1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Source-startLine-startColumn.js b/js/src/jit-test/tests/debug/Source-startLine-startColumn.js
new file mode 100644
index 0000000000..50ca279424
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Source-startLine-startColumn.js
@@ -0,0 +1,13 @@
+// Source.prototype.startLine reflects the start line and start column supplied when parsing.
+
+var g = newGlobal({ newCompartment: true });
+var dbg = new Debugger();
+var gw = dbg.addDebuggee(g);
+g.evaluate("function f(x) {}");
+var fw = gw.getOwnPropertyDescriptor("f").value;
+assertEq(fw.script.source.startLine, 1);
+assertEq(fw.script.source.startColumn, 1);
+g.evaluate("function g(x) {}", { lineNumber: 10, columnNumber: 5 });
+var gw = gw.getOwnPropertyDescriptor("g").value;
+assertEq(gw.script.source.startLine, 10);
+assertEq(gw.script.source.startColumn, 5);