Index: test/mjsunit/harmony/exponentiation-operator.js |
diff --git a/test/mjsunit/harmony/exponentiation-operator.js b/test/mjsunit/harmony/exponentiation-operator.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..eeee0f2c2a15dfe9c4ff3c7441dfa2af91cea6d2 |
--- /dev/null |
+++ b/test/mjsunit/harmony/exponentiation-operator.js |
@@ -0,0 +1,198 @@ |
+// Copyright 2016 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-exponentiation-operator --harmony-proxies |
+ |
+(function TestBasic() { |
+ assertEquals(-(8 ** 2), -64); |
+ assertEquals(+(8 ** 2), 64); |
+ assertEquals(~(8 ** 2), -65); |
+ assertEquals(!(8 ** 2), false); |
+ |
+ assertEquals(2 ** -2, 0.25); |
+ |
+ var o = { p: 1 }; |
+ assertEquals(2 ** delete o.p, 2); |
+ |
+ assertEquals(2 ** void 1, NaN); |
+ |
+ assertEquals(2 ** typeof 1, NaN); |
+ |
+ var s = "2"; |
+ var n = 2; |
+ |
+ assertEquals(2 ** "2", 4); |
+ assertEquals(2 ** +"2", 4); |
+ assertEquals(2 ** +s, 4); |
+ assertEquals(2 ** s, 4); |
+ assertEquals(2 ** 2, 4); |
+ assertEquals(2 ** +2, 4); |
+ assertEquals(2 ** +n, 4); |
+ assertEquals(2 ** n, 4); |
+ |
+ assertEquals(2 ** -"2", 0.25); |
+ assertEquals(2 ** -s, 0.25); |
+ assertEquals(2 ** -2, 0.25); |
+ assertEquals(2 ** -n, 0.25); |
+ |
+ assertEquals(2 ** ~"2", 0.125); |
+ assertEquals(2 ** ~s, 0.125); |
+ assertEquals(2 ** ~2, 0.125); |
+ assertEquals(2 ** ~n, 0.125); |
+ |
+ assertEquals(2 ** !"2", 1); |
+ assertEquals(2 ** !s, 1); |
+ assertEquals(2 ** !2, 1); |
+ assertEquals(2 ** !n, 1); |
+ |
+ var exponent = 2; |
+ assertEquals(2 ** 3, 8); |
+ assertEquals(3 * 2 ** 3, 24); |
+ assertEquals(2 ** ++exponent, 8); |
+ assertEquals(2 ** -1 * 2, 1); |
+ assertEquals(2 ** 2 * 4, 16); |
+ assertEquals(2 ** 2 / 2, 2); |
+ assertEquals(2 ** (3 ** 2), 512); |
+ assertEquals(2 ** 3 ** 2, 512); |
+ assertEquals(2 * 3 ** 2, 18); |
+ assertEquals(16 / 2 ** 2, 4); |
+})(); |
+ |
+ |
+(function TestAssignment() { |
+ var base = -5; |
+ assertEquals(base **= 3, -125); |
+ assertEquals(base, -125); |
+})(); |
+ |
+ |
+(function TestPrecedence() { |
+ var base = 4; |
+ assertEquals(--base ** 2, 9); // 3 ** 2 |
+ assertEquals(++base ** 2, 16); // 4 ** 2 |
+ assertEquals(base++ ** 2, 16); // 4 ** 2 |
+ assertEquals(base-- ** 2, 25); // 5 ** 2 |
+ |
+ assertEquals(4, base); |
+ assertEquals(--base ** --base ** 2, |
+ Math.pow(3, Math.pow(2, 2))); |
+ |
+ assertEquals(2, base); |
+ assertEquals(++base ** ++base ** 2, |
+ Math.pow(3, Math.pow(4, 2))); |
+ |
+ base = 4; |
+ assertEquals(base-- ** base-- ** 2, |
+ Math.pow(4, Math.pow(3, 2))); |
+ |
+ assertEquals(2, base); |
+ assertEquals(base++ ** base++ ** 2, |
+ Math.pow(2, Math.pow(3, 2))); |
+})(); |
+ |
+ |
+(function TestInvariants() { |
+ assertEquals(NaN, 2 ** NaN); |
+ assertEquals(NaN, (+0) ** NaN); |
+ assertEquals(NaN, (-0) ** NaN); |
+ assertEquals(NaN, Infinity ** NaN); |
+ assertEquals(NaN, (-Infinity) ** NaN); |
+ |
+ assertEquals(1, NaN ** +0); |
+ assertEquals(1, NaN ** -0); |
+ |
+ assertEquals(NaN, NaN ** NaN); |
+ assertEquals(NaN, NaN ** 2.2); |
+ assertEquals(NaN, NaN ** 1); |
