remove IsSafeInteger checks for BigInt

test/built-ins/BigInt/issafeinteger-true.js → test/built-ins/BigInt/constructor-integer.js

-// Copyright (C) 2017 Robin Templeton. All rights reserved.
+// Copyright (C) 2018 Igalia, S.L. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-description: Throws a TypeError if BigInt is called with a new target
+description: BigInt constructor called with integer argument
 esid: sec-bigint-constructor
 info: |
+  BigInt ( value )
+
   ...
   3. If Type(prim) is Number, return ? NumberToBigInt(prim).
-  ...
 
   NumberToBigInt ( number )
 
-  2. If IsSafeInteger(number) is false, throw a RangeError exception.
-
+  ...
+  3. Return a BigInt representing the mathematical value of number.
 features: [BigInt]
 ---*/
 
 assert.sameValue(BigInt(Number.MAX_SAFE_INTEGER), 9007199254740991n);
+
 assert.sameValue(BigInt(-Number.MAX_SAFE_INTEGER), -9007199254740991n);
+
+var pos = Math.pow(2, 53);
+var neg = -pos;
+
+assert.sameValue(BigInt(pos), 9007199254740992n,
+                 "BigInt(2**53) === 9007199254740992n");
+
+assert.sameValue(BigInt(neg), -9007199254740992n,
+                 "BigInt(2**53) === -9007199254740992n");

test/built-ins/BigInt/out-of-bounds-integer-rangeerror.js

-// Copyright (C) 2017 Robin Templeton. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-description: BigInt throws a RangeError if value is not a safe integer.
-esid: sec-bigint-constructor
-info: |
-  BigInt ( value )
-
-  ...
-  2. Let prim be ? ToPrimitive(value, hint Number).
-  3. If Type(prim) is Number, return ? NumberToBigInt(prim).
-  ...
-
-  NumberToBigInt ( number )
-
-  ...
-  2. If IsSafeInteger(number) is false, throw a RangeError exception.
-  ...
-
-  IsSafeInteger ( number )
-
-  ...
-  3. Let integer be ToInteger(number).
-  4. If integer is not equal to number, return false.
-  5. If abs(integer) ≤ 2**53-1, return true.
-  6. Otherwise, return false.
-features: [BigInt]
----*/
-
-var pos = Math.pow(2, 53);
-var neg = -pos;
-
-assert.throws(RangeError, function() {
-  BigInt(pos);
-});
-
-assert.throws(RangeError, function() {
-  BigInt(neg);
-});

test/built-ins/DataView/prototype/setBigInt64/set-values-return-undefined.js

-// Copyright (C) 2017 Igalia, S.L. All rights reserved.
+// Copyright (C) 2018 Igalia, S.L. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
@@ -20,7 +20,7 @@ values.forEach(function(value, i) {
       () => sample.setBigInt64(0, BigInt(value), false),
       "value: " + value);
     return;
-  } else if (!Number.isInteger(value) || value > 9007199254740991) {
+  } else if (!Number.isInteger(value)) {
     assert.throws(RangeError,
       () => sample.setBigInt64(0, BigInt(value), false),
       "value " + value);