1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-lineCount.js b/js/src/jit-test/tests/debug/Script-lineCount.js
new file mode 100644
index 000000000..8eff08112
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-lineCount.js
@@ -0,0 +1,23 @@
+// Test Script.lineCount.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+
+function test(scriptText, expectedLineCount) {
+  let found = false;
+
+  dbg.onNewScript = function(script, global) {
+    assertEq(script.lineCount, expectedLineCount);
+    found = true;
+  };
+
+  g.evaluate(scriptText);
+  assertEq(found, true);
+}
+
+src = 'var a = (function(){\n' + // 0
+      'var b = 9;\n' +           // 1
+      'console.log("x", b);\n'+  // 2
+      'return b;\n' +            // 3
+      '})();\n';                 // 4
+test(src, 5);