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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/FileAPI/support/Blob.js | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/FileAPI/support/Blob.js')
-rw-r--r-- | testing/web-platform/tests/FileAPI/support/Blob.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/testing/web-platform/tests/FileAPI/support/Blob.js b/testing/web-platform/tests/FileAPI/support/Blob.js new file mode 100644 index 0000000000..2c24974685 --- /dev/null +++ b/testing/web-platform/tests/FileAPI/support/Blob.js @@ -0,0 +1,70 @@ +'use strict' + +self.test_blob = (fn, expectations) => { + var expected = expectations.expected, + type = expectations.type, + desc = expectations.desc; + + var t = async_test(desc); + t.step(function() { + var blob = fn(); + assert_true(blob instanceof Blob); + assert_false(blob instanceof File); + assert_equals(blob.type, type); + assert_equals(blob.size, expected.length); + + var fr = new FileReader(); + fr.onload = t.step_func_done(function(event) { + assert_equals(this.result, expected); + }, fr); + fr.onerror = t.step_func(function(e) { + assert_unreached("got error event on FileReader"); + }); + fr.readAsText(blob, "UTF-8"); + }); +} + +self.test_blob_binary = (fn, expectations) => { + var expected = expectations.expected, + type = expectations.type, + desc = expectations.desc; + + var t = async_test(desc); + t.step(function() { + var blob = fn(); + assert_true(blob instanceof Blob); + assert_false(blob instanceof File); + assert_equals(blob.type, type); + assert_equals(blob.size, expected.length); + + var fr = new FileReader(); + fr.onload = t.step_func_done(function(event) { + assert_true(this.result instanceof ArrayBuffer, + "Result should be an ArrayBuffer"); + assert_array_equals(new Uint8Array(this.result), expected); + }, fr); + fr.onerror = t.step_func(function(e) { + assert_unreached("got error event on FileReader"); + }); + fr.readAsArrayBuffer(blob); + }); +} + +// Assert that two TypedArray objects have the same byte values +self.assert_equals_typed_array = (array1, array2) => { + const [view1, view2] = [array1, array2].map((array) => { + assert_true(array.buffer instanceof ArrayBuffer, + 'Expect input ArrayBuffers to contain field `buffer`'); + return new DataView(array.buffer, array.byteOffset, array.byteLength); + }); + + assert_equals(view1.byteLength, view2.byteLength, + 'Expect both arrays to be of the same byte length'); + + const byteLength = view1.byteLength; + + for (let i = 0; i < byteLength; ++i) { + assert_equals(view1.getUint8(i), view2.getUint8(i), + `Expect byte at buffer position ${i} to be equal`); + } +} |