Add global definition

1 files changed, 57 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerGlobalDefinitionTests.java b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerGlobalDefinitionTests.java
new file mode 100644
index 00000000..f1535cce
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/backends/llvm/ir/LlvmIrSerializerGlobalDefinitionTests.java
@@ -0,0 +1,57 @@
+package org.shedlang.compiler.backends.llvm.ir;
+
+import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.backends.llvm.ir.ast.LlvmGlobalDefinition;
+import org.shedlang.compiler.backends.llvm.ir.ast.LlvmIr;
+import org.shedlang.compiler.backends.llvm.ir.ast.types.LlvmTypes;
+
+import static org.shedlang.compiler.backends.llvm.ir.LlvmIrSerializerTesting.serializeToString;
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public class LlvmIrSerializerGlobalDefinitionTests {
+    @Test
+    public void canSerializeGlobalDefinitionWithTypeAndValue() {
+        var definition = new LlvmGlobalDefinition(
+            "x",
+            LlvmTypes.INT_64,
+            LlvmIr.operandInt(42),
+            false,
+            false
+        );
+
+        var result = serializeToString(definition, LlvmIrSerializer::serializeTopLevelEntity);
+
+        assertThat(result, equalTo("@x = global i64 42\n"));
+    }
+
+    @Test
+    public void canSerializeConstant() {
+        var definition = new LlvmGlobalDefinition(
+            "x",
+            LlvmTypes.INT_64,
+            LlvmIr.operandInt(42),
+            true,
+            false
+        );
+
+        var result = serializeToString(definition, LlvmIrSerializer::serializeTopLevelEntity);
+
+        assertThat(result, equalTo("@x = constant i64 42\n"));
+    }
+
+    @Test
+    public void canSerializeUnnamedAddr() {
+        var definition = new LlvmGlobalDefinition(
+            "x",
+            LlvmTypes.INT_64,
+            LlvmIr.operandInt(42),
+            false,
+            true
+        );
+
+        var result = serializeToString(definition, LlvmIrSerializer::serializeTopLevelEntity);
+
+        assertThat(result, equalTo("@x = unnamed_addr global i64 42\n"));
+    }
+}