1 files changed, 88 insertions, 0 deletions
diff --git a/toolkit/components/asyncshutdown/tests/xpcshell/test_converters.js b/toolkit/components/asyncshutdown/tests/xpcshell/test_converters.js
new file mode 100644
index 000000000..c6c923187
--- /dev/null
+++ b/toolkit/components/asyncshutdown/tests/xpcshell/test_converters.js
@@ -0,0 +1,88 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Test conversion between nsIPropertyBag and JS values.
+ */
+
+var PropertyBagConverter = asyncShutdownService.wrappedJSObject._propertyBagConverter;
+
+function run_test() {
+  test_conversions();
+}
+
+function normalize(obj) {
+  if (obj == null || typeof obj != "object") {
+    return obj;
+  }
+  if (Array.isArray(obj)) {
+    return obj.map(normalize);
+  }
+  let result = {};
+  for (let k of Object.keys(obj).sort()) {
+    result[k] = normalize(obj[k]);
+  }
+  return result;
+}
+
+function test_conversions() {
+  const SAMPLES = [
+    // Simple values
+    1,
+    true,
+    "string",
+    null,
+
+    // Objects
+    {
+      a: 1,
+      b: true,
+      c: "string",
+      d:.5,
+      e: [2, false, "another string", .3],
+      f: [],
+      g: {
+        a2: 1,
+        b2: true,
+        c2: "string",
+        d2:.5,
+        e2: [2, false, "another string", .3],
+        f2: [],
+        g2: [{
+          a3: 1,
+          b3: true,
+          c3: "string",
+          d3:.5,
+          e3: [2, false, "another string", .3],
+          f3: [],
+          g3: {}
+        }]
+      }
+    }];
+
+  for (let sample of SAMPLES) {
+    let stringified = JSON.stringify(normalize(sample), null, "\t");
+    do_print("Testing conversions of " + stringified);
+    let rewrites = [sample];
+    for (let i = 1; i < 3; ++i) {
+      let source = rewrites[i - 1];
+      let bag = PropertyBagConverter.fromValue(source);
+      do_print(" => " + bag);
+      if (source == null) {
+        Assert.ok(bag == null, "The bag is null");
+      } else if (typeof source == "object") {
+        Assert.ok(bag instanceof Ci.nsIPropertyBag, "The bag is a property bag");
+      } else {
+        Assert.ok(typeof bag != "object", "The bag is not an object");
+      }
+      let dest = PropertyBagConverter.toValue(bag);
+      let restringified = JSON.stringify(normalize(dest), null, "\t");
+      do_print("Comparing");
+      do_print(stringified);
+      do_print(restringified);
+      Assert.deepEqual(sample, dest, "Testing after " + i + " conversions");
+      rewrites.push(dest);
+    }
+  }
+}