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-rw-r--r--js/src/jit-test/tests/asm.js/testCompoundPlusMinus.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/testCompoundPlusMinus.js b/js/src/jit-test/tests/asm.js/testCompoundPlusMinus.js
new file mode 100644
index 000000000..9b070541e
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/testCompoundPlusMinus.js
@@ -0,0 +1,14 @@
+load(libdir + "asm.js");
+
+assertAsmTypeFail(USE_ASM + "function f(i,j,k) { i=i|0;j=+j;k=+k; return (i+(j+k))|0 } return f");
+assertAsmTypeFail(USE_ASM + "function f(i,j,k) { i=i|0;j=j|0;k=+k; return +((i+j)+k) } return f");
+assertAsmTypeFail('imp', USE_ASM + "var ffi=imp.ffi; function f(i) { i=i|0; return (i+ffi())|0 } return f");
+
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i,j,k) { i=i|0;j=j|0;k=k|0; return (i+j+k)|0 } return f"))(1,2,3), 6);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i,j,k) { i=i|0;j=j|0;k=k|0; return (i+j-k)|0 } return f"))(1,2,3), 0);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i,j,k) { i=i|0;j=j|0;k=k|0; return (i-j+k)|0 } return f"))(1,2,3), 2);
+
+const INT32_MAX = Math.pow(2,31)-1;
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i) { i=i|0; return (i+i+i+i+i+i+i+i+i+i)|0 } return f"))(INT32_MAX), (10*INT32_MAX)|0);
+const INT32_MIN = -Math.pow(2,31);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i) { i=i|0; return (i+i+i+i+i+i+i+i+i+i)|0 } return f"))(INT32_MIN), (10*INT32_MIN)|0);