diff --git a/api-testcases/test-global-stash.c b/api-testcases/test-global-stash.c
new file mode 100644
index 00000000..42626ae2
--- /dev/null
+++ b/api-testcases/test-global-stash.c
@@ -0,0 +1,25 @@
+/*===
+top: 0
+top: 1
+top: 0
+value: 123
+top: 0
+===*/
+
+void test(duk_context *ctx) {
+	printf("top: %d\n", duk_get_top(ctx));
+	duk_push_global_stash(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_int(ctx, 123);
+	duk_put_prop_string(ctx, -2, "myvalue");
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_global_stash(ctx);
+	duk_get_prop_string(ctx, -1, "myvalue");
+	printf("value: %d\n", duk_get_int(ctx, -1));
+	duk_pop(ctx);
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+}
diff --git a/api-testcases/test-heap-stash.c b/api-testcases/test-heap-stash.c
new file mode 100644
index 00000000..4ad6b9a1
--- /dev/null
+++ b/api-testcases/test-heap-stash.c
@@ -0,0 +1,25 @@
+/*===
+top: 0
+top: 1
+top: 0
+value: 123
+top: 0
+===*/
+
+void test(duk_context *ctx) {
+	printf("top: %d\n", duk_get_top(ctx));
+	duk_push_heap_stash(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_int(ctx, 123);
+	duk_put_prop_string(ctx, -2, "myvalue");
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_heap_stash(ctx);
+	duk_get_prop_string(ctx, -1, "myvalue");
+	printf("value: %d\n", duk_get_int(ctx, -1));
+	duk_pop(ctx);
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+}
diff --git a/api-testcases/test-thread-stash.c b/api-testcases/test-thread-stash.c
new file mode 100644
index 00000000..30769c1b
--- /dev/null
+++ b/api-testcases/test-thread-stash.c
@@ -0,0 +1,52 @@
+/*===
+top: 2
+top: 3
+top: 2
+top: 3
+top: 2
+value: 123
+top: 2
+value: 234
+top: 2
+===*/
+
+void test(duk_context *ctx) {
+	duk_context *ctx1;
+	duk_context *ctx2;
+
+	duk_push_thread(ctx);
+	ctx1 = duk_get_context(ctx, -1);
+	duk_push_thread(ctx);
+	ctx2 = duk_get_context(ctx, -1);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_thread_stash(ctx, ctx1);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_int(ctx, 123);
+	duk_put_prop_string(ctx, -2, "myvalue");
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_thread_stash(ctx, ctx2);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_int(ctx, 234);
+	duk_put_prop_string(ctx, -2, "myvalue");
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_thread_stash(ctx, ctx1);
+	duk_get_prop_string(ctx, -1, "myvalue");
+	printf("value: %d\n", duk_get_int(ctx, -1));
+	duk_pop(ctx);
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+
+	duk_push_thread_stash(ctx, ctx2);
+	duk_get_prop_string(ctx, -1, "myvalue");
+	printf("value: %d\n", duk_get_int(ctx, -1));
+	duk_pop(ctx);
+	duk_pop(ctx);
+	printf("top: %d\n", duk_get_top(ctx));
+}