1 files changed, 87 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-ja-JP.js b/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-ja-JP.js
new file mode 100644
index 0000000000..41748c1dab
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/prototype/formatToParts/signDisplay-ja-JP.js
@@ -0,0 +1,87 @@
+// Copyright 2019 Igalia, S.L. 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: [ja-JP]
+features: [Intl.NumberFormat-unified]
+---*/
+
+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 tests = [
+  [
+    "auto",
+    [{"type":"minusSign","value":"-"},{"type":"infinity","value":"∞"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"987"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"0"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"987"}],
+    [{"type":"infinity","value":"∞"}],
+    [{"type":"nan","value":"NaN"}],
+  ],
+  [
+    "always",
+    [{"type":"minusSign","value":"-"},{"type":"infinity","value":"∞"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"987"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"0"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"0"}],
+    [{"type":"plusSign","value":"+"},{"type":"integer","value":"0"}],
+    [{"type":"plusSign","value":"+"},{"type":"integer","value":"0"}],
+    [{"type":"plusSign","value":"+"},{"type":"integer","value":"987"}],
+    [{"type":"plusSign","value":"+"},{"type":"infinity","value":"∞"}],
+    [{"type":"plusSign","value":"+"},{"type":"nan","value":"NaN"}],
+  ],
+  [
+    "never",
+    [{"type":"infinity","value":"∞"}],
+    [{"type":"integer","value":"987"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"987"}],
+    [{"type":"infinity","value":"∞"}],
+    [{"type":"nan","value":"NaN"}],
+  ],
+  [
+    "exceptZero",
+    [{"type":"minusSign","value":"-"},{"type":"infinity","value":"∞"}],
+    [{"type":"minusSign","value":"-"},{"type":"integer","value":"987"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"integer","value":"0"}],
+    [{"type":"plusSign","value":"+"},{"type":"integer","value":"987"}],
+    [{"type":"plusSign","value":"+"},{"type":"infinity","value":"∞"}],
+    [{"type":"nan","value":"NaN"}],
+  ],
+];
+
+for (const [signDisplay, ...expected] of tests) {
+  const nf = new Intl.NumberFormat("ja-JP", {signDisplay});
+  verifyFormatParts(nf.formatToParts(-Infinity), expected[0], `-Infinity (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(-987), expected[1], `-987 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(-0.0001), expected[2], `-0.0001 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(-0), expected[3], `-0 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(0), expected[4], `0 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(0.0001), expected[5], `0.0001 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(987), expected[6], `987 (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(Infinity), expected[7], `Infinity (${signDisplay})`);
+  verifyFormatParts(nf.formatToParts(NaN), expected[8], `NaN (${signDisplay})`);
+}
+
+
+reportCompare(0, 0);