1 files changed, 15 insertions, 0 deletions
diff --git a/testing/web-platform/tests/compression/decompression-constructor-error.tentative.any.js b/testing/web-platform/tests/compression/decompression-constructor-error.tentative.any.js
new file mode 100644
index 0000000000..1bd86ff5b5
--- /dev/null
+++ b/testing/web-platform/tests/compression/decompression-constructor-error.tentative.any.js
@@ -0,0 +1,15 @@
+// META: global=window,worker
+
+'use strict';
+
+test(t => {
+  assert_throws_js(TypeError, () => new DecompressionStream('a'), 'constructor should throw');
+}, '"a" should cause the constructor to throw');
+
+test(t => {
+  assert_throws_js(TypeError, () => new DecompressionStream(), 'constructor should throw');
+}, 'no input should cause the constructor to throw');
+
+test(t => {
+  assert_throws_js(Error, () => new DecompressionStream({ toString() { throw Error(); } }), 'constructor should throw');
+}, 'non-string input should cause the constructor to throw');