add some tests to increase coverageHEADmaster

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/ldxr_i16.c b/tests/ldxr_i16.c
new file mode 100644
index 0000000..c423bce
--- /dev/null
+++ b/tests/ldxr_i16.c
@@ -0,0 +1,35 @@
+#include <ejit/ejit.h>
+#include <assert.h>
+#include "do_jit.h"
+
+static uint16_t data[] = { 0xffff, 0x0000, 0x4242 };
+
+int main(int argc, char *argv[])
+{
+	(void)argv;
+	bool do_jit = argc > 1;
+	struct ejit_operand operands[2] = {
+		EJIT_OPERAND_GPR(0, EJIT_POINTER),
+		EJIT_OPERAND_GPR(1, EJIT_TYPE(unsigned))
+	};
+
+	struct ejit_func *f = ejit_create_func(EJIT_TYPE(long), 2, operands);
+	ejit_ldxr_i16(f, EJIT_GPR(0), EJIT_GPR(0), EJIT_GPR(1));
+	ejit_retr(f, EJIT_GPR(0));
+
+	ejit_select_compile_func(f, 2, 0, false, do_jit, true);
+
+	assert(erfi2(f, EJIT_ARG(data, void *),
+	            EJIT_ARG(sizeof(int16_t) * 0, unsigned)
+	            ) == -1);
+
+	assert(erfi2(f, EJIT_ARG(data, void *),
+	            EJIT_ARG(sizeof(int16_t) * 1, unsigned)
+	            ) == 0);
+
+	assert(erfi2(f, EJIT_ARG(data, void *),
+	            EJIT_ARG(sizeof(int16_t) * 2, unsigned)
+	            ) == 0x4242);
+
+	ejit_destroy_func(f);
+}