1 files changed, 28 insertions, 0 deletions
diff --git a/deps/v8/test/intl/number-format/unified/sign-display.js b/deps/v8/test/intl/number-format/unified/sign-display.js
new file mode 100644
index 0000000000..cdd7de0061
--- /dev/null
+++ b/deps/v8/test/intl/number-format/unified/sign-display.js
@@ -0,0 +1,28 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-numberformat-unified
+
+// Test default.
+let nf = new Intl.NumberFormat();
+assertEquals("auto", nf.resolvedOptions().signDisplay);
+
+nf = new Intl.NumberFormat("en");
+assertEquals("auto", nf.resolvedOptions().signDisplay);
+
+const testData = [
+    ["auto",        "-123",  "-0",  "0",  "123"],
+    ["always",      "-123",  "-0", "+0", "+123"],
+    ["never",       "123",   "0",  "0",  "123"],
+    ["except-zero", "-123",  "-0",  "0",  "+123"],
+];
+
+for (const [signDisplay, neg, negZero, zero, pos] of testData) {
+  nf = new Intl.NumberFormat("en", {signDisplay});
+  assertEquals(signDisplay, nf.resolvedOptions().signDisplay);
+  assertEquals(neg, nf.format(-123));
+  assertEquals(negZero, nf.format(-0));
+  assertEquals(zero, nf.format(0));
+  assertEquals(pos, nf.format(123));
+}