Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / @protobufjs / pool / tests / index.js

diff --git a/legacy-libs/@protobufjs/pool/tests/index.js b/legacy-libs/@protobufjs/pool/tests/index.js
new file mode 100644 (file)
index 0000000..dc488b8
--- /dev/null
+++ b/legacy-libs/@protobufjs/pool/tests/index.js
@@ -0,0 +1,33 @@
+var tape = require("tape");\r
+\r
+var pool = require("..");\r
+\r
+if (typeof Uint8Array !== "undefined")\r
+tape.test("pool", function(test) {\r
+\r
+    var alloc = pool(function(size) { return new Uint8Array(size); }, Uint8Array.prototype.subarray);\r
+\r
+    var buf1 = alloc(0);\r
+    test.equal(buf1.length, 0, "should allocate a buffer of size 0");\r
+\r
+    var buf2 = alloc(1);\r
+    test.equal(buf2.length, 1, "should allocate a buffer of size 1 (initializes slab)");\r
+\r
+    test.notEqual(buf2.buffer, buf1.buffer, "should not reference the same backing buffer if previous buffer had size 0");\r
+    test.equal(buf2.byteOffset, 0, "should allocate at byteOffset 0 when using a new slab");\r
+\r
+    buf1 = alloc(1);\r
+    test.equal(buf1.buffer, buf2.buffer, "should reference the same backing buffer when allocating a chunk fitting into the slab");\r
+    test.equal(buf1.byteOffset, 8, "should align slices to 32 bit and this allocate at byteOffset 8");\r
+\r
+    var buf3 = alloc(4097);\r
+    test.notEqual(buf3.buffer, buf2.buffer, "should not reference the same backing buffer when allocating a buffer larger than half the backing buffer's size");\r
+\r
+    buf2 = alloc(4096);\r
+    test.equal(buf2.buffer, buf1.buffer, "should reference the same backing buffer when allocating a buffer smaller or equal than half the backing buffer's size");\r
+\r
+    buf1 = alloc(4096);\r
+    test.notEqual(buf1.buffer, buf2.buffer, "should not reference the same backing buffer when the slab is exhausted (initializes new slab)");\r
+\r
+    test.end();\r
+});
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