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-rw-r--r--libstdc++/tests/tlist.cc165
1 files changed, 165 insertions, 0 deletions
diff --git a/libstdc++/tests/tlist.cc b/libstdc++/tests/tlist.cc
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+++ b/libstdc++/tests/tlist.cc
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+/*
+ test/demo of generic lists
+*/
+
+#include <assert.h>
+
+#define tassert(ex) {if ((ex)) cerr << #ex << "\n"; \
+ else _assert(#ex, __FILE__,__LINE__); }
+
+#include <iostream.h>
+#include "list.h"
+#include "algo.h"
+
+bool int_compare(int a, int b)
+{
+ return a < b;
+}
+
+int inc(int x)
+{
+ return x + 1;
+}
+
+void print(list<int>& l)
+{
+ for (list<int>::iterator it = l.begin(); it != l.end(); it++)
+ cout << *it << " ";
+ cout << "\n";
+}
+
+int is_odd(int x)
+{
+ return x & 1;
+}
+
+int is_even(int x)
+{
+ return (x & 1) == 0;
+}
+
+void sequence(list<int>& a, int lo, int hi)
+{
+ back_insert_iterator<list<int> > it(a);
+ while (lo <= hi)
+ *it++ = lo++;
+}
+
+int old_rand = 9999;
+
+int get_rand()
+{
+ old_rand = ((long)old_rand * (long)1243) % (long)971;
+ return old_rand;
+}
+
+void randseq(list<int>& a, int n)
+{
+ back_insert_iterator<list<int> > it(a);
+ while (--n >= 0)
+ *it++ = get_rand() % 50;
+}
+
+int array1 [] = { 9, 16, 36 };
+int array2 [] = { 1, 4 };
+
+int test_splice ()
+{
+ list<int> l1 (array1, array1 + 3);
+ list<int> l2 (array2, array2 + 2);
+ list<int>::iterator i1 = l1.begin ();
+ l1.splice (i1, l2);
+ list<int>::iterator i2 = l1.begin ();
+ while (i2 != l1.end ())
+ cout << *i2++ << endl;
+ return 0;
+}
+
+main()
+{
+ list<int> a; int i;
+ list<int>::iterator it, bit;
+ sequence(a, 1, 20);
+ cout << "\nlist<int> a = sequence(1, 20);\n"; print(a);
+ for (it = a.begin (), i = 0; it != a.end (); it++, i++)
+ assert (*it == i + 1);
+ list<int> b;
+ randseq(b, 20);
+ cout << "\nlist<int> b = randseq(20);\n"; print(b);
+ list<int> c;
+ c.insert (c.end(), a.begin(), a.end());
+ c.insert (c.end(), b.begin(), b.end());
+ cout << "\nlist<int> c = a and b;\n"; print(c);
+
+ list<int> d;
+ for (it = a.begin(); it != a.end(); it++)
+ d.insert(d.end (), inc(*it));
+ cout << "\nlist<int> d = map(inc, a);\n"; print(d);
+
+ list<int> e;
+ back_insert_iterator<list<int> > e_insertor (e);
+ reverse_copy (a.begin(), a.end (), e_insertor);
+ cout << "\nlist<int> e = reverse(a);\n"; print(e);
+
+ list<int> f;
+ for (it = a.begin(); it != a.end(); it++)
+ if (is_odd (*it))
+ f.insert(f.end (), *it);
+ cout << "\nlist<int> f = select(is_odd, a);\n"; print(f);
+ list<int> ff;
+ for (it = f.begin(); it != f.end(); it++)
+ if (is_even (*it))
+ ff.insert(ff.end (), *it);
+ assert(ff.empty());
+
+ int red = 0;
+ for (it = a.begin(); it != a.end(); it++)
+ red += *it;
+ cout << "\nint red = a.reduce(plus, 0);\n"; cout << red;
+ it = a.begin(); ++it; ++it;
+ int second = *it;
+ cout << "\nint second = a[2];\n"; cout << second;
+ list<int> g;
+ for (it = a.begin(), bit = b.begin(); it != a.end () && bit != b.end (); )
+ g.insert (g.end (), *it++ + *bit++);
+ cout << "\nlist<int> g = combine(plus, a, b);\n"; print(g);
+#if 1
+ for (it = g.begin(); it != g.end(); )
+ {
+ bit = it++;
+ if (is_odd (*bit))
+ g.erase (bit);
+ }
+#else
+ g.remove_if (is_odd);
+#endif
+ cout << "\ng.del(is_odd);\n"; print(g);
+
+ ff.erase (ff.begin (), ff.end());
+ for (it = g.begin(); it != g.end(); it++)
+ if (is_odd (*it))
+ ff.insert (ff.end (), *it);
+ assert(ff.empty());
+
+ b.sort();
+ for (it = b.begin(); bit = it++, it != b.end (); ) assert (*it >= *bit);
+ cout << "\nb.sort(int_compare);\n"; print(b);
+
+ list<int> h;
+ back_insert_iterator<list<int> > h_insertor (h);
+ merge (a.begin (), a.end (), b.begin (), b.end (), h_insertor, int_compare);
+ cout << "\nlist<int> h = merge(a, b, int_compare);\n"; print(h);
+ for (it = h.begin(); bit = it++, it != h.end (); ) assert (*it >= *bit);
+
+ cout << "\nh via iterator:\n";
+ for (it = h.begin(); it != h.end (); it++)
+ cout << *it << ", ";
+ cout << "\n";
+
+ test_splice ();
+
+ cout << "\ndone\n";
+}
+
+template class __malloc_alloc_template<0>;
+template class __default_alloc_template<false, 0>;