1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/self-test/readlineBuf.js b/js/src/jit-test/tests/self-test/readlineBuf.js
new file mode 100644
index 0000000000..1430c4ae49
--- /dev/null
+++ b/js/src/jit-test/tests/self-test/readlineBuf.js
@@ -0,0 +1,42 @@
+load(libdir + "asserts.js");
+
+assertThrowsInstanceOf(function () { readlineBuf() }, Error);
+
+var testBuffers = [
+    "foo\nbar\nbaz\n",
+    "foo\nbar\nbaz",
+    "foo\n\nbar\nbaz",
+    "f",
+    "\n",
+    "\nf",
+    "",
+    "Ää\n\u{10ffff}",
+];
+
+var expected = [
+    [ "foo", "bar", "baz" ],
+    [ "foo", "bar", "baz" ],
+    [ "foo", "", "bar", "baz" ],
+    [ "f" ],
+    [ "" ],
+    [ "", "f" ],
+    [],
+    ["Ää", "\u{10ffff}"],
+];
+
+for (var [idx, testValue] of testBuffers.entries()) {
+    readlineBuf(testValue);
+    var result = [];
+
+    while ((line = readlineBuf()) != null) {
+        result.push(line);
+    }
+
+    assertDeepEq(result, expected[idx]);
+}
+
+readlineBuf(testBuffers[0]);
+readlineBuf();
+readlineBuf();
+readlineBuf(testBuffers[3]);
+assertEq(readlineBuf(), expected[3][0]);