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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jsapi-tests/testExternalArrayBuffer.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jsapi-tests/testExternalArrayBuffer.cpp')
-rw-r--r--js/src/jsapi-tests/testExternalArrayBuffer.cpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testExternalArrayBuffer.cpp b/js/src/jsapi-tests/testExternalArrayBuffer.cpp
new file mode 100644
index 000000000..cb864d37c
--- /dev/null
+++ b/js/src/jsapi-tests/testExternalArrayBuffer.cpp
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ */
+
+#include "jsfriendapi.h"
+#include "jsapi-tests/tests.h"
+#include "vm/ArrayBufferObject.h"
+
+char test_data[] = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+static void GC(JSContext* cx)
+{
+ JS_GC(cx);
+ // Trigger another to wait for background finalization to end.
+ JS_GC(cx);
+}
+
+BEGIN_TEST(testExternalArrayBuffer)
+{
+ size_t length = sizeof(test_data);
+ JS::RootedObject obj(cx, JS_NewArrayBufferWithExternalContents(cx, length, test_data));
+ GC(cx);
+ CHECK(VerifyObject(obj, length));
+ GC(cx);
+ JS_DetachArrayBuffer(cx, obj);
+ GC(cx);
+ CHECK(VerifyObject(obj, 0));
+
+ return true;
+}
+
+bool VerifyObject(JS::HandleObject obj, uint32_t length)
+{
+ JS::AutoCheckCannotGC nogc;
+
+ CHECK(obj);
+ CHECK(JS_IsArrayBufferObject(obj));
+ CHECK_EQUAL(JS_GetArrayBufferByteLength(obj), length);
+ bool sharedDummy;
+ const char* data =
+ reinterpret_cast<const char*>(JS_GetArrayBufferData(obj, &sharedDummy, nogc));
+ CHECK(data);
+ CHECK(test_data == data);
+
+ return true;
+}
+
+END_TEST(testExternalArrayBuffer)