Address reviewer's feedback - add STIssue_test unit-test

src/test/protocol/STIssue_test.cpp

@@ -0,0 +1,164 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2024 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <test/jtx.h>
+#include <xrpl/beast/unit_test.h>
+#include <xrpl/protocol/STIssue.h>
+
+namespace ripple {
+namespace test {
+
+class STIssue_test : public beast::unit_test::suite
+{
+public:
+    void
+    testConstructor()
+    {
+        testcase("Constructor");
+        using namespace jtx;
+        Account const alice{"alice"};
+        auto const USD = alice["USD"];
+        Issue issue;
+
+        try
+        {
+            issue = xrpIssue();
+            issue.account = alice;
+            STIssue stissue(sfAsset, Asset{issue});
+            fail("Inconsistent XRP Issue doesn't fail");
+        }
+        catch (...)
+        {
+            pass();
+        }
+
+        try
+        {
+            issue = USD;
+            issue.account = xrpAccount();
+            STIssue stissue(sfAsset, Asset{issue});
+            fail("Inconsistent IOU Issue doesn't fail");
+        }
+        catch (...)
+        {
+            pass();
+        }
+
+        try
+        {
+            // Currency is USD but account is XRP
+            auto const data =
+                "00000000000000000000000055534400000000000000000000000000000000"
+                "000000000000000000";
+            base_uint<320> uint;
+            (void)uint.parseHex(data);
+            SerialIter iter(Slice(uint.data(), uint.size()));
+            STIssue stissue(iter, sfAsset);
+            fail("Inconsistent IOU Issue doesn't fail on serializer");
+        }
+        catch (...)
+        {
+            pass();
+        }
+
+        try
+        {
+            STIssue stissue(sfAsset, Asset{xrpIssue()});
+        }
+        catch (...)
+        {
+            fail("XRP issue failed");
+        }
+
+        try
+        {
+            STIssue stissue(sfAsset, Asset{USD});
+        }
+        catch (...)
+        {
+            fail("USD issue failed");
+        }
+
+        try
+        {
+            auto const data =
+                "0000000000000000000000005553440000000000ae123a8556f3cf91154711"
+                "376afb0f894f832b3d";
+            base_uint<320> uint;
+            (void)uint.parseHex(data);
+            SerialIter iter(Slice(uint.data(), uint.size()));
+            STIssue stissue(iter, sfAsset);
+            BEAST_EXPECT(stissue.value() == USD);
+        }
+        catch (...)
+        {
+            fail("USD Issue fails on serializer");
+        }
+
+        try
+        {
+            auto const data = "0000000000000000000000000000000000000000";
+            base_uint<160> uint;
+            (void)uint.parseHex(data);
+            SerialIter iter(Slice(uint.data(), uint.size()));
+            STIssue stissue(iter, sfAsset);
+            BEAST_EXPECT(stissue.value() == xrpCurrency());
+        }
+        catch (...)
+        {
+            fail("XRP Issue fails on serializer");
+        }
+    }
+
+    void
+    testCompare()
+    {
+        testcase("Compare");
+        using namespace jtx;
+        Account const alice{"alice"};
+        auto const USD = alice["USD"];
+        Asset const asset1{xrpIssue()};
+        Asset const asset2{USD};
+        Asset const asset3{MPTID{2}};
+
+        BEAST_EXPECT(STIssue(sfAsset, asset1) != asset2);
+        BEAST_EXPECT(STIssue(sfAsset, asset1) != asset3);
+        BEAST_EXPECT(STIssue(sfAsset, asset1) == asset1);
+        BEAST_EXPECT(STIssue(sfAsset, asset1).getText() == "XRP");
+        BEAST_EXPECT(
+            STIssue(sfAsset, asset2).getText() ==
+            "USD/rG1QQv2nh2gr7RCZ1P8YYcBUKCCN633jCn");
+        BEAST_EXPECT(
+            STIssue(sfAsset, asset3).getText() ==
+            "000000000000000000000000000000000000000000000002");
+    }
+
+    void
+    run() override
+    {
+        // compliments other unit tests to ensure complete coverage
+        testConstructor();
+        testCompare();
+    }
+};
+
+BEAST_DEFINE_TESTSUITE(STIssue, ripple_data, ripple);
+
+}  // namespace test
+}  // namespace ripple