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-rw-r--r--js/src/jit-test/tests/basic/testDivModWithIntMin.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testDivModWithIntMin.js b/js/src/jit-test/tests/basic/testDivModWithIntMin.js
new file mode 100644
index 000000000..a8ea2d2c4
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testDivModWithIntMin.js
@@ -0,0 +1,62 @@
+var intMin = -2147483648;
+var intMax = 2147483647;
+var negativeZero = -0;
+var zero = 0;
+
+function testModNegativeZero() {
+ assertEq(intMin % -2147483648, -0);
+ assertEq(intMin % -1, -0);
+ assertEq(intMin % 1, -0);
+ assertEq(intMin % -2147483648, -0);
+
+ assertEq(((intMin|0) % -2147483648)|0, 0);
+ assertEq(((intMin|0) % -1)|0, 0);
+ assertEq(((intMin|0) % 1)|0, 0);
+ assertEq(((intMin|0) % -2147483648)|0, 0);
+}
+
+testModNegativeZero();
+testModNegativeZero();
+
+function testMinModulus1() {
+ assertEq(intMin % -3, -2);
+ assertEq(intMin % 3, -2);
+ assertEq(intMin % 10, -8);
+ assertEq(intMin % 2147483647, -1);
+
+ assertEq(((intMin|0) % -3)|0, -2);
+ assertEq(((intMin|0) % 3)|0, -2);
+ assertEq(((intMin|0) % 10)|0, -8);
+ assertEq(((intMin|0) % 2147483647)|0, -1);
+}
+
+testMinModulus1();
+testMinModulus1();
+
+function testMinModulus2() {
+ for (var i = -10; i <= 10; ++i)
+ assertEq(i % -2147483648, i);
+ assertEq(intMax % -2147483648, intMax);
+
+ for (var i = -10; i <= 10; ++i)
+ assertEq(((i|0) % -2147483648)|0, i);
+ assertEq(((intMax|0) % -2147483648)|0, intMax);
+}
+
+testMinModulus2();
+testMinModulus2();
+
+function testDivEdgeCases() {
+ assertEq(intMin / -2147483648, 1);
+ assertEq(intMin / -1, -intMin);
+ assertEq(negativeZero / -2147483648, 0);
+ assertEq(zero / -2147483648, -0);
+
+ assertEq(((intMin|0) / -2147483648)|0, 1);
+ assertEq(((intMin|0) / -1)|0, intMin);
+ assertEq(((negativeZero|0) / -2147483648)|0, 0);
+ assertEq(((zero|0) / -2147483648)|0, 0);
+}
+
+testDivEdgeCases();
+testDivEdgeCases();