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-rw-r--r--testing/web-platform/tests/encoding/textdecoder-arguments.any.js49
1 files changed, 49 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encoding/textdecoder-arguments.any.js b/testing/web-platform/tests/encoding/textdecoder-arguments.any.js
new file mode 100644
index 0000000000..f469dcd30e
--- /dev/null
+++ b/testing/web-platform/tests/encoding/textdecoder-arguments.any.js
@@ -0,0 +1,49 @@
+// META: title=Encoding API: TextDecoder decode() optional arguments
+
+test(t => {
+ const decoder = new TextDecoder();
+
+ // Just passing nothing.
+ assert_equals(
+ decoder.decode(undefined), '',
+ 'Undefined as first arg should decode to empty string');
+
+ // Flushing an incomplete sequence.
+ decoder.decode(new Uint8Array([0xc9]), {stream: true});
+ assert_equals(
+ decoder.decode(undefined), '\uFFFD',
+ 'Undefined as first arg should flush the stream');
+
+}, 'TextDecoder decode() with explicit undefined');
+
+test(t => {
+ const decoder = new TextDecoder();
+
+ // Just passing nothing.
+ assert_equals(
+ decoder.decode(undefined, undefined), '',
+ 'Undefined as first arg should decode to empty string');
+
+ // Flushing an incomplete sequence.
+ decoder.decode(new Uint8Array([0xc9]), {stream: true});
+ assert_equals(
+ decoder.decode(undefined, undefined), '\uFFFD',
+ 'Undefined as first arg should flush the stream');
+
+}, 'TextDecoder decode() with undefined and undefined');
+
+test(t => {
+ const decoder = new TextDecoder();
+
+ // Just passing nothing.
+ assert_equals(
+ decoder.decode(undefined, {}), '',
+ 'Undefined as first arg should decode to empty string');
+
+ // Flushing an incomplete sequence.
+ decoder.decode(new Uint8Array([0xc9]), {stream: true});
+ assert_equals(
+ decoder.decode(undefined, {}), '\uFFFD',
+ 'Undefined as first arg should flush the stream');
+
+}, 'TextDecoder decode() with undefined and options');