| /** |
| * Implementation of dynamic array property support routines. |
| * |
| * Copyright: Copyright Digital Mars 2000 - 2015. |
| * License: Distributed under the |
| * $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0). |
| * (See accompanying file LICENSE) |
| * Authors: Walter Bright |
| * Source: $(DRUNTIMESRC rt/_adi.d) |
| */ |
| |
| module rt.adi; |
| |
| //debug=adi; // uncomment to turn on debugging printf's |
| |
| private |
| { |
| debug(adi) import core.stdc.stdio; |
| } |
| |
| /*************************************** |
| * Support for array equality test. |
| * Returns: |
| * 1 equal |
| * 0 not equal |
| */ |
| |
| extern (C) int _adEq2(void[] a1, void[] a2, TypeInfo ti) |
| { |
| debug(adi) printf("_adEq2(a1.length = %d, a2.length = %d)\n", a1.length, a2.length); |
| if (a1.length != a2.length) |
| return 0; // not equal |
| if (!ti.equals(&a1, &a2)) |
| return 0; |
| return 1; |
| } |
| |
| @safe unittest |
| { |
| debug(adi) printf("array.Eq unittest\n"); |
| |
| struct S(T) { T val; } |
| alias String = S!string; |
| alias Float = S!float; |
| |
| String[1] a = [String("hello"c)]; |
| |
| assert(a != [String("hel")]); |
| assert(a != [String("helloo")]); |
| assert(a != [String("betty")]); |
| assert(a == [String("hello")]); |
| assert(a != [String("hxxxx")]); |
| |
| Float[1] fa = [Float(float.nan)]; |
| assert(fa != fa); |
| } |
| |
| unittest |
| { |
| debug(adi) printf("struct.Eq unittest\n"); |
| |
| static struct TestStruct |
| { |
| int value; |
| |
| bool opEquals(const TestStruct rhs) const |
| { |
| return value == rhs.value; |
| } |
| } |
| |
| TestStruct[] b = [TestStruct(5)]; |
| TestStruct[] c = [TestStruct(6)]; |
| assert(_adEq2(*cast(void[]*)&b, *cast(void[]*)&c, typeid(TestStruct[])) == false); |
| assert(_adEq2(*cast(void[]*)&b, *cast(void[]*)&b, typeid(TestStruct[])) == true); |
| } |