tests/libxrpl/protocol/STXChainBridge.cpp

#include <xrpl/protocol/STXChainBridge.h>
 
#include <xrpl/protocol/AccountID.h>
#include <xrpl/protocol/Issue.h>
#include <xrpl/protocol/UintTypes.h>
 
#include <gtest/gtest.h>
 
#include <string>
#include <string_view>
 
using namespace xrpl;
 
namespace {
 
// Built from raw bytes rather than base58 so the test does not depend on
// hand-computed checksums.
AccountID
account(std::string_view hex)
{
    AccountID id;
    EXPECT_TRUE(id.parseHex(hex));
    return id;
}
 
}  // namespace
 
// getText() builds its string from eight substitutions of the same type, so a
// transposed pair would still compile and still type check. Pin the output so
// the field/value pairing is actually verified.
TEST(STXChainBridge, get_text_pairs_each_field_with_its_value)
{
    auto const lockingDoor = account("0102030405060708090A0B0C0D0E0F1011121314");
    auto const issuingDoor = account("14131211100F0E0D0C0B0A090807060504030201");
 
    auto const lockingIssue = xrpIssue();
    Issue const issuingIssue{toCurrency("USD"), issuingDoor};
 
    STXChainBridge const bridge{lockingDoor, lockingIssue, issuingDoor, issuingIssue};
 
    std::string const expected = "{ LockingChainDoor = " + toBase58(lockingDoor) +
        ", LockingChainIssue = " + lockingIssue.getText() +
        ", IssuingChainDoor = " + toBase58(issuingDoor) +
        ", IssuingChainIssue = " + issuingIssue.getText() + " }";
 
    EXPECT_EQ(bridge.getText(), expected);
}
 
TEST(STXChainBridge, get_text_on_a_default_bridge)
{
    STXChainBridge const bridge;
    auto const text = bridge.getText();
 
    // The outer braces are literal, and the four field names appear in
    // declaration order regardless of the values.
    EXPECT_TRUE(text.starts_with("{ LockingChainDoor = "));
    EXPECT_TRUE(text.ends_with(" }"));
    EXPECT_LT(text.find("LockingChainIssue"), text.find("IssuingChainDoor"));
    EXPECT_LT(text.find("IssuingChainDoor"), text.find("IssuingChainIssue"));
}