frontend tests)
-    - [`white_box`](../src/tests/white_box): tests using the GPU that need to access the internals of `dawn_native` or `dawn_wire`.
 - [`third_party`](../third_party): directory where dependencies live as well as their buildfiles.
 
 ## Dawn Native (`dawn_native`)

docs/dawn/testing.md

@@ -19,7 +19,7 @@ A Chromium checkout is required for the highest optimization flags. It is possib
  - Step: A group of Iterations run together. The number of `iterationsPerStep` is provided to the constructor of `DawnPerfTestBase`.
  - Trial: A group of Steps run consecutively. `kNumTrials` are run for each test. A Step in a Trial is run repetitively for approximately `kCalibrationRunTimeSeconds`. Metrics are accumlated per-trial and reported as the total time divided by `numSteps * iterationsPerStep`. `maxStepsInFlight` is passed to the `DawnPerfTestsBase` constructor to limit the number of Steps pipelined.
 
-(See [`//src/tests/perf_tests/DawnPerfTest.h`](https://cs.chromium.org/chromium/src/third_party/dawn/src/tests/perf_tests/DawnPerfTest.h) for the values of the constants).
+(See [`//src/dawn/tests/perf_tests/DawnPerfTest.h`](https://cs.chromium.org/chromium/src/third_party/dawn/src/dawn/tests/perf_tests/DawnPerfTest.h) for the values of the constants).
 
 ### Metrics
 

src/dawn/common/BUILD.gn

@@ -86,8 +86,8 @@ config("internal_config") {
   # this BUILD.gn file and related subdirs.
   visibility = [
     "${dawn_root}/samples/dawn/*",
-    "${dawn_root}/src/*",
     "${dawn_root}/src/dawn/*",
+    "${dawn_root}/src/tests/*",  # TODO(crbug.com/dawn/1275) - remove this
   ]
 
   cflags = []

src/dawn/native/d3d12/TextureCopySplitter.h

@@ -60,7 +60,7 @@ namespace dawn::native::d3d12 {
     // counterparts. These arguments should strictly conform to particular invariants. Otherwise,
     // D3D12 driver may report validation errors when we call CopyTextureRegion. Some important
     // invariants are listed below. For more details
-    // of these invariants, see src/tests/unittests/d3d12/CopySplitTests.cpp.
+    // of these invariants, see src/dawn/tests/unittests/d3d12/CopySplitTests.cpp.
     //   - Inside each copy region: 1) its buffer offset plus copy size should be less than its
     //     buffer size, 2) its buffer offset on y-axis should be less than copy format's
     //     blockInfo.height, 3) its buffer offset on z-axis should be 0.