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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
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.js38
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
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index 0000000000..0979a99ed7
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+++ 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;"),
+ ],
+});