1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/BigInt/constructor-from-binary-string.js b/js/src/tests/test262/built-ins/BigInt/constructor-from-binary-string.js
new file mode 100644
index 0000000000..eac13bc6e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/BigInt/constructor-from-binary-string.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: String should be parsed to BigInt according StringToBigInt
+esid: sec-string-to-bigint
+info: |
+  ToBigInt ( argument )
+
+  String:
+
+  Let n be StringToBigInt(prim).
+  If n is NaN, throw a SyntaxError exception.
+  Return n.
+
+  StringToBigInt ( argument )
+
+  Replace the StrUnsignedDecimalLiteral production with DecimalDigits to not allow Infinity, decimal points, or exponents.
+
+features: [BigInt]
+---*/
+
+assert.sameValue(BigInt("0b1111"), 15n);
+assert.sameValue(BigInt("0b10"), 2n);
+assert.sameValue(BigInt("0b0"), 0n);
+assert.sameValue(BigInt("0b1"), 1n);
+
+let binaryString = "0b1";
+for (let i = 0; i < 128; i++)
+  binaryString += "0";
+
+assert.sameValue(BigInt(binaryString), 340282366920938463463374607431768211456n);
+
+assert.sameValue(BigInt("0B1111"), 15n);
+assert.sameValue(BigInt("0B10"), 2n);
+assert.sameValue(BigInt("0B0"), 0n);
+assert.sameValue(BigInt("0B1"), 1n);
+
+binaryString = "0B1";
+for (let i = 0; i < 128; i++)
+  binaryString += "0";
+
+assert.sameValue(BigInt(binaryString), 340282366920938463463374607431768211456n);
+
+reportCompare(0, 0);