1 files changed, 37 insertions, 0 deletions

diff --git a/tests/codegen_test.c b/tests/codegen_test.c
index 2b5fdb7..0a4a841 100644
--- a/tests/codegen_test.c
+++ b/tests/codegen_test.c
@@ -104,6 +104,41 @@ static void test_generate_fasm(struct TestContext* context)
 	free_program(&program);
 }
 
+static void test_generate_select(struct TestContext* context)
+{
+	// destination distinct from both sources: default-move else, then cmov
+	struct Lexer lexer = create_lexer("proc main\n{\nrax = rbx if rcx < rdx else rsi\n}\n");
+	struct Program program;
+	check(context, parse_program(&lexer, &program));
+
+	char buffer[1024];
+	generate_to_buffer(&program, buffer, sizeof(buffer));
+
+	check(context, strstr(buffer, "mov rax, rsi") != NULL);
+	check(context, strstr(buffer, "cmp rcx, rdx") != NULL);
+	check(context, strstr(buffer, "cmovl rax, rbx") != NULL);
+	check(context, strstr(buffer, "; TODO") == NULL);
+
+	free_program(&program);
+}
+
+static void test_generate_select_aarch64(struct TestContext* context)
+{
+	struct Lexer lexer = create_lexer(
+		"[enable: logical_registers]\nproc main\n{\nr1 = r2 if r3 < r4 else r5\n}\n");
+	struct Program program;
+	check(context, parse_program(&lexer, &program));
+
+	char buffer[1024];
+	generate_aarch64_to_buffer(&program, buffer, sizeof(buffer));
+
+	check(context, strstr(buffer, "cmp x2, x3") != NULL);
+	check(context, strstr(buffer, "csel x0, x1, x4, lt") != NULL);
+	check(context, strstr(buffer, "; TODO") == NULL);
+
+	free_program(&program);
+}
+
 static void test_generate_aarch64(struct TestContext* context)
 {
 	// logical registers map r1 -> x0, r2 -> x1; three-operand arithmetic and svc
@@ -633,6 +668,8 @@ void run_codegen_tests(struct TestContext* context)
 	test_generate_consts_and_data(context);
 	test_generate_fasm(context);
 	test_generate_aarch64(context);
+	test_generate_select(context);
+	test_generate_select_aarch64(context);
 	test_generate_text(context);
 	test_generate_if(context);
 	test_generate_if_else(context);