8de5b49cdf 2010-11-09 kinaba: /** 8de5b49cdf 2010-11-09 kinaba: * Authors: k.inaba 8de5b49cdf 2010-11-09 kinaba: * License: NYSL 0.9982 http://www.kmonos.net/nysl/ 8de5b49cdf 2010-11-09 kinaba: * 8de5b49cdf 2010-11-09 kinaba: * Unittest helpers. 8de5b49cdf 2010-11-09 kinaba: */ 8de5b49cdf 2010-11-09 kinaba: module tricks.test; 8de5b49cdf 2010-11-09 kinaba: import std.conv : to; 8de5b49cdf 2010-11-09 kinaba: import core.exception; 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: /// Unittest helper that asserts an expression must throw something 8de5b49cdf 2010-11-09 kinaba: 7465fcdd7f 2010-11-09 kinaba: void assert_throw(ExceptionType=Throwable, 7465fcdd7f 2010-11-09 kinaba: T, string fn=__FILE__, size_t ln=__LINE__)(lazy T t, string msg="") 8de5b49cdf 2010-11-09 kinaba: { 7465fcdd7f 2010-11-09 kinaba: static if( is(ExceptionType == Throwable) ) 7465fcdd7f 2010-11-09 kinaba: try 7465fcdd7f 2010-11-09 kinaba: { t(); } 7465fcdd7f 2010-11-09 kinaba: catch(ExceptionType) 7465fcdd7f 2010-11-09 kinaba: { return; } 7465fcdd7f 2010-11-09 kinaba: else 7465fcdd7f 2010-11-09 kinaba: try 7465fcdd7f 2010-11-09 kinaba: { t(); } 7465fcdd7f 2010-11-09 kinaba: catch(ExceptionType) 7465fcdd7f 2010-11-09 kinaba: { return; } 7465fcdd7f 2010-11-09 kinaba: catch(Throwable e) 7465fcdd7f 2010-11-09 kinaba: { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception\n >> "~e.toString()); } 2459e9a821 2010-11-09 kinaba: onAssertErrorMsg(fn, ln, msg.length ? msg : "not thrown"); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: /// Unittest helper that asserts an expression must not throw anything 8de5b49cdf 2010-11-09 kinaba: 38fcc662be 2010-11-10 kinaba: T assert_nothrow(T, string fn=__FILE__, size_t ln=__LINE__)(lazy T t, string msg="") 8de5b49cdf 2010-11-09 kinaba: { 8de5b49cdf 2010-11-09 kinaba: try 8de5b49cdf 2010-11-09 kinaba: { return t(); } 8de5b49cdf 2010-11-09 kinaba: catch(Throwable e) 2459e9a821 2010-11-09 kinaba: { onAssertErrorMsg(fn, ln, msg.length ? msg : "bad exception\n >> "~e.toString()); } 8de5b49cdf 2010-11-09 kinaba: assert(false); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: unittest 8de5b49cdf 2010-11-09 kinaba: { 8de5b49cdf 2010-11-09 kinaba: auto error = {throw new Error("hello");}; 8de5b49cdf 2010-11-09 kinaba: auto nothing = (){}; 8de5b49cdf 2010-11-09 kinaba: auto assertError = {assert(0);}; 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: assert_nothrow ( assert_nothrow(nothing()) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_nothrow(error()) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_nothrow(assertError()) ); 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: assert_nothrow ( assert_throw!Error(error()) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_throw!Error(nothing()) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow ( assert_throw!Error(assertError()) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_throw!AssertError(error()) ); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: template assertOp(string op) 8de5b49cdf 2010-11-09 kinaba: { d78d700f7a 2010-11-09 kinaba: void assertOp(A, B, string fn=__FILE__, size_t ln=__LINE__)(A a, B b, string msg="") 8de5b49cdf 2010-11-09 kinaba: { 8de5b49cdf 2010-11-09 kinaba: try 8de5b49cdf 2010-11-09 kinaba: { if( mixin("a"~op~"b") ) return; } 8de5b49cdf 2010-11-09 kinaba: catch(Throwable e) 8de5b49cdf 2010-11-09 kinaba: { onAssertErrorMsg(fn, ln, msg.length ? msg : "exception ["~e.toString()~"]"); } 0f02103885 2010-11-09 kinaba: onAssertErrorMsg(fn, ln, msg.length ? msg : to!string(a)~" !"~op~" "~to!string(b)); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: 38fcc662be 2010-11-10 kinaba: alias assertOp!(`==`) assert_eq; /// asserts two operands are == 38fcc662be 2010-11-10 kinaba: alias assertOp!(`!=`) assert_ne; /// asserts two operands are != 38fcc662be 2010-11-10 kinaba: alias assertOp!(`<`) assert_lt; /// asserts two operands are < 38fcc662be 2010-11-10 kinaba: alias assertOp!(`<=`) assert_le; /// asserts two operands are <= 38fcc662be 2010-11-10 kinaba: alias assertOp!(`>`) assert_gt; /// asserts two operands are > 38fcc662be 2010-11-10 kinaba: alias assertOp!(`>=`) assert_ge; /// asserts two operands are >= 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: unittest 8de5b49cdf 2010-11-09 kinaba: { 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_eq(1, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_ne(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_lt(0, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_le(0, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_le(0, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_gt(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_ge(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow( assert_ge(0, 0) ); 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_eq(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_ne(1, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_lt(1, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_lt(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_le(1, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_gt(0, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_gt(0, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_ge(0, 1) ); 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: class Temp { bool opEquals(int x){return x/x==x;} } 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_eq(new Temp, 0) ); 8de5b49cdf 2010-11-09 kinaba: assert_nothrow ( assert_eq(new Temp, 1) ); 8de5b49cdf 2010-11-09 kinaba: assert_throw!AssertError( assert_eq(new Temp, 2) ); 8de5b49cdf 2010-11-09 kinaba: } 8de5b49cdf 2010-11-09 kinaba: 8de5b49cdf 2010-11-09 kinaba: /* [Todo] is there any way to clearnly implement "assert_compiles" and "assert_not_compile"? */