summaryrefslogtreecommitdiffstats
path: root/tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
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.js40
1 files changed, 40 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..fff826874f
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/use-includes-instead-of-indexOf.js
@@ -0,0 +1,40 @@
+/* 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) {
+ return {
+ code,
+ errors: [{ messageId: "useIncludes", 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;"),
+ ],
+});