From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/basic/constant-folding-1.js | 45 +++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 js/src/jit-test/tests/basic/constant-folding-1.js (limited to 'js/src/jit-test/tests/basic/constant-folding-1.js') diff --git a/js/src/jit-test/tests/basic/constant-folding-1.js b/js/src/jit-test/tests/basic/constant-folding-1.js new file mode 100644 index 0000000000..851a0a804a --- /dev/null +++ b/js/src/jit-test/tests/basic/constant-folding-1.js @@ -0,0 +1,45 @@ +function bytecode(f) { + if (typeof disassemble !== "function") + return "unavailable"; + var d = disassemble(f); + // Remove line numbers. + d = d.replace(/(\n\d{5}:).*\d+/g, "$1"); + return d.slice(d.indexOf("main:"), d.indexOf("\n\n")); +} +assertEq(bytecode(() => "hello" + "world"), + bytecode(() => "helloworld")); +assertEq(bytecode(() => 2 + "2" + "2"), + bytecode(() => "222")); +assertEq(bytecode(() => "x" + "3"), + bytecode(() => "x3")); + +var s = "hoge"; +assertEq(bytecode(() => "fo" + "o" + s + "ba" + "r"), + bytecode(() => "foo" + s + "bar")); +assertEq(bytecode(() => "fo" + "o" + 1 + s + 1 + "ba" + "r"), + bytecode(() => "foo1" + s + "1bar")); +assertEq(bytecode(() => 1 + (2 * 2) + "x"), + bytecode(() => 5 + "x")); +assertEq(s + 1 + 2, "hoge12"); +assertEq((() => s + 1 + 2)(), "hoge12"); + +// SpiderMonkey knows that 1 + 1 == "11". +assertEq(bytecode(() => "x" + s + 1 + 1), + bytecode(() => "x" + s + "11")); + +var n = 5; +assertEq(1 + n + 1 + "ba" + "r", "7bar"); +assertEq(1 + 2 + {valueOf: () => 3, toString: () => 'x'} + 4 + 5,15); +assertEq(1+2+n,8); +assertEq(bytecode(() => 1 + 2 + n + 1 + 2), + bytecode(() => 3 + n + 1 + 2)); +assertEq(1 + 2 + n + 1 + 2, 11); +assertEq(bytecode(() => 1 + 2 + s + 1 + 2), + bytecode(() => 3 + s + 1 + 2)); +assertEq(1 + 2 + s + 1 + 2, "3hoge12"); + +assertEq(bytecode(() => ["a" + "b" + n]), + bytecode(() => ["ab" + n])); +var a = ["a" + "b" + n]; +assertEq(a[0], "ab5"); + -- cgit v1.2.3