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-rw-r--r--js/src/jit-test/tests/debug/Script-sourceStart-03.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-sourceStart-03.js b/js/src/jit-test/tests/debug/Script-sourceStart-03.js
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index 000000000..1910dde5a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-sourceStart-03.js
@@ -0,0 +1,35 @@
+/*
+ * For arrow functions, Script.prototype.sourceStart and
+ * Script.prototype.sourceLength should comprise the entire function expression
+ * (including arguments)
+ */
+let g = newGlobal();
+let dbg = new Debugger(g);
+
+function test(string, ranges) {
+ var index = 0;
+ dbg.onNewScript = function (script) {
+ function traverse(script) {
+ script.getChildScripts().forEach(function (script) {
+ assertEq(script.sourceStart, ranges[index][0]);
+ assertEq(script.sourceLength, ranges[index][1]);
+ ++index;
+ traverse(script);
+ });
+ }
+ traverse(script);
+ };
+
+ g.eval(string);
+
+ /*
+ * In some configurations certain child scripts are listed twice, so we
+ * cannot rely on index always having the exact same value
+ */
+ assertEq(0 < index && index <= ranges.length, true);
+};
+
+test("() => {}", [[0, 8]]);
+test("(x, y) => { x * y }", [[0, 19]]);
+test("x => x * x", [[0, 10]]);
+test("x => x => x * x", [[0, 15], [5, 10], [5, 10]]);