From 730ad8695f8bb82cf1e5396ad484604f563ff8b8 Mon Sep 17 00:00:00 2001
From: "eungyu.lee" <eungyu.lee@linecorp.com>
Date: Tue, 28 Feb 2023 15:42:41 +0900
Subject: [PATCH] test: Check the context line seen through n steps after
 calling setContextLineNumber

---
 test/fixtures/debugger/twenty-lines.js        | 20 +++++++++
 .../test-debugger-set-context-line-number.mjs | 44 +++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 test/fixtures/debugger/twenty-lines.js
 create mode 100644 test/sequential/test-debugger-set-context-line-number.mjs

diff --git a/test/fixtures/debugger/twenty-lines.js b/test/fixtures/debugger/twenty-lines.js
new file mode 100644
index 00000000000000..4aa152202f6742
--- /dev/null
+++ b/test/fixtures/debugger/twenty-lines.js
@@ -0,0 +1,20 @@
+let x = 0;
+x = 1;
+x = 2;
+x = 3;
+x = 4;
+x = 5;
+x = 6;
+x = 7;
+x = 8;
+x = 9;
+x = 10;
+x = 11;
+x = 12;
+x = 13;
+x = 14;
+x = 15;
+x = 16;
+x = 17;
+x = 18;
+module.exports = x;
\ No newline at end of file
diff --git a/test/sequential/test-debugger-set-context-line-number.mjs b/test/sequential/test-debugger-set-context-line-number.mjs
new file mode 100644
index 00000000000000..75e2f0e9a74f02
--- /dev/null
+++ b/test/sequential/test-debugger-set-context-line-number.mjs
@@ -0,0 +1,44 @@
+import { skipIfInspectorDisabled } from '../common/index.mjs';
+skipIfInspectorDisabled();
+
+import { path } from '../common/fixtures.mjs';
+import startCLI from '../common/debugger.js';
+
+import assert from 'assert';
+
+const script = path('debugger', 'twenty-lines.js');
+const cli = startCLI([script]);
+
+function onFatal(error) {
+  cli.quit();
+  throw error;
+}
+
+function getLastLine(output) {
+  const splitedByLine = output.split(';');
+  return splitedByLine[splitedByLine.length - 2];
+}
+
+// Stepping through breakpoints.
+try {
+  await cli.waitForInitialBreak();
+  await cli.waitForPrompt();
+
+  // Make sure the initial value is 2.
+  await cli.stepCommand('n');
+  assert.ok(getLastLine(cli.output).includes('4 x = 3'));
+
+  await cli.command('setContextLineNumber(5)');
+  await cli.stepCommand('n');
+  assert.ok(getLastLine(cli.output).includes('8 x = 7'));
+
+  await cli.command('setContextLineNumber(3)');
+  await cli.stepCommand('n');
+  assert.ok(getLastLine(cli.output).includes('7 x = 6'));
+  await cli.command('list(3)');
+  assert.ok(getLastLine(cli.output).includes('7 x = 6'));
+
+  await cli.quit();
+} catch (error) {
+  onFatal(error);
+}