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'use strict';

const assert = require('assert');

const cases = [];
module.exports = cases;

function exitsOnExitCodeSet() {
  process.exitCode = 42;
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 42);
    assert.strictEqual(code, 42);
  });
}
cases.push({ func: exitsOnExitCodeSet, result: 42 });

function changesCodeViaExit() {
  process.exitCode = 99;
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 42);
    assert.strictEqual(code, 42);
  });
  process.exit(42);
}
cases.push({ func: changesCodeViaExit, result: 42 });

function changesCodeZeroExit() {
  process.exitCode = 99;
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 0);
    assert.strictEqual(code, 0);
  });
  process.exit(0);
}
cases.push({ func: changesCodeZeroExit, result: 0 });

function exitWithOneOnUncaught() {
  process.exitCode = 99;
  process.on('exit', (code) => {
    // cannot use assert because it will be uncaughtException -> 1 exit code
    // that will render this test useless
    if (code !== 1 || process.exitCode !== 1) {
      console.log('wrong code! expected 1 for uncaughtException');
      process.exit(99);
    }
  });
  throw new Error('ok');
}
cases.push({
  func: exitWithOneOnUncaught,
  result: 1,
  error: /^Error: ok$/,
});

function changeCodeInsideExit() {
  process.exitCode = 95;
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 95);
    assert.strictEqual(code, 95);
    process.exitCode = 99;
  });
}
cases.push({ func: changeCodeInsideExit, result: 99 });

function zeroExitWithUncaughtHandler() {
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 0);
    assert.strictEqual(code, 0);
  });
  process.on('uncaughtException', () => {});
  throw new Error('ok');
}
cases.push({ func: zeroExitWithUncaughtHandler, result: 0 });

function changeCodeInUncaughtHandler() {
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 97);
    assert.strictEqual(code, 97);
  });
  process.on('uncaughtException', () => {
    process.exitCode = 97;
  });
  throw new Error('ok');
}
cases.push({ func: changeCodeInUncaughtHandler, result: 97 });

function changeCodeInExitWithUncaught() {
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 1);
    assert.strictEqual(code, 1);
    process.exitCode = 98;
  });
  throw new Error('ok');
}
cases.push({
  func: changeCodeInExitWithUncaught,
  result: 98,
  error: /^Error: ok$/,
});

function exitWithZeroInExitWithUncaught() {
  process.on('exit', (code) => {
    assert.strictEqual(process.exitCode, 1);
    assert.strictEqual(code, 1);
    process.exitCode = 0;
  });
  throw new Error('ok');
}
cases.push({
  func: exitWithZeroInExitWithUncaught,
  result: 0,
  error: /^Error: ok$/,
});