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56 lines
2.7 KiB
Swift
56 lines
2.7 KiB
Swift
//
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// File.swift
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//
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//
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// Created by Dmitry Bespalov on 03.01.22.
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//
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import Foundation
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import Solidity
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import XCTest
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class ArrayEncodingTests: XCTestCase {
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func testEncodeStaticElements() {
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// bytes3[] = [0xaabbcc, 0x112233] = encoded as uint256(2) bytes3[2](...) = uint256(2) (bytes3, bytes3) = uint256(2) bytes3 bytes3
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let value = Sol.Array(elements: [
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Sol.Bytes3(storage: Data([0xaa, 0xbb, 0xcc])),
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Sol.Bytes3(storage: Data([0x11, 0x22, 0x33]))
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])
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let expected = Data([
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// uint256(2)
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // 32 bytes
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// bytes3 0xaabbcc
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0xaa, 0xbb, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32 bytes
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// bytes3 0x112233
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0x11, 0x22, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32 bytes
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])
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let data = value.encode()
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XCTAssertEqual(Array(data), Array(expected))
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}
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func testDecodeStaticElements() throws {
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let data = Data([
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// uint256(2)
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // 32 bytes
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// bytes3 0xaabbcc
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0xaa, 0xbb, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32 bytes
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// bytes3 0x112233
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0x11, 0x22, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 16 bytes
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32 bytes
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])
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var value = Sol.Array<Sol.Bytes3>()
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var offset = 0
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try value.decode(from: data, offset: &offset)
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continueAfterFailure = false
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XCTAssertEqual(value.elements.count, 2)
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XCTAssertEqual(Array(value.elements[0].storage), [0xaa, 0xbb, 0xcc])
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XCTAssertEqual(Array(value.elements[1].storage), [0x11, 0x22, 0x33])
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XCTAssertEqual(offset, 96)
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}
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}
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