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test(swift-sdk): assert transaction decoder error cases #3993

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test(swift-sdk): assert transaction decoder error cases #3993

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25 changes: 21 additions & 4 deletions packages/swift-sdk/SwiftTests/SwiftDashSDKTests/TransactionDecoderTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,6 @@ final class TransactionDecoderTests: XCTestCase {
func testTxidDisplayHexMatchesExplorerOrder() throws {
let decoded = try TransactionDecoder.decode(fixtureData, network: .testnet)
XCTAssertEqual(decoded.txidDisplayHex, Self.fixtureTxidDisplay)
XCTAssertEqual(decoded.txid, Data(decoded.txid.reversed().reversed()))
}

func testNetworkChangesRenderedAddresses() throws {
Expand All @@ -70,11 +69,29 @@ final class TransactionDecoderTests: XCTestCase {
func testMalformedBytesThrowDeserialization() {
var bytes = fixtureData
bytes.append(contentsOf: [0xDE, 0xAD]) // trailing garbage
XCTAssertThrowsError(try TransactionDecoder.decode(bytes, network: .testnet))
XCTAssertThrowsError(try TransactionDecoder.decode(Data([0xFF, 0xFF, 0xFF]), network: .testnet))
XCTAssertThrowsError(try TransactionDecoder.decode(bytes, network: .testnet)) { error in
if case PlatformWalletError.deserialization = error {
// Expected
} else {
XCTFail("Expected deserialization error, got \(error)")
}
}
XCTAssertThrowsError(try TransactionDecoder.decode(Data([0xFF, 0xFF, 0xFF]), network: .testnet)) { error in
if case PlatformWalletError.deserialization = error {
// Expected
} else {
XCTFail("Expected deserialization error, got \(error)")
}
}
}

func testEmptyInputThrowsInvalidParameter() {
XCTAssertThrowsError(try TransactionDecoder.decode(Data(), network: .testnet))
XCTAssertThrowsError(try TransactionDecoder.decode(Data(), network: .testnet)) { error in
if case PlatformWalletError.invalidParameter = error {
// Expected
} else {
XCTFail("Expected invalidParameter error, got \(error)")
}
}
}
}
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