Add unit tests for resolvePerAspectFormat

src/webgpu/format_info.spec.ts

@@ -0,0 +1,34 @@
+export const description = `
+Unittests for helpers in format_info.ts.
+`;
+
+import { Fixture } from '../common/framework/fixture.js';
+import { makeTestGroup } from '../common/framework/test_group.js';
+import { assert, objectEquals } from '../common/util/util.js';
+
+import { kDepthStencilFormats, kTextureFormatInfo, resolvePerAspectFormat } from './format_info.js';
+
+export const g = makeTestGroup(Fixture);
+
+g.test('resolvePerAspectFormat')
+  .desc(
+    `Test that resolvePerAspectFormat works and kTextureFormatInfo contains identical
+    information for the combined and separate versions of that aspect.`
+  )
+  .fn(t => {
+    for (const format of kDepthStencilFormats) {
+      const info = kTextureFormatInfo[format];
+      if (info.depth) {
+        const depthFormatInfo = kTextureFormatInfo[resolvePerAspectFormat(format, 'depth-only')];
+        assert(objectEquals(info.depth, depthFormatInfo.depth), 'Error in texture format table');
+      }
+      if (info.stencil) {
+        const stencilFormatInfo =
+          kTextureFormatInfo[resolvePerAspectFormat(format, 'stencil-only')];
+        assert(
+          objectEquals(info.stencil, stencilFormatInfo.stencil),
+          'Error in texture format table'
+        );
+      }
+    }
+  });

src/webgpu/format_info.ts

@@ -1,5 +1,5 @@
 import { keysOf } from '../common/util/data_tables.js';
-import { assert, unreachable } from '../common/util/util.js';
+import { assert, objectEquals, unreachable } from '../common/util/util.js';
 
 import { align } from './util/math.js';
 import { ImageCopyType } from './util/texture/layout.js';