test: add stacktrace print test with custom backend

DNKpp · Dec 22, 2024 · 173835e · 173835e
1 parent 2a85784
commit 173835e
Showing 1 changed file with 66 additions and 0 deletions.
diff --git a/test/custom-stacktrace-tests/CustomStacktrace.cpp b/test/custom-stacktrace-tests/CustomStacktrace.cpp
@@ -155,3 +155,69 @@ TEST_CASE(
         }
     }
 }
+
+TEST_CASE(
+    "Stacktrace is printable.",
+    "[stacktrace]")
+{
+    using trompeloeil::_;
+    using traits_t = stacktrace_traits<CustomBackend>;
+    const Stacktrace stacktrace{CustomBackend{}};
+
+    SECTION("When stacktrace is empty")
+    {
+        REQUIRE_CALL(traits_t::emptyMock, Invoke(_))
+            .RETURN(true);
+
+        const auto text = mimicpp::print(stacktrace);
+        REQUIRE_THAT(
+            text,
+            Catch::Matchers::Equals("empty"));
+    }
+
+    SECTION("When stacktrace contains one entry.")
+    {
+        REQUIRE_CALL(traits_t::emptyMock, Invoke(_))
+            .RETURN(false);
+        REQUIRE_CALL(traits_t::sizeMock, Invoke(_))
+            .RETURN(1u);
+        REQUIRE_CALL(traits_t::sourceMock, Invoke(_, 0u))
+            .RETURN("test.cpp");
+        REQUIRE_CALL(traits_t::lineMock, Invoke(_, 0u))
+            .RETURN(1337u);
+        REQUIRE_CALL(traits_t::descriptionMock, Invoke(_, 0u))
+            .RETURN("Hello, World!");
+
+        const auto text = mimicpp::print(stacktrace);
+        REQUIRE_THAT(
+            text,
+            Catch::Matchers::Equals("test.cpp [1337], Hello, World!\n"));
+    }
+
+    SECTION("When stacktrace contains multiple entries.")
+    {
+        REQUIRE_CALL(traits_t::emptyMock, Invoke(_))
+            .RETURN(false);
+        REQUIRE_CALL(traits_t::sizeMock, Invoke(_))
+            .RETURN(2u);
+        REQUIRE_CALL(traits_t::sourceMock, Invoke(_, 0u))
+            .RETURN("other-test.cpp");
+        REQUIRE_CALL(traits_t::lineMock, Invoke(_, 0u))
+            .RETURN(42u);
+        REQUIRE_CALL(traits_t::descriptionMock, Invoke(_, 0u))
+            .RETURN("Hello, mimic++!");
+        REQUIRE_CALL(traits_t::sourceMock, Invoke(_, 1u))
+            .RETURN("test.cpp");
+        REQUIRE_CALL(traits_t::lineMock, Invoke(_, 1u))
+            .RETURN(1337u);
+        REQUIRE_CALL(traits_t::descriptionMock, Invoke(_, 1u))
+            .RETURN("Hello, World!");
+
+        const auto text = mimicpp::print(stacktrace);
+        REQUIRE_THAT(
+            text,
+            Catch::Matchers::Equals(
+                "other-test.cpp [42], Hello, mimic++!\n"
+                "test.cpp [1337], Hello, World!\n"));
+    }
+}