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test choose for @nogc

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This commit is contained in:
John Colvin 2017-08-09 12:19:34 +01:00
parent 088b61548e
commit 6753b83173
1 changed files with 23 additions and 20 deletions
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43
std/range/package.d
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@ -1540,13 +1540,13 @@ private struct ChooseResult(R1, R2)
} }
/// ///
@safe nothrow pure unittest @safe nothrow pure @nogc unittest
{ {
import std.algorithm.comparison : equal; import std.algorithm.comparison : equal;
import std.algorithm.iteration : filter, map; import std.algorithm.iteration : filter, map;
auto data1 = [ 1, 2, 3, 4 ].filter!(a => a != 3); auto data1 = only(1, 2, 3, 4).filter!(a => a != 3);
auto data2 = [ 5, 6, 7, 8 ].map!(a => a + 1); auto data2 = only(5, 6, 7, 8).map!(a => a + 1);
// choose() is primarily useful when you need to select one of two ranges // choose() is primarily useful when you need to select one of two ranges
// with different types at runtime. // with different types at runtime.
@ -1564,10 +1564,10 @@ private struct ChooseResult(R1, R2)
} }
auto result = chooseRange(true); auto result = chooseRange(true);
assert(result.equal([ 1, 2, 4 ])); assert(result.equal(only(1, 2, 4)));
result = chooseRange(false); result = chooseRange(false);
assert(result.equal([ 6, 7, 8, 9 ])); assert(result.equal(only(6, 7, 8, 9)));
} }
/** /**
@ -1596,15 +1596,18 @@ if (Ranges.length >= 2
} }
/// ///
@safe nothrow pure unittest @safe nothrow pure @nogc unittest
{ {
auto test() auto test() @safe nothrow pure @nogc
{ {
import std.algorithm.comparison : equal; import std.algorithm.comparison : equal;
int[] arr1 = [ 1, 2, 3, 4 ]; int[4] sarr1 = [1, 2, 3, 4];
int[] arr2 = [ 5, 6 ]; int[2] sarr2 = [5, 6];
int[] arr3 = [ 7 ]; int[1] sarr3 = [7];
auto arr1 = sarr1[];
auto arr2 = sarr2[];
auto arr3 = sarr3[];
{ {
auto s = chooseAmong(0, arr1, arr2, arr3); auto s = chooseAmong(0, arr1, arr2, arr3);
@ -1612,24 +1615,24 @@ if (Ranges.length >= 2
assert(s.length == 4); assert(s.length == 4);
assert(s[2] == 3); assert(s[2] == 3);
s.popFront(); s.popFront();
assert(equal(t, [1, 2, 3, 4][])); assert(equal(t, only(1, 2, 3, 4)));
} }
{ {
auto s = chooseAmong(1, arr1, arr2, arr3); auto s = chooseAmong(1, arr1, arr2, arr3);
assert(s.length == 2); assert(s.length == 2);
s.front = 8; s.front = 8;
assert(equal(s, [8, 6][])); assert(equal(s, only(8, 6)));
} }
{ {
auto s = chooseAmong(1, arr1, arr2, arr3); auto s = chooseAmong(1, arr1, arr2, arr3);
assert(s.length == 2); assert(s.length == 2);
s[1] = 9; s[1] = 9;
assert(equal(s, [8, 9][])); assert(equal(s, only(8, 9)));
} }
{ {
auto s = chooseAmong(1, arr2, arr1, arr3)[1 .. 3]; auto s = chooseAmong(1, arr2, arr1, arr3)[1 .. 3];
assert(s.length == 2); assert(s.length == 2);
assert(equal(s, [2, 3][])); assert(equal(s, only(2, 3)));
} }
{ {
auto s = chooseAmong(0, arr1, arr2, arr3); auto s = chooseAmong(0, arr1, arr2, arr3);
@ -1637,14 +1640,14 @@ if (Ranges.length >= 2
assert(s.back == 4); assert(s.back == 4);
s.popBack(); s.popBack();
s.back = 5; s.back = 5;
assert(equal(s, [1, 2, 5][])); assert(equal(s, only(1, 2, 5)));
s.back = 3; s.back = 3;
assert(equal(s, [1, 2, 3][])); assert(equal(s, only(1, 2, 3)));
} }
{ {
uint[] foo = [1,2,3,4,5]; uint[5] foo = [1, 2, 3, 4, 5];
uint[] bar = [6,7,8,9,10]; uint[5] bar = [6, 7, 8, 9, 10];
auto c = chooseAmong(1,foo, bar); auto c = chooseAmong(1, foo[], bar[]);
assert(c[3] == 9); assert(c[3] == 9);
c[3] = 42; c[3] = 42;
assert(c[3] == 42); assert(c[3] == 42);
@ -1659,7 +1662,7 @@ if (Ranges.length >= 2
assert(!s.empty); assert(!s.empty);
assert(s[100] == 8); assert(s[100] == 8);
assert(s[101] == 9); assert(s[101] == 9);
assert(s[0 .. 3].equal([8, 9, 8])); assert(s[0 .. 3].equal(only(8, 9, 8)));
} }
return 0; return 0;
} }