From 99f714d9a1037a3fab0995ce3414206258e68d05 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Wed, 19 Jul 2023 20:40:52 +0100
Subject: Generate Patio IR for discard

---
 .../compiler/patio/PatioCodeGenDiscardTests.java   | 23 ++++++++++++++++++++++
 .../patio/PatioInstructionSerializerTests.java     |  8 +-------
 .../org/shedlang/compiler/patio/PatioTesting.java  | 21 ++++++++++++++++++++
 3 files changed, 45 insertions(+), 7 deletions(-)
 create mode 100644 src/test/java/org/shedlang/compiler/patio/PatioCodeGenDiscardTests.java
 create mode 100644 src/test/java/org/shedlang/compiler/patio/PatioTesting.java

(limited to 'src/test/java')

diff --git a/src/test/java/org/shedlang/compiler/patio/PatioCodeGenDiscardTests.java b/src/test/java/org/shedlang/compiler/patio/PatioCodeGenDiscardTests.java
new file mode 100644
index 00000000..7edc2556
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/patio/PatioCodeGenDiscardTests.java
@@ -0,0 +1,23 @@
+package org.shedlang.compiler.patio;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.shedlang.compiler.stackir.instructions.Instructions;
+import org.shedlang.compiler.testing.snapshots.SnapshotResolver;
+import org.shedlang.compiler.testing.snapshots.Snapshotter;
+
+import java.io.IOException;
+
+import static org.shedlang.compiler.patio.PatioTesting.serialize;
+
+@ExtendWith({SnapshotResolver.class})
+public class PatioCodeGenDiscardTests {
+    @Test
+    public void discardInstructionGeneratesDiscardInstruction(Snapshotter snapshotter) throws IOException {
+        var stackIr = Instructions.discard();
+
+        var result = PatioCodeGen.generateInstruction(stackIr);
+
+        snapshotter.assertSnapshot(serialize(result));
+    }
+}
diff --git a/src/test/java/org/shedlang/compiler/patio/PatioInstructionSerializerTests.java b/src/test/java/org/shedlang/compiler/patio/PatioInstructionSerializerTests.java
index 1b4119bc..d1a07e2b 100644
--- a/src/test/java/org/shedlang/compiler/patio/PatioInstructionSerializerTests.java
+++ b/src/test/java/org/shedlang/compiler/patio/PatioInstructionSerializerTests.java
@@ -2,8 +2,8 @@ package org.shedlang.compiler.patio;
 
 import org.junit.jupiter.api.Test;
 import org.shedlang.compiler.patio.instructions.Patio;
-import org.shedlang.compiler.patio.instructions.PatioInstruction;
 
+import static org.shedlang.compiler.patio.PatioTesting.serialize;
 import static org.zwobble.precisely.AssertThat.assertThat;
 import static org.zwobble.precisely.Matchers.equalTo;
 
@@ -16,10 +16,4 @@ public class PatioInstructionSerializerTests {
 
         assertThat(string, equalTo("(discard)"));
     }
-
-    private String serialize(PatioInstruction instruction) {
-        var builder = new StringBuilder();
-        PatioInstructionSerializer.serializeInstruction(instruction, builder);
-        return builder.toString();
-    }
 }
diff --git a/src/test/java/org/shedlang/compiler/patio/PatioTesting.java b/src/test/java/org/shedlang/compiler/patio/PatioTesting.java
new file mode 100644
index 00000000..562b32f9
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/patio/PatioTesting.java
@@ -0,0 +1,21 @@
+package org.shedlang.compiler.patio;
+
+import org.shedlang.compiler.patio.instructions.PatioInstruction;
+
+import java.util.List;
+
+class PatioTesting {
+    private PatioTesting() {}
+
+    static String serialize(List<PatioInstruction> instructions) {
+        var builder = new StringBuilder();
+        PatioInstructionSerializer.serializeInstructions(instructions, builder);
+        return builder.toString();
+    }
+
+    static String serialize(PatioInstruction instruction) {
+        var builder = new StringBuilder();
+        PatioInstructionSerializer.serializeInstruction(instruction, builder);
+        return builder.toString();
+    }
+}
-- 
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