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 --- .../tests/warp/string-indexof-is-startswith.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 js/src/jit-test/tests/warp/string-indexof-is-startswith.js (limited to 'js/src/jit-test/tests/warp/string-indexof-is-startswith.js') diff --git a/js/src/jit-test/tests/warp/string-indexof-is-startswith.js b/js/src/jit-test/tests/warp/string-indexof-is-startswith.js new file mode 100644 index 0000000000..1d9f31e38c --- /dev/null +++ b/js/src/jit-test/tests/warp/string-indexof-is-startswith.js @@ -0,0 +1,29 @@ +// |str.indexOf(searchStr) == 0| is compiled as |str.startsWith(searchStr)|. +// |str.indexOf(searchStr) != 0| is compiled as |!str.startsWith(searchStr)|. + +const strings = [ + "", + "a", "b", + "ab", "ba", "ac", "ca", + "aba", "abb", "abc", "aca", +]; + +function StringIndexOf(str, searchStr) { + // Prevent Warp compilation when computing the expected result. + with ({}); + return str.indexOf(searchStr); +} + +for (let str of strings) { + for (let searchStr of strings) { + let startsWith = str.indexOf(searchStr) === 0; + + assertEq(startsWith, str.startsWith(searchStr)); + assertEq(startsWith, StringIndexOf(str, searchStr) === 0); + + let notStartsWith = str.indexOf(searchStr) !== 0; + + assertEq(notStartsWith, !str.startsWith(searchStr)); + assertEq(notStartsWith, StringIndexOf(str, searchStr) !== 0); + } +} -- cgit v1.2.3