1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-getOffsetLocation.js b/js/src/jit-test/tests/debug/Script-getOffsetLocation.js
new file mode 100644
index 000000000..7cfc2e790
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getOffsetLocation.js
@@ -0,0 +1,37 @@
+// getOffsetLocation agrees with getAllColumnOffsets
+
+var global = newGlobal();
+Debugger(global).onDebuggerStatement = function (frame) {
+    var script = frame.script;
+    var byOffset = [];
+    script.getAllColumnOffsets().forEach(function (entry) {
+        var {lineNumber, columnNumber, offset} = entry;
+        byOffset[offset] = {lineNumber, columnNumber};
+    });
+
+    frame.onStep = function() {
+        var offset = frame.offset;
+        var location = script.getOffsetLocation(offset);
+        if (location.isEntryPoint) {
+            assertEq(location.lineNumber, byOffset[offset].lineNumber);
+            assertEq(location.columnNumber, byOffset[offset].columnNumber);
+        } else {
+            assertEq(byOffset[offset], undefined);
+        }
+    };
+};
+
+function test(body) {
+  print("Test: " + body);
+  global.eval(`function f(n) { debugger; ${body} }`);
+  global.f(3);
+}
+
+test("for (var i = 0; i < n; ++i) ;");
+test("var w0,x1=3,y2=4,z3=9");
+test("print(n),print(n),print(n)");
+test("var o={a:1,b:2,c:3}");
+test("var a=[1,2,n]");
+
+global.eval("function ppppp() { return 1; }");
+test("1 && ppppp(ppppp()) && new Error()");