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node_modules/process-warning/test/emit-reset.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const { createWarning } = require('../')
+const { withResolvers } = require('./promise')
+
+test('a limited warning can be re-set', t => {
+  t.plan(4)
+
+  const { promise, resolve } = withResolvers()
+  let count = 0
+  process.on('warning', onWarning)
+  function onWarning () {
+    count++
+  }
+
+  const warn = createWarning({
+    name: 'TestDeprecation',
+    code: 'CODE',
+    message: 'Hello world'
+  })
+
+  warn()
+  t.assert.ok(warn.emitted)
+
+  warn()
+  t.assert.ok(warn.emitted)
+
+  warn.emitted = false
+  warn()
+  t.assert.ok(warn.emitted)
+
+  setImmediate(() => {
+    t.assert.deepStrictEqual(count, 2)
+    process.removeListener('warning', onWarning)
+    resolve()
+  })
+
+  return promise
+})