1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/breakpoint-oom-01.js b/js/src/jit-test/tests/debug/breakpoint-oom-01.js
new file mode 100644
index 0000000000..4fd709ccd0
--- /dev/null
+++ b/js/src/jit-test/tests/debug/breakpoint-oom-01.js
@@ -0,0 +1,41 @@
+// |jit-test| skip-if: !('oomTest' in this)
+
+// Test for OOM hitting a breakpoint in a generator.
+//
+// (The purpose is to test OOM-handling in the code that creates the
+// Debugger.Frame object and associates it with the generator object.)
+
+let g = newGlobal({newCompartment: true});
+g.eval(`\
+    function* gen(x) {  // line 1
+        x++;            // 2
+        yield x;        // 3
+    }                   // 4
+`);
+
+let dbg = new Debugger;
+
+// On OOM in the debugger, propagate it to the debuggee.
+dbg.uncaughtExceptionHook = exc => exc === "out of memory" ? {throw: exc} : null;
+
+let gw = dbg.addDebuggee(g);
+let script = gw.makeDebuggeeValue(g.gen).script;
+let hits = 0;
+let handler = {
+    hit(frame) {
+        hits++;
+        print("x=", frame.environment.getVariable("x"));
+    }
+};
+for (let offset of script.getLineOffsets(2))
+    script.setBreakpoint(offset, handler);
+
+let result;
+oomTest(() => {
+    hits = 0;
+    result = g.gen(1).next();
+}, false);
+assertEq(hits, 1);
+assertEq(result.done, false);
+assertEq(result.value, 2);
+