test: add test

test/reporters/fixtures/code-frame-line-limit.test.ts

@@ -0,0 +1,6 @@
+import { test, expect } from "vitest"
+
+test("basic", () => {
+  // line length is 85 but highlight makes this line 245 chars
+  expect([{ prop: 7 }, { prop: 7 }, { prop: 7 }, { prop: 7 }]).toBe([{ another: 8 }])
+})

test/reporters/tests/code-frame-line-limit.test.ts

@@ -0,0 +1,9 @@
+import { expect, test } from 'vitest'
+import { resolve } from 'pathe'
+import { runVitest } from '../../test-utils'
+
+test('show code frame', async () => {
+  const filename = resolve('./fixtures/code-frame-line-limit.test.ts')
+  const { stderr } = await runVitest({ root: './fixtures' }, [filename])
+  expect(stderr).toContain('5|   expect([{ prop: 7 },')
+})