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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Math/Pow.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Math/Pow.js')
-rw-r--r-- | js/src/tests/non262/Math/Pow.js | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/js/src/tests/non262/Math/Pow.js b/js/src/tests/non262/Math/Pow.js new file mode 100644 index 0000000000..281c716a76 --- /dev/null +++ b/js/src/tests/non262/Math/Pow.js @@ -0,0 +1,117 @@ +// |reftest| skip-if(!xulRuntime.shell) +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var BUGNUMBER = 1135708; +var summary = "Implement the exponentiation operator"; + +print(BUGNUMBER + ": " + summary); + +// Constant folding +assertEq(2 ** 2 ** 3, 256); +assertEq(1 ** 1 ** 4, 1); + +// No folding +var two = 2; +var three = 3; +var four = 4; +assertEq(two ** two ** three, 256); +assertEq(1 ** 1 ** four, 1); + +// Operator precedence +assertEq(2 ** 3 / 2 ** 3, 1); +assertEq(2 ** 3 * 2 ** 3, 64); +assertEq(2 ** 3 + 2 ** 3, 16); + +// With parentheses +assertEq((2 ** 3) ** 2, 64); +assertEq(2 ** (3 ** 2), 512); + +// Assignment operator +var x = 2; +assertEq(x **= 2 ** 3, 256); +assertEq(x, 256); + +// Loop to test baseline and ION +for (var i=0; i<10000; i++) { + assertEq((2 ** 3) ** 2, 64); + assertEq(2 ** (3 ** 2), 512); + var x = 2; + assertEq(x **= 2 ** 3, 256); + assertEq(x, 256); +} + +// Comments should not be confused with exp operator +var a, c, e; +a = c = e = 2; +assertEq(a**/**b**/c/**/**/**d**/e, 16); + +// Two stars separated should not parse as exp operator +assertThrowsInstanceOf(function() { return Reflect.parse("2 * * 3"); }, SyntaxError); + +// Left-hand side expression must not be a unary expression. +for (let unaryOp of ["delete", "typeof", "void", "+", "-", "!", "~"]) { + assertThrowsInstanceOf(() => eval(unaryOp + " a ** 2"), SyntaxError); + assertThrowsInstanceOf(() => eval(unaryOp + " " + unaryOp + " a ** 2"), SyntaxError); +} + +// Test the other |delete| operators (DELETENAME and DELETEEXPR are already tested above). +assertThrowsInstanceOf(() => eval("delete a.name ** 2"), SyntaxError); +assertThrowsInstanceOf(() => eval("delete a[0] ** 2"), SyntaxError); + +// Unary expression lhs is valid if parenthesized. +for (let unaryOp of ["delete", "void", "+", "-", "!", "~"]) { + let a = 0; + eval("(" + unaryOp + " a) ** 2"); + eval("(" + unaryOp + " " + unaryOp + " a) ** 2"); +} +{ + let a = {}; + (delete a.name) ** 2; + (delete a[0]) ** 2; +} + +// Check if error propagation works +var thrower = { + get value() { + throw new Error(); + } +}; + +assertThrowsInstanceOf(function() { return thrower.value ** 2; }, Error); +assertThrowsInstanceOf(function() { return 2 ** thrower.value; }, Error); +assertThrowsInstanceOf(function() { return 2 ** thrower.value ** 2; }, Error); + +var convertibleToPrimitive = { + valueOf: function() { + throw new Error("oops"); + } +}; + +assertThrowsInstanceOf(function() { return convertibleToPrimitive ** 3; }, Error); +assertThrowsInstanceOf(function() { return 3 ** convertibleToPrimitive; }, Error); + +assertEq(NaN ** 2, NaN); +assertEq(2 ** NaN, NaN); +assertEq(2 ** "3", 8); +assertEq("2" ** 3, 8); + +// Reflect.parse generates a correct parse tree for simplest case +var parseTree = Reflect.parse("a ** b"); +assertEq(parseTree.body[0].type, "ExpressionStatement"); +assertEq(parseTree.body[0].expression.operator, "**"); +assertEq(parseTree.body[0].expression.left.name, "a"); +assertEq(parseTree.body[0].expression.right.name, "b"); + +// Reflect.parse generates a tree following the right-associativity rule +var parseTree = Reflect.parse("a ** b ** c"); +assertEq(parseTree.body[0].type, "ExpressionStatement"); +assertEq(parseTree.body[0].expression.left.name, "a"); +assertEq(parseTree.body[0].expression.right.operator, "**"); +assertEq(parseTree.body[0].expression.right.left.name, "b"); +assertEq(parseTree.body[0].expression.right.right.name, "c"); + +if (typeof reportCompare === "function") + reportCompare(true, true); |