Move V8 to external/v8
Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/test/mjsunit/switch.js b/test/mjsunit/switch.js
new file mode 100644
index 0000000..180f994
--- /dev/null
+++ b/test/mjsunit/switch.js
@@ -0,0 +1,289 @@
+// 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.
+
+function f0() {
+ switch (0) {
+ // switch deliberately left empty
+ }
+}
+
+f0(); // no errors
+
+function f1(x) {
+ switch (x) {
+ default: return "f1";
+ }
+ return "foo";
+}
+
+assertEquals("f1", f1(0), "default-switch.0");
+assertEquals("f1", f1(1), "default-switch.1");
+
+function f2(x) {
+ var r;
+ switch (x) {
+ case 0:
+ r = "zero";
+ break;
+ case 1:
+ r = "one";
+ break;
+ case 2:
+ r = "two";
+ break;
+ case 3:
+ r = "three";
+ break;
+ default:
+ r = "default";
+ }
+ return r;
+}
+
+assertEquals("zero", f2(0), "0-1-switch.0");
+assertEquals("one", f2(1), "0-1-switch.1");
+assertEquals("default", f2(7), "0-1-switch.2");
+assertEquals("default", f2(-1), "0-1-switch.-1");
+assertEquals("default", f2(NaN), "0-1-switch.NaN");
+assertEquals("default", f2(Math.pow(2,34)), "0-1-switch.largeNum");
+assertEquals("default", f2("0"), "0-1-switch.string");
+assertEquals("default", f2(false), "0-1-switch.bool");
+assertEquals("default", f2(null), "0-1-switch.null");
+assertEquals("default", f2(undefined), "0-1-switch.undef");
+assertEquals("default", f2(new Number(2)), "0-1-switch.undef");
+assertEquals("default", f2({valueOf: function(){return 2; }}), "0-1-switch.obj");
+
+
+function f3(x, c) {
+ var r = 0;
+ switch (x) {
+ default:
+ r = "default";
+ break;
+ case c:
+ r = "value is c = " + c;
+ break;
+ case 2:
+ r = "two";
+ break;
+ case -5:
+ r = "minus 5";
+ break;
+ case 9:
+ r = "nine";
+ break;
+ }
+ return r;
+}
+
+assertEquals("two", f3(2,0), "value-switch.2-0");
+assertEquals("minus 5", f3(-5,0), "value-switch.-5-0");
+assertEquals("nine", f3(9,0), "value-switch.9-0");
+assertEquals("value is c = 0", f3(0,0), "value-switch.0-0");
+assertEquals("value is c = 2", f3(2,2), "value-switch.2-2");
+assertEquals("default", f3(7,0), "value-switch.7-0");
+
+
+function f4(x) {
+ switch(x) {
+ case 0:
+ x++;
+ default:
+ x++;
+ case 2:
+ x++;
+ }
+ return x;
+}
+
+
+assertEquals(3, f4(0), "fallthrough-switch.0");
+assertEquals(3, f4(1), "fallthrough-switch.1");
+assertEquals(3, f4(2), "fallthrough-switch.2");
+assertEquals(5, f4(3), "fallthrough-switch.3");
+
+
+function f5(x) {
+ switch(x) {
+ case -2: return true;
+ case -1: return false;
+ case 0: return true;
+ case 2: return false;
+ default: return 42;
+ }
+}
+
+assertTrue(f5(-2), "negcase.-2");
+assertFalse(f5(-1), "negcase.-1");
+assertTrue(f5(0), "negcase.-0");
+assertEquals(42, f5(1), "negcase.1");
+assertFalse(f5(2), "negcase.2");
+
+function f6(N) {
+ // long enough case that code buffer grows during code-generation
+ var res = 0;
+ for(var i = 0; i < N; i++) {
+ switch(i & 0x3f) {
+ case 0: res += 0; break;
+ case 1: res += 1; break;
+ case 2: res += 2; break;
+ case 3: res += 3; break;
+ case 4: res += 4; break;
+ case 5: res += 5; break;
+ case 6: res += 6; break;
+ case 7: res += 7; break;
+ case 8: res += 8; break;
+ case 9: res += 9; break;
+ case 10: res += 10; break;
+ case 11: res += 11; break;
+ case 12: res += 12; break;
+ case 13: res += 13; break;
