1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-negative-currency-zh-TW.js b/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-negative-currency-zh-TW.js
new file mode 100644
index 0000000000..aa2ca4a810
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-negative-currency-zh-TW.js
@@ -0,0 +1,55 @@
+// Copyright 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.numberformat.prototype.formattoparts
+description: Checks handling of the signDisplay option to the NumberFormat constructor.
+locale: [zh-TW]
+features: [Intl.NumberFormat-v3]
+---*/
+
+function verifyFormatParts(actual, expected, message) {
+  assert.sameValue(Array.isArray(expected), true, `${message}: expected is Array`);
+  assert.sameValue(Array.isArray(actual), true, `${message}: actual is Array`);
+  assert.sameValue(actual.length, expected.length, `${message}: length`);
+
+  for (let i = 0; i < actual.length; ++i) {
+    assert.sameValue(actual[i].type, expected[i].type, `${message}: parts[${i}].type`);
+    assert.sameValue(actual[i].value, expected[i].value, `${message}: parts[${i}].value`);
+  }
+}
+
+const nf = new Intl.NumberFormat("zh-TW", { style: "currency", currency: "USD", currencySign: "accounting", signDisplay: "negative" });
+
+verifyFormatParts(
+  nf.formatToParts(-987),
+  [{"type":"literal","value":"("},{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"},{"type":"literal","value":")"}],
+  "negative"
+);
+verifyFormatParts(
+  nf.formatToParts(-0.0001),
+  [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
+  "negativeNearZero"
+);
+verifyFormatParts(
+  nf.formatToParts(-0),
+  [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
+  "negativeZero"
+);
+verifyFormatParts(
+  nf.formatToParts(0),
+  [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
+  "zero"
+);
+verifyFormatParts(
+  nf.formatToParts(0.0001),
+  [{"type":"currency","value":"US$"},{"type":"integer","value":"0"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
+  "positiveNearZero"
+);
+verifyFormatParts(
+  nf.formatToParts(987),
+  [{"type":"currency","value":"US$"},{"type":"integer","value":"987"},{"type":"decimal","value":"."},{"type":"fraction","value":"00"}],
+  "positive"
+);
+
+reportCompare(0, 0);