From 9cbe4d8ed044f1f21a82c7c6906df2f76e99a258 Mon Sep 17 00:00:00 2001
From: Retsam <chess19@gmail.com>
Date: Mon, 19 Aug 2019 16:20:40 -0400
Subject: [PATCH] test(eslint-plugin): add tests for generic type params

---
 .../tests/rules/no-unnecessary-condition.test.ts  | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts b/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts
index 842e5b715a9..75cb093e2dc 100644
--- a/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unnecessary-condition.test.ts
@@ -54,6 +54,12 @@ const t1 = (b1 && b2) ? 'yes' : 'no'`,
     necessaryConditionTest('any'), // any
     necessaryConditionTest('unknown'), // unknown
 
+    // Generic type params
+    `
+function test<T extends string>(t: T) {
+  return t ? 'yes' : 'no'
+}`,
+
     // Supports ignoring the RHS
     {
       code: `
@@ -94,6 +100,15 @@ const t1 = (b1 && b2) ? 'yes' : 'no'`,
     unnecessaryConditionTest('void', 'alwaysFalsy'),
     unnecessaryConditionTest('never', 'never'),
 
+    // Generic type params
+    {
+      code: `
+function test<T extends object>(t: T) {
+  return t ? 'yes' : 'no'
+}`,
+      errors: [ruleError(3, 10, 'alwaysTruthy')],
+    },
+
     // Still errors on in the expected locations when ignoring RHS
     {
       options: [{ ignoreRhs: true }],