diff options
Diffstat (limited to 'js/src/jit-test/tests/dataview/resizable-dataview-byteoffset-sab.js')
-rw-r--r-- | js/src/jit-test/tests/dataview/resizable-dataview-byteoffset-sab.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/dataview/resizable-dataview-byteoffset-sab.js b/js/src/jit-test/tests/dataview/resizable-dataview-byteoffset-sab.js new file mode 100644 index 0000000000..e671700586 --- /dev/null +++ b/js/src/jit-test/tests/dataview/resizable-dataview-byteoffset-sab.js @@ -0,0 +1,43 @@ +// |jit-test| --enable-arraybuffer-resizable; skip-if: !ArrayBuffer.prototype.resize||!this.SharedArrayBuffer + +function testResizableArrayBufferAutoLength() { + for (let i = 0; i < 4; ++i) { + let sab = new SharedArrayBuffer(i, {maxByteLength: i + 100}); + let ta = new DataView(sab); + for (let j = 0; j < 100; ++j) { + assertEq(ta.byteOffset, 0); + + sab.grow(i + j + 1); + assertEq(ta.byteOffset, 0); + } + } +} +for (let i = 0; i < 2; ++i) testResizableArrayBufferAutoLength(); + +function testResizableArrayBufferAutoLengthNonZeroOffset() { + for (let i = 1; i < 4 + 1; ++i) { + let sab = new SharedArrayBuffer(i + 1, {maxByteLength: i + 100 + 1}); + let ta = new DataView(sab, 1); + for (let j = 0; j < 100; ++j) { + assertEq(ta.byteOffset, 1); + + sab.grow(i + j + 2); + assertEq(ta.byteOffset, 1); + } + } +} +for (let i = 0; i < 2; ++i) testResizableArrayBufferAutoLengthNonZeroOffset(); + +function testResizableArrayBufferNonZeroOffset() { + for (let i = 2; i < 4 + 2; ++i) { + let sab = new SharedArrayBuffer(i + 2, {maxByteLength: i + 100 + 2}); + let ta = new DataView(sab, 1, 1); + for (let j = 0; j < 100; ++j) { + assertEq(ta.byteOffset, 1); + + sab.grow(i + j + 3); + assertEq(ta.byteOffset, 1); + } + } +} +for (let i = 0; i < 2; ++i) testResizableArrayBufferNonZeroOffset(); |