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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 /tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js')
-rw-r--r-- | tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js new file mode 100644 index 0000000000..0979a99ed7 --- /dev/null +++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js @@ -0,0 +1,38 @@ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +// ------------------------------------------------------------------------------ +// Requirements +// ------------------------------------------------------------------------------ + +var rule = require("../lib/rules/use-includes-instead-of-indexOf"); +var RuleTester = require("eslint").RuleTester; + +const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } }); + +// ------------------------------------------------------------------------------ +// Tests +// ------------------------------------------------------------------------------ + +function invalidCode(code) { + let message = "use .includes instead of .indexOf"; + return { code, errors: [{ message, type: "BinaryExpression" }] }; +} + +ruleTester.run("use-includes-instead-of-indexOf", rule, { + valid: [ + "let a = foo.includes(bar);", + "let a = foo.indexOf(bar) > 0;", + "let a = foo.indexOf(bar) != 0;", + ], + invalid: [ + invalidCode("let a = foo.indexOf(bar) >= 0;"), + invalidCode("let a = foo.indexOf(bar) != -1;"), + invalidCode("let a = foo.indexOf(bar) !== -1;"), + invalidCode("let a = foo.indexOf(bar) == -1;"), + invalidCode("let a = foo.indexOf(bar) === -1;"), + invalidCode("let a = foo.indexOf(bar) < 0;"), + ], +}); |