2 files changed, 72 insertions, 0 deletions
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
index bb40d71..ea6334f 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java
@@ -676,6 +676,39 @@ public class RustWriterTests {
         assertThat(string, equalTo("&i32"));
     }
 
+    @Test
+    public void tupleTypeUnit() throws IOException {
+        var rust = RustTupleType.arbitrary().build();
+
+        var string = write(writer -> writer.writeType(rust));
+
+        assertThat(string, equalTo("()"));
+    }
+
+    @Test
+    public void tupleTypeSingleton() throws IOException {
+        var rust = RustTupleType.arbitrary()
+            .addElementType(RustPath.of("A"))
+            .build();
+
+        var string = write(writer -> writer.writeType(rust));
+
+        assertThat(string, equalTo("(A,)"));
+    }
+
+    @Test
+    public void tupleTypeManyElements() throws IOException {
+        var rust = RustTupleType.arbitrary()
+            .addElementType(RustPath.of("A"))
+            .addElementType(RustPath.of("B"))
+            .addElementType(RustPath.of("C"))
+            .build();
+
+        var string = write(writer -> writer.writeType(rust));
+
+        assertThat(string, equalTo("(A, B, C)"));
+    }
+
     // == Paths ==
 
     @Test
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleTypeMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleTypeMatcher.java
new file mode 100644
index 0000000..2632b3e
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustTupleTypeMatcher.java
@@ -0,0 +1,39 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.rust.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher imports
+
+public class RustTupleTypeMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher isRustTupleType() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType>> submatchers;
+
+    private RustTupleTypeMatcher(java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType>> submatchers) {
+        this.submatchers = submatchers;
+    }
+
+    public org.zwobble.precisely.MatchResult match(java.lang.Object actual) {
+        return this.toMatcher().match(actual);
+    }
+
+    public org.zwobble.precisely.TextTree describe() {
+        return this.toMatcher().describe();
+    }
+
+    private org.zwobble.precisely.Matcher<java.lang.Object> toMatcher() {
+        return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher withElementTypes(org.zwobble.precisely.Matcher<? super java.util.List<org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustType>> elementTypes) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("elementTypes", org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleType::elementTypes, elementTypes));
+        return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustTupleTypeMatcher body
+}