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+// Copyright 2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-gc
+
+function Catch(f, g) {
+ var r;
+ try { r = f(); } catch (o) { return g(o); }
+ return r;
+}
+
+function CatchReturn(f, g) {
+ try { return f(); } catch (o) { return g(o); }
+}
+
+
+var a = [Catch, CatchReturn]
+for (var n in a) {
+ var c = a[n];
+ assertEquals(1, c(function() { return 1; }));
+ assertEquals('bar', c(function() { return 'bar'; }));
+ assertEquals(1, c(function () { throw 1; }, function (x) { return x; }));
+ assertEquals('bar', c(function () { throw 'bar'; }, function (x) { return x; }));
+}
+
+
+assertEquals(1, (function() { try { return 1; } finally { } })());
+assertEquals(1, (function() { try { return 1; } finally { var x = 12; } })());
+assertEquals(2, (function() { try { } finally { return 2; } })());
+assertEquals(4, (function() { try { return 3; } finally { return 4; } })());
+
+function f(x, n, v) { try { return x; } finally { x[n] = v; } }
+assertEquals(2, f({}, 'foo', 2).foo);
+assertEquals(5, f({}, 'bar', 5).bar);
+
+function guard(f) { try { f(); } catch (o) { return o; } }
+assertEquals('baz', guard(function() { throw 'baz'; }));
+assertEquals(2, (function() { try { throw {}; } catch(e) {} finally { return 2; } })());
+assertEquals(1, guard(function() { try { throw 1; } finally { } }));
+assertEquals(2, guard(function() { try { throw 2; } finally { var x = 12; } }));
+assertEquals(4, guard(function() { try { throw 3; } finally { throw 4; } }));
+
+(function () {
+ var iter = 1000000;
+ for (var i = 1; i <= iter; i++) {
+ try {
+ if (i == iter) gc();
+ } finally {
+ if (i == iter) gc();
+ }
+ }
+})();
+
+function trycatch(a) {
+ var o;
+ try {
+ throw 1;
+ } catch (o) {
+ a.push(o);
+ try {
+ throw 2;
+ } catch (o) {
+ a.push(o);
+ }
+ a.push(o);
+ }
+ a.push(o);
+}
+var a = [];
+trycatch(a);
+assertEquals(4, a.length);
+assertEquals(1, a[0], "a[0]");
+assertEquals(2, a[1], "a[1]");
+
+assertEquals(1, a[2], "a[2]");
+assertTrue(typeof a[3] === 'undefined', "a[3]");
+
+assertTrue(typeof o === 'undefined', "global.o");
+
+
+function return_from_nested_catch(x) {
+ try {
+ try {
+ return x;
+ } catch (o) {
+ return -1;
+ }
+ } catch (o) {
+ return -2;
+ }
+}
+
+assertEquals(0, return_from_nested_catch(0));
+assertEquals(1, return_from_nested_catch(1));
+
+
+function return_from_nested_finally(x) {
+ var a = [x-2];
+ try {
+ try {
+ return a;
+ } finally {
+ a[0]++;
+ }
+ } finally {
+ a[0]++;
+ }
+}
+
+assertEquals(0, return_from_nested_finally(0)[0]);
+assertEquals(1, return_from_nested_finally(1)[0]);
+
+
+function break_from_catch(x) {
+ x--;
+ L:
+ {
+ try {
+ x++;
+ if (false) return -1;
+ break L;
+ } catch (o) {
+ x--;
+ }
+ }
+ return x;
+}
+
+assertEquals(0, break_from_catch(0));
+assertEquals(1, break_from_catch(1));
+
+
+function break_from_finally(x) {
+ L:
+ {
+ try {
+ x++;
+ if (false) return -1;
+ break L;
+ } finally {
+ x--;
+ }
+ x--;
+ }
+ return x;
+}
+
+assertEquals(0, break_from_finally(0), "break from finally");
+assertEquals(1, break_from_finally(1), "break from finally");
+
+
+function continue_from_catch(x) {
+ x--;
+ var cont = true;
+ while (cont) {
+ try {
+ x++;
+ if (false) return -1;
+ cont = false;
+ continue;
+ } catch (o) {
+ x--;
+ }
+ }
+ return x;
+}
+
+assertEquals(0, continue_from_catch(0));
+assertEquals(1, continue_from_catch(1));
+
+
+function continue_from_finally(x) {
+ var cont = true;
+ while (cont) {
+ try {
+ x++;
+ if (false) return -1;
+ cont = false;
+ continue;
+ } finally {
+ x--;
+ }
+ x--;
+ }
+ return x;
+}
+
+assertEquals(0, continue_from_finally(0));
+assertEquals(1, continue_from_finally(1));
+
+
+function continue_alot_from_finally(x) {
+ var j = 0;
+ for (var i = 0; i < x;) {
+ try {
+ j++;
+ continue;
+ j++; // should not happen
+ } finally {
+ i++; // must happen
+ }
+ j++; // should not happen
+ }
+ return j;
+}
+
+
+assertEquals(100, continue_alot_from_finally(100));
+assertEquals(200, continue_alot_from_finally(200));
+
+
+
+function break_from_nested_catch(x) {
+ x -= 2;
+ L:
+ {
+ try {
+ x++;
+ try {
+ x++;
+ if (false) return -1;
+ break L;
+ } catch (o) {
+ x--;
+ }
+ } catch (o) {
+ x--;
+ }
+ }
+ return x;
+}
+
+assertEquals(0, break_from_nested_catch(0));
+assertEquals(1, break_from_nested_catch(1));
+
+
+function break_from_nested_finally(x) {
+ L:
+ {
+ try {
+ x++;
+ try {
+ x++;
+ if (false) return -1;
+ break L;
+ } finally {
+ x--;
+ }
+ } finally {
+ x--;
+ }
+ x--; // should not happen
+ }
+ return x;
+}
+
+assertEquals(0, break_from_nested_finally(0));
+assertEquals(1, break_from_nested_finally(1));
+
+
+function continue_from_nested_catch(x) {
+ x -= 2;
+ var cont = true;
+ while (cont) {
+ try {
+ x++;
+ try {
+ x++;
+ if (false) return -1;
+ cont = false;
+ continue;
+ } catch (o) {
+ x--;
+ }
+ } catch (o) {
+ x--;
+ }
+ }
+ return x;
+}
+
+assertEquals(0, continue_from_nested_catch(0));
+assertEquals(1, continue_from_nested_catch(1));
+
+
+function continue_from_nested_finally(x) {
+ var cont = true;
+ while (cont) {
+ try {
+ x++;
+ try {
+ x++;
+ if (false) return -1;
+ cont = false;
+ continue;
+ } finally {
+ x--;
+ }
+ } finally {
+ x--;
+ }
+ x--; // should not happen
+ }
+ return x;
+}
+
+assertEquals(0, continue_from_nested_finally(0));
+assertEquals(1, continue_from_nested_finally(1));
+
+
+var caught = false;
+var finalized = false;
+var broke = true;
+L: try {
+ break L;
+ broke = false;
+} catch (o) {
+ caught = true;
+} finally {
+ finalized = true;
+}
+assertTrue(broke);
+assertFalse(caught);
+assertTrue(finalized);
+