1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-getOffsetLine-01.js b/js/src/jit-test/tests/debug/Script-getOffsetLine-01.js
new file mode 100644
index 0000000000..65a1f50c53
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getOffsetLine-01.js
@@ -0,0 +1,25 @@
+// Basic getOffsetLocation test, using Error.lineNumber as the gold standard.
+
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+var hits;
+dbg.onDebuggerStatement = function (frame) {
+    var knownLine = frame.eval("line").return;
+    assertEq(frame.script.getOffsetLocation(frame.offset).lineNumber, knownLine);
+    hits++;
+};
+
+hits = 0;
+g.eval("var line = new Error().lineNumber; debugger;");
+assertEq(hits, 1);
+
+hits = 0;
+g.eval("var s = 2 + 2;\n" +
+       "s += 2;\n" +
+       "line = new Error().lineNumber; debugger;\n" +
+       "s += 2;\n" +
+       "s += 2;\n" +
+       "line = new Error().lineNumber; debugger;\n" +
+       "s += 2;\n" +
+       "assertEq(s, 12);\n");
+assertEq(hits, 2);