1 files changed, 79 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/unittests/parse_imports.spec.ts b/dom/webgpu/tests/cts/checkout/src/unittests/parse_imports.spec.ts
new file mode 100644
index 0000000000..0efdc0d171
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/unittests/parse_imports.spec.ts
@@ -0,0 +1,79 @@
+export const description = `
+Test for "parseImports" utility.
+`;
+
+import { makeTestGroup } from '../common/framework/test_group.js';
+import { parseImports } from '../common/util/parse_imports.js';
+
+import { UnitTest } from './unit_test.js';
+
+class F extends UnitTest {
+  test(content: string, expect: string[]): void {
+    const got = parseImports('a/b/c.js', content);
+    const expectJoined = expect.join('\n');
+    const gotJoined = got.join('\n');
+    this.expect(
+      expectJoined === gotJoined,
+      `
+expected: ${expectJoined}
+got:      ${gotJoined}`
+    );
+  }
+}
+
+export const g = makeTestGroup(F);
+
+g.test('empty').fn(t => {
+  t.test(``, []);
+  t.test(`\n`, []);
+  t.test(`\n\n`, []);
+});
+
+g.test('simple').fn(t => {
+  t.test(`import 'x/y/z.js';`, ['a/b/x/y/z.js']);
+  t.test(`import * as blah from 'x/y/z.js';`, ['a/b/x/y/z.js']);
+  t.test(`import { blah } from 'x/y/z.js';`, ['a/b/x/y/z.js']);
+});
+
+g.test('multiple').fn(t => {
+  t.test(
+    `
+blah blah blah
+import 'x/y/z.js';
+more blah
+import * as blah from 'm/n/o.js';
+extra blah
+import { blah } from '../h.js';
+ending with blah
+`,
+    ['a/b/x/y/z.js', 'a/b/m/n/o.js', 'a/h.js']
+  );
+});
+
+g.test('multiline').fn(t => {
+  t.test(
+    `import {
+  blah
+} from 'x/y/z.js';`,
+    ['a/b/x/y/z.js']
+  );
+  t.test(
+    `import {
+  blahA,
+  blahB,
+} from 'x/y/z.js';`,
+    ['a/b/x/y/z.js']
+  );
+});
+
+g.test('file_characters').fn(t => {
+  t.test(`import '01234_56789.js';`, ['a/b/01234_56789.js']);
+});
+
+g.test('relative_paths').fn(t => {
+  t.test(`import '../x.js';`, ['a/x.js']);
+  t.test(`import '../x/y.js';`, ['a/x/y.js']);
+  t.test(`import '../../x.js';`, ['x.js']);
+  t.test(`import '../../../x.js';`, ['../x.js']);
+  t.test(`import '../../../../x.js';`, ['../../x.js']);
+});