+ case 14: res += 14; break;
+ case 15: res += 15; break;
+ case 16: res += 16; break;
+ case 17: res += 17; break;
+ case 18: res += 18; break;
+ case 19: res += 19; break;
+ case 20: res += 20; break;
+ case 21: res += 21; break;
+ case 22: res += 22; break;
+ case 23: res += 23; break;
+ case 24: res += 24; break;
+ case 25: res += 25; break;
+ case 26: res += 26; break;
+ case 27: res += 27; break;
+ case 28: res += 28; break;
+ case 29: res += 29; break;
+ case 30: res += 30; break;
+ case 31: res += 31; break;
+ case 32: res += 32; break;
+ case 33: res += 33; break;
+ case 34: res += 34; break;
+ case 35: res += 35; break;
+ case 36: res += 36; break;
+ case 37: res += 37; break;
+ case 38: res += 38; break;
+ case 39: res += 39; break;
+ case 40: res += 40; break;
+ case 41: res += 41; break;
+ case 42: res += 42; break;
+ case 43: res += 43; break;
+ case 44: res += 44; break;
+ case 45: res += 45; break;
+ case 46: res += 46; break;
+ case 47: res += 47; break;
+ case 48: res += 48; break;
+ case 49: res += 49; break;
+ case 50: res += 50; break;
+ case 51: res += 51; break;
+ case 52: res += 52; break;
+ case 53: res += 53; break;
+ case 54: res += 54; break;
+ case 55: res += 55; break;
+ case 56: res += 56; break;
+ case 57: res += 57; break;
+ case 58: res += 58; break;
+ case 59: res += 59; break;
+ case 60: res += 60; break;
+ case 61: res += 61; break;
+ case 62: res += 62; break;
+ case 63: res += 63; break;
+ case 64: break;
+ default: break;
+ }
+ }
+ return res;
+}
+
+assertEquals(190, f6(20), "largeSwitch.20");
+assertEquals(2016, f6(64), "largeSwitch.64");
+assertEquals(4032, f6(128), "largeSwitch.128");
+assertEquals(4222, f6(148), "largeSwitch.148");
+
+
+function f7(value) {
+ switch (value) {
+ case 0: return "0";
+ case -0: return "-0";
+ case 1: case 2: case 3: case 4: // Dummy fillers.
+ }
+ switch (value) {
+ case 0x3fffffff: return "MaxSmi";
+ case 0x3ffffffe:
+ case 0x3ffffffd:
+ case 0x3ffffffc:
+ case 0x3ffffffb:
+ case 0x3ffffffa: // Dummy fillers
+ }
+ switch (value) {
+ case -0x40000000: return "MinSmi";
+ case -0x3fffffff:
+ case -0x3ffffffe:
+ case -0x3ffffffd:
+ case -0x3ffffffc:
+ case -0x3ffffffb: // Dummy fillers
+ }
+ switch (value) {
+ case 10: return "A";
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ case 15: // Dummy fillers
+ }
+ return "default";
+}
+
+
+assertEquals("default", f7(0.1), "0-1-switch.double-0.1");
+assertEquals("0", f7(-0), "0-1-switch.double-neg0");
+assertEquals("MaxSmi", f7((1<<30)-1), "0-1-switch.maxsmi");
+assertEquals("MinSmi", f7(-(1<<30)), "0-1-switch.minsmi");
+assertEquals("default", f7(1<<30), "0-1-switch.maxsmi++");
+assertEquals("default", f7(-(1<<30)-1), "0-1-switch.minsmi--");
+assertEquals("A", f7((170/16)-(170%16/16)), "0-1-switch.heapnum");
+
+
+function makeVeryLong(length) {
+ var res = "(function () {\n" +
+ " var res = 0;\n" +
+ " for (var i = 0; i <= " + length + "; i++) {\n" +
+ " switch(i) {\n";
+ for (var i = 0; i < length; i++) {
+ res += " case " + i + ": res += 2; break;\n";
+ }
+ res += " default: res += 1;\n" +
+ " }\n" +
+ " }\n" +
+ " return res;\n" +
+ "})";
+ return eval(res);
+}
+var verylong_size = 1000;
+var verylong = makeVeryLong(verylong_size);
+
+assertEquals(verylong_size * 2 + 1, verylong());