Switch executable semantics to use ErrorBuilder directly and relocate macros (#1184)

executable_semantics/common/error_builders_test.cpp

@@ -0,0 +1,30 @@
+// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
+// Exceptions. See /LICENSE for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include "executable_semantics/common/error_builders.h"
+
+#include <gtest/gtest.h>
+
+#include "executable_semantics/common/source_location.h"
+
+namespace Carbon::Testing {
+namespace {
+
+TEST(ErrorBuildersTest, CompilationError) {
+  Error err = CompilationError(SourceLocation("x", 1)) << "test";
+  EXPECT_EQ(err.message(), "COMPILATION ERROR: x:1: test");
+}
+
+TEST(ErrorBuildersTest, ProgramError) {
+  Error err = ProgramError(SourceLocation("x", 1)) << "test";
+  EXPECT_EQ(err.message(), "PROGRAM ERROR: x:1: test");
+}
+
+TEST(ErrorBuildersTest, RuntimeError) {
+  Error err = RuntimeError(SourceLocation("x", 1)) << "test";
+  EXPECT_EQ(err.message(), "RUNTIME ERROR: x:1: test");
+}
+
+}  // namespace
+}  // namespace Carbon::Testing