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| 1 <!DOCTYPE html> |
| 2 <title>Mojo shared buffer tests</title> |
| 3 <script src="../resources/testharness.js"></script> |
| 4 <script src="../resources/testharnessreport.js"></script> |
| 5 <script> |
| 6 |
| 7 let kBufferSize = 32; |
| 8 |
| 9 test(() => { |
| 10 let {result, handle} = Mojo.createSharedBuffer(kBufferSize); |
| 11 assert_equals(result, Mojo.RESULT_OK); |
| 12 assert_true(handle instanceof MojoHandle); |
| 13 }, "Create shared buffer"); |
| 14 |
| 15 test(() => { |
| 16 let {handle} = Mojo.createSharedBuffer(kBufferSize); |
| 17 let {result, buffer} = handle.mapBuffer(0, kBufferSize); |
| 18 assert_equals(result, Mojo.RESULT_OK); |
| 19 assert_true(buffer instanceof ArrayBuffer); |
| 20 }, "Map shared buffer"); |
| 21 |
| 22 test(() => { |
| 23 let {handle: handle0} = Mojo.createSharedBuffer(kBufferSize); |
| 24 let {result, handle: handle1} = handle0.duplicateBufferHandle(); |
| 25 assert_equals(result, Mojo.RESULT_OK); |
| 26 assert_true(handle1 instanceof MojoHandle); |
| 27 assert_not_equals(handle1, handle0); |
| 28 }, "Duplicate RW shared buffer handle"); |
| 29 |
| 30 test(() => { |
| 31 let {handle: handle0} = Mojo.createSharedBuffer(kBufferSize); |
| 32 let {result, handle: handle1} = handle0.duplicateBufferHandle({readOnly: true}
); |
| 33 assert_equals(result, Mojo.RESULT_OK); |
| 34 assert_true(handle1 instanceof MojoHandle); |
| 35 assert_not_equals(handle1, handle0); |
| 36 }, "Duplicate RO shared buffer handle"); |
| 37 |
| 38 test(() => { |
| 39 let {handle: handle0} = Mojo.createSharedBuffer(kBufferSize); |
| 40 let {buffer: buffer0} = handle0.mapBuffer(0, kBufferSize); |
| 41 let array0 = new Uint8Array(buffer0); |
| 42 |
| 43 let {handle: handle1} = handle0.duplicateBufferHandle({readOnly: true}); |
| 44 let {buffer: buffer1} = handle1.mapBuffer(0, kBufferSize); |
| 45 let array1 = new Uint8Array(buffer1); |
| 46 |
| 47 assert_not_equals(buffer1, buffer0); |
| 48 for (let i = 0; i < kBufferSize; ++i) { |
| 49 array0[i] = i; |
| 50 assert_equals(array1[i], i); |
| 51 } |
| 52 }, "Read from RO shared buffer handle"); |
| 53 |
| 54 test(() => { |
| 55 let {handle: handle0} = Mojo.createSharedBuffer(kBufferSize); |
| 56 let {buffer: buffer0} = handle0.mapBuffer(0, kBufferSize); |
| 57 let array0 = new Uint8Array(buffer0); |
| 58 |
| 59 let {handle: handle1} = handle0.duplicateBufferHandle(); |
| 60 let {buffer: buffer1} = handle1.mapBuffer(0, kBufferSize); |
| 61 let array1 = new Uint8Array(buffer1); |
| 62 |
| 63 assert_not_equals(buffer1, buffer0); |
| 64 for (let i = 0; i < kBufferSize; ++i) { |
| 65 array1[i] = i; |
| 66 assert_equals(array0[i], i); |
| 67 } |
| 68 }, "Write to RW shared buffer handle"); |
| 69 |
| 70 </script> |
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Chromium Code Reviews
Issue 2720873002:
Implements JS bindings for mojo shared buffer. (Closed)
