X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ffunction.c;fp=tests%2Ffunction.c;h=19173e5c8744b2153ac9e67a191922bb7d540ea9;hb=946bdbe1d5dd89ab671391fbe429a1c2c48ecaa7;hp=0000000000000000000000000000000000000000;hpb=f1abb26903687c7967cf37c3f6c830051bdeb371;p=lice

diff --git a/tests/function.c b/tests/function.c
new file mode 100644
index 0000000..19173e5
--- /dev/null
+++ b/tests/function.c
@@ -0,0 +1,98 @@
+// functions
+
+int i1()     { return 42; }
+int i2(void) { return 42; }
+
+int splat(int a, int b, int c, int d, int e, int f) {
+    expecti(a, 1);
+    expecti(b, 2);
+    expecti(c, 3);
+    expecti(d, 4);
+    expecti(e, 5);
+    expecti(f, 6);
+}
+
+int deref(int *a) {
+    return *a;
+}
+
+int proto1();
+int proto1() { return 1024; }
+
+int proto2(int a, int b);
+int proto2(int a, int b) {
+    return a + b;
+}
+
+void proto3(int a, ...);
+void proto3(int a, ...) {
+    expecti(a, 1024);
+}
+
+void ignore(void) {
+    return;
+}
+
+void ___func___(void) {
+    expectstr(__func__, "___func___");
+}
+
+int funptr1(void) {
+    return 1024;
+}
+
+int funptr2(int a) {
+    return funptr1() * 2;
+}
+
+float funptr3(float a) {
+    return a * 2;
+}
+
+int funptr4(int (*callback)(void), int *data) {
+    *data = callback();
+    return *data;
+}
+
+// emptyies
+void empty1(void) {
+    // nothing to see here
+}
+
+void empty2(void) {
+    // empty semicolons
+    ;;;
+}
+
+int main(void) {
+    expecti(i1(), 42);
+    expecti(i2(), 42);
+
+    int a = 1024;
+    expecti(deref(&a),       1024);
+    expecti(proto1(),        1024);
+    expecti(proto2(512,512), 1024);
+
+    proto3(1024);
+    splat(1, 2, 3, 4, 5, 6);
+
+    ignore();
+    ___func___();
+
+    // function pointer tests
+    int   (*ptr1)(void)              = funptr1;
+    int   (*ptr2)(int)               = funptr2;
+    float (*ptr3)(float)             = funptr3;
+    int   (*ptr4)(int(*)(void),int*) = funptr4;
+
+    expecti(ptr1(),        1024);
+    expecti(ptr2(a),       2048);
+    expecti(ptr4(ptr1,&a), 1024);
+    expecti(a,             1024);
+    expectf(ptr3(3.14),    6.28);
+
+    empty1();
+    empty2();
+
+    return 0;
+}