From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../js1_8_5/extensions/file-mapped-arraybuffers.js | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js (limited to 'js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js') diff --git a/js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js b/js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js new file mode 100644 index 000000000..cea0cd799 --- /dev/null +++ b/js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js @@ -0,0 +1,41 @@ +// |reftest| skip-if(!xulRuntime.shell) +// Any copyright is dedicated to the Public Domain. +// http://creativecommons.org/licenses/publicdomain/ + +function viewToString(view) +{ + return String.fromCharCode.apply(null, view); +} + +function assertThrows(f, wantException) +{ + try { + f(); + assertEq(true, false, "expected " + wantException + " exception"); + } catch (e) { + assertEq(e.name, wantException.name, e.toString()); + } +} + +function test() { + var filename = "file-mapped-arraybuffers.txt"; + var buffer = createMappedArrayBuffer(filename); + var view = new Uint8Array(buffer); + assertEq(viewToString(view), "01234567abcdefghijkl"); + + var buffer2 = createMappedArrayBuffer(filename, 8); + view = new Uint8Array(buffer2); + assertEq(viewToString(view), "abcdefghijkl"); + + var buffer3 = createMappedArrayBuffer(filename, 0, 8); + view = new Uint8Array(buffer3); + assertEq(viewToString(view), "01234567"); + + // Check that invalid sizes and offsets are caught + assertThrows(() => createMappedArrayBuffer("empty.txt", 8), RangeError); + assertThrows(() => createMappedArrayBuffer("empty.txt", 0, 8), Error); +} + +if (getBuildConfiguration()["mapped-array-buffer"]) + test(); +reportCompare(0, 0, 'ok'); -- cgit v1.2.3