+ assertEquals(NaN, NaN ** -1); |
+ assertEquals(NaN, NaN ** -2.2); |
+ assertEquals(NaN, NaN ** Infinity); |
+ assertEquals(NaN, NaN ** -Infinity); |
+ |
+ assertEquals(Infinity, 1.1 ** Infinity); |
+ assertEquals(Infinity, (-1.1) ** Infinity); |
+ assertEquals(Infinity, 2 ** Infinity); |
+ assertEquals(Infinity, (-2) ** Infinity); |
+ |
+ // Because +0 == -0, we need to compare 1/{+,-}0 to {+,-}Infinity |
+ assertEquals(+Infinity, 1/1.1 ** -Infinity); |
+ assertEquals(+Infinity, 1/(-1.1) ** -Infinity); |
+ assertEquals(+Infinity, 1/2 ** -Infinity); |
+ assertEquals(+Infinity, 1/(-2) ** -Infinity); |
+ |
+ assertEquals(NaN, 1 ** Infinity); |
+ assertEquals(NaN, 1 ** -Infinity); |
+ assertEquals(NaN, (-1) ** Infinity); |
+ assertEquals(NaN, (-1) ** -Infinity); |
+ |
+ assertEquals(+0, 0.1 ** Infinity); |
+ assertEquals(+0, (-0.1) ** Infinity); |
+ assertEquals(+0, 0.999 ** Infinity); |
+ assertEquals(+0, (-0.999) ** Infinity); |
+ |
+ assertEquals(Infinity, 0.1 ** -Infinity); |
+ assertEquals(Infinity, (-0.1) ** -Infinity); |
+ assertEquals(Infinity, 0.999 ** -Infinity); |
+ assertEquals(Infinity, (-0.999) ** -Infinity); |
+ |
+ assertEquals(Infinity, Infinity ** 0.1); |
+ assertEquals(Infinity, Infinity ** 2); |
+ |
+ assertEquals(+Infinity, 1/Infinity ** -0.1); |
+ assertEquals(+Infinity, 1/Infinity ** -2); |
+ |
+ assertEquals(-Infinity, (-Infinity) ** 3); |
+ assertEquals(-Infinity, (-Infinity) ** 13); |
+ |
+ assertEquals(Infinity, (-Infinity) ** 3.1); |
+ assertEquals(Infinity, (-Infinity) ** 2); |
+ |
+ assertEquals(-Infinity, 1/(-Infinity) ** -3); |
+ assertEquals(-Infinity, 1/(-Infinity) ** -13); |
+ |
+ assertEquals(+Infinity, 1/(-Infinity) ** -3.1); |
+ assertEquals(+Infinity, 1/(-Infinity) ** -2); |
+ |
+ assertEquals(+Infinity, 1/(+0) ** 1.1); |
+ assertEquals(+Infinity, 1/(+0) ** 2); |
+ |
+ assertEquals(Infinity, (+0) ** -1.1); |
+ assertEquals(Infinity, (+0) ** -2); |
+ |
+ assertEquals(-Infinity, 1/(-0) ** 3); |
+ assertEquals(-Infinity, 1/(-0) ** 13); |
+ |
+ assertEquals(+Infinity, 1/(-0) ** 3.1); |
+ assertEquals(+Infinity, 1/(-0) ** 2); |
+ |
+ assertEquals(-Infinity, (-0) ** -3); |
+ assertEquals(-Infinity, (-0) ** -13); |
+ |
+ assertEquals(Infinity, (-0) ** -3.1); |
+ assertEquals(Infinity, (-0) ** -2); |
+ |
+ assertEquals(NaN, (-0.00001) ** 1.1); |
+ assertEquals(NaN, (-0.00001) ** -1.1); |
+ assertEquals(NaN, (-1.1) ** 1.1); |
+ assertEquals(NaN, (-1.1) ** -1.1); |
+ assertEquals(NaN, (-2) ** 1.1); |
+ assertEquals(NaN, (-2) ** -1.1); |
+ assertEquals(NaN, (-1000) ** 1.1); |
+ assertEquals(NaN, (-1000) ** -1.1); |
+ |
+ assertEquals(+Infinity, 1/(-0) ** 0.5); |
+ assertEquals(+Infinity, 1/(-0) ** 0.6); |
+ assertEquals(-Infinity, 1/(-0) ** 1); |
+ assertEquals(-Infinity, 1/(-0) ** 10000000001); |
+ |
+ assertEquals(+Infinity, (-0) ** -0.5); |
+ assertEquals(+Infinity, (-0) ** -0.6); |
+ assertEquals(-Infinity, (-0) ** -1); |
+ assertEquals(-Infinity, (-0) ** -10000000001); |
+ |
+ assertEquals(4, 16 ** 0.5); |
+ assertEquals(NaN, (-16) ** 0.5); |
+ assertEquals(0.25, 16 ** -0.5); |
+ assertEquals(NaN, (-16) ** -0.5); |
+})(); |