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Merge pull request #708 from rbasso/variable-length-quantity-schema
variable-length-quantity: Make exercise schema-compliant
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‎exercises/variable-length-quantity/canonical-data.json

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{
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"#": [
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"exercise": "variable-length-quantity",
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"version": "1.0.0",
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"comments": [
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"JSON doesn't allow hexadecimal literals.",
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"All numbers are given as decimal literals instead.",
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"It is highly recommended that your track's test generator display all numbers as hexadecimal literals."
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],
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"encode": {
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"description": ["Encode a series of integers, producing a series of bytes."],
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"cases": [
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{
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"description": "zero",
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"input": [0],
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"expected": [0]
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},
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{
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"description": "arbitrary single byte",
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"input": [64],
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"expected": [64]
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},
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{
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"description": "largest single byte",
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"input": [127],
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"expected": [127]
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},
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{
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"description": "smallest double byte",
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"input": [128],
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"expected": [129, 0]
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},
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{
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"description": "arbitrary double byte",
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"input": [8192],
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"expected": [192, 0]
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},
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{
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"description": "largest double byte",
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"input": [16383],
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"expected": [255, 127]
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},
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{
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"description": "smallest triple byte",
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"input": [16384],
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"expected": [129, 128, 0]
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},
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{
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"description": "arbitrary triple byte",
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"input": [1048576],
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"expected": [192, 128, 0]
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},
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{
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"description": "largest triple byte",
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"input": [2097151],
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"expected": [255, 255, 127]
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},
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{
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"description": "smallest quadruple byte",
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"input": [2097152],
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"expected": [129, 128, 128, 0]
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},
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{
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"description": "arbitrary quadruple byte",
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"input": [134217728],
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"expected": [192, 128, 128, 0]
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},
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{
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"description": "largest quadruple byte",
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"input": [268435455],
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"expected": [255, 255, 255, 127]
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},
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{
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"description": "smallest quintuple byte",
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"input": [268435456],
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"expected": [129, 128, 128, 128, 0]
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},
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{
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"description": "arbitrary quintuple byte",
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"input": [4278190080],
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"expected": [143, 248, 128, 128, 0]
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},
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{
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"description": "maximum 32-bit integer input",
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"input": [4294967295],
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"expected": [143, 255, 255, 255, 127]
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},
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{
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"description": "two single-byte values",
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"input": [64, 127],
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"expected": [64, 127]
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},
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{
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"description": "two multi-byte values",
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"input": [16384, 1193046],
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"expected": [129, 128, 0, 200, 232, 86]
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},
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{
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"description": "many multi-byte values",
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"input": [8192, 1193046, 268435455, 0, 16383, 16384],
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"expected": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0]
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}
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]
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},
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"decode": {
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"description": ["Decode a series of bytes, producing a series of integers."],
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"cases": [
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{
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"description": "one byte",
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"input": [127],
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"expected": [127]
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},
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{
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"description": "two bytes",
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"input": [192, 0],
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"expected": [8192]
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},
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{
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"description": "three bytes",
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"input": [255, 255, 127],
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"expected": [2097151]
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},
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{
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"description": "four bytes",
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"input": [129, 128, 128, 0],
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"expected": [2097152]
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},
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{
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"description": "maximum 32-bit integer",
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"input": [143, 255, 255, 255, 127],
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"expected": [4294967295]
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},
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{
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"description": "incomplete sequence causes error",
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"input": [255],
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"expected": null
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},
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{
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"description": "incomplete sequence causes error, even if value is zero",
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"input": [128],
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"expected": null
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},
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{
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"description": "multiple values",
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"input": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0],
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"expected": [8192, 1193046, 268435455, 0, 16383, 16384]
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}
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]
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}
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"cases": [
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{
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"description": "Encode a series of integers, producing a series of bytes.",
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"cases": [
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{
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"description": "zero",
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"property": "encode",
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"input": [0],
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"expected": [0]
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},
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{
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"description": "arbitrary single byte",
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"property": "encode",
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"input": [64],
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"expected": [64]
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},
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{
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"description": "largest single byte",
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"property": "encode",
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"input": [127],
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"expected": [127]
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},
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{
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"description": "smallest double byte",
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"property": "encode",
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"input": [128],
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"expected": [129,0]
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},
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{
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"description": "arbitrary double byte",
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"property": "encode",
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"input": [8192],
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"expected": [192, 0]
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},
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{
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"description": "largest double byte",
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"property": "encode",
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"input": [16383],
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"expected": [255, 127]
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},
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{
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"description": "smallest triple byte",
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"property": "encode",
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"input": [16384],
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"expected": [129, 128, 0]
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},
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{
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"description": "arbitrary triple byte",
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"property": "encode",
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"input": [1048576],
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"expected": [192, 128, 0]
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},
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{
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"description": "largest triple byte",
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"property": "encode",
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"input": [2097151],
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"expected": [255, 255, 127]
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},
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{
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"description": "smallest quadruple byte",
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"property": "encode",
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"input": [2097152],
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"expected": [129, 128, 128, 0]
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},
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{
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"description": "arbitrary quadruple byte",
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"property": "encode",
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"input": [134217728],
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"expected": [192, 128, 128, 0]
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},
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{
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"description": "largest quadruple byte",
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"property": "encode",
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"input": [268435455],
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"expected": [255, 255, 255, 127]
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},
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{
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"description": "smallest quintuple byte",
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"property": "encode",
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"input": [268435456],
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"expected": [129, 128, 128, 128, 0]
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},
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{
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"description": "arbitrary quintuple byte",
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"property": "encode",
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"input": [4278190080],
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"expected": [143, 248, 128, 128, 0]
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},
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{
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"description": "maximum 32-bit integer input",
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"property": "encode",
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"input": [4294967295],
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"expected": [143, 255, 255, 255, 127]
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},
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{
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"description": "two single-byte values",
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"property": "encode",
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"input": [64, 127],
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"expected": [64, 127]
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},
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{
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"description": "two multi-byte values",
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"property": "encode",
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"input": [16384, 1193046],
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"expected": [129, 128, 0, 200, 232, 86]
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},
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{
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"description": "many multi-byte values",
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"property": "encode",
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"input": [8192, 1193046, 268435455, 0, 16383, 16384],
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"expected": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0]
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}
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]
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},
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{
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"description": "Decode a series of bytes, producing a series of integers.",
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"cases": [
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{
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"description": "one byte",
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"property": "decode",
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"input": [127],
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"expected": [127]
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},
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{
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"description": "two bytes",
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"property": "decode",
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"input": [192, 0],
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"expected": [8192]
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},
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{
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"description": "three bytes",
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"property": "decode",
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"input": [255, 255, 127],
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"expected": [2097151]
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},
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{
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"description": "four bytes",
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"property": "decode",
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"input": [129, 128, 128, 0],
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"expected": [2097152]
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},
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{
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"description": "maximum 32-bit integer",
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"property": "decode",
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"input": [143, 255, 255, 255, 127],
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"expected": [4294967295]
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},
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{
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"description": "incomplete sequence causes error",
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"property": "decode",
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"input": [255],
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"expected": null
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},
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{
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"description": "incomplete sequence causes error, even if value is zero",
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"property": "decode",
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"input": [128],
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"expected": null
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},
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{
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"description": "multiple values",
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"property": "decode",
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"input": [192, 0, 200, 232, 86, 255, 255, 255, 127, 0, 255, 127, 129, 128, 0],
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"expected": [8192, 1193046, 268435455, 0, 16383, 16384]
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}
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]
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}
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]
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}

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