1 files changed, 37 insertions, 0 deletions
diff --git a/testing/mochitest/tests/browser/browser_getTestFile.js b/testing/mochitest/tests/browser/browser_getTestFile.js
new file mode 100644
index 0000000000..154bf716da
--- /dev/null
+++ b/testing/mochitest/tests/browser/browser_getTestFile.js
@@ -0,0 +1,37 @@
+add_task(async function test() {
+  SimpleTest.doesThrow(function () {
+    getTestFilePath("/browser_getTestFile.js");
+  }, "getTestFilePath rejects absolute paths");
+
+  await Promise.all([
+    IOUtils.exists(getTestFilePath("browser_getTestFile.js")).then(function (
+      exists
+    ) {
+      ok(exists, "getTestFilePath consider the path as being relative");
+    }),
+
+    IOUtils.exists(getTestFilePath("./browser_getTestFile.js")).then(function (
+      exists
+    ) {
+      ok(exists, "getTestFilePath also accepts explicit relative path");
+    }),
+
+    IOUtils.exists(getTestFilePath("./browser_getTestFileTypo.xul")).then(
+      function (exists) {
+        ok(!exists, "getTestFilePath do not throw if the file doesn't exists");
+      }
+    ),
+
+    IOUtils.readUTF8(getTestFilePath("test-dir/test-file")).then(function (
+      content
+    ) {
+      is(content, "foo\n", "getTestFilePath can reach sub-folder files 1/2");
+    }),
+
+    IOUtils.readUTF8(getTestFilePath("./test-dir/test-file")).then(function (
+      content
+    ) {
+      is(content, "foo\n", "getTestFilePath can reach sub-folder files 2/2");
+    }),
+  ]);
+});