add test

comes from ooc-lang#869

test/compiler/operators/operator-overload-test-1.ooc

@@ -0,0 +1,95 @@
+import math
+
+Foo: class {
+    value: Int
+    init: func(=value)
+
+    fassert: func(other: Int){
+        if(value != other){
+            Exception new("Error %d vs %d" format(value, other)) throw()
+        }
+    }
+}
+operator + (left, right: Foo) -> Foo {
+    "+" println()
+    Foo new(left value + right value)
+}
+operator - (left, right: Foo) -> Foo {
+    "-" println()
+    Foo new(left value - right value)
+}
+operator * (left, right: Foo) -> Foo {
+    "*" println()
+    Foo new(left value * right value)
+}
+operator ** (left, right: Foo) -> Foo {
+    "**" println()
+    Foo new(left value as Double pow(right value) roundLong())
+}
+operator / (left, right: Foo) -> Foo {
+    "/" println()
+    Foo new(left value / right value)
+}
+operator % (left, right: Foo) -> Foo {
+    "%" println()
+    Foo new(left value % right value)
+}
+operator >> (left, right: Foo) -> Foo {
+    ">>" println()
+    Foo new(left value >> right value)
+}
+operator << (left, right: Foo) -> Foo {
+    "<<" println()
+    Foo new(left value << right value)
+}
+operator | (left, right: Foo) -> Foo {
+    "|" println()
+    Foo new(left value | right value)
+}
+operator ^ (left, right: Foo) -> Foo {
+    "^" println()
+    Foo new(left value ^ right value)
+}
+operator & (left, right: Foo) -> Foo {
+    "&" println()
+    Foo new(left value & right value)
+}
+
+foo := Foo new(1)
+
+(foo = foo + Foo new(2)) fassert(3) // 1 + 2 = 3
+(foo += Foo new(3)) fassert(6) // 3 + 3 = 6
+
+(foo = foo - Foo new(2)) fassert(4) // 6 - 2 = 4
+(foo -= Foo new(3)) fassert(1)// 4 - 3 = 1
+
+(foo = foo * Foo new(2)) fassert(2) // 1 * 2 = 2
+(foo *= Foo new(3)) fassert(6)// 2 * 3 = 6
+
+(foo = foo ** Foo new(2)) fassert(36) // 6 ** 2 = 36
+(foo **= Foo new(3)) fassert(46656) // 36 ** 3 = 46656
+
+(foo = foo / Foo new(2)) fassert(23328) // 46656 / 2 = 23328
+(foo /= Foo new(3)) fassert(7776) // 23328 / 3 = 7776
+
+(foo = foo % Foo new(2)) fassert(0) // 7776 % 2 = 0
+//foo %= Foo new(3)
+// error Expected include, import, statement or declaration
+foo = Foo new(65535) // 65535 = 0xFFFF
+
+(foo = foo >> Foo new(2)) fassert(16383) // 0xFFFF >> 2 = 0x3FFF
+(foo >>= Foo new(3)) fassert(2047) // 0xFF >> 3 = 0x7FF
+
+foo = Foo new(1)
+
+(foo = foo << Foo new(2)) fassert(4) // 1 << 2 = 4
+(foo <<= Foo new(3)) fassert(32) // 4 << 3 = 32
+
+(foo = foo | Foo new(2)) fassert(34) // 0x100000 | 0x10 = 0x100010
+(foo |= Foo new(3)) fassert(35) // 0x100010 | 0x11 = 0x100011
+
+(foo = foo ^ Foo new(2)) fassert(33) // 0x100011 ^ 0x10 = 0x100001
+(foo ^= Foo new(3)) fassert(34) // 0x100001 ^ 0x11 = 0x100010 
+
+(foo = foo & Foo new(2)) fassert(2) // 0x100010 & 0x10 
+(foo &= Foo new(3)) fassert(2) // 0x10 & 0x11