text: // Copyright 2015 the V8 project authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // Flags: --expose-wasm
  
  load("test/mjsunit/wasm/wasm-constants.js");
  
  function runSelect2(module, which, a, b) {
    assertEquals(which == 0 ? a : b, module.select(a, b));
  }
  
  function testSelect2(type) {
    var kBodySize = 2;
    var kNameOffset = 21 + kBodySize + 1;
  
    for (var which = 0; which < 2; which++) {
      print("type = " + type + ", which = " + which);
  
      var data = bytes(
        // -- memory
        kDeclMemory,
        12, 12, 1,                  // memory
        // -- signatures
        kDeclSignatures, 1,
        2, type, type, type,        // signature: (t,t)->t
        // -- select
        kDeclFunctions, 1,
        kDeclFunctionName | kDeclFunctionExport,
        0, 0,
        kNameOffset, 0, 0, 0,       // name offset
        kBodySize, 0,               // body size
        kExprGetLocal, which,       // --
        kDeclEnd,
        's','e','l','e','c','t',0   // name
      );
  
      var module = WASM.instantiateModule(data);
  
      assertEquals("function", typeof module.select);
      runSelect2(module, which, 99, 97);
      runSelect2(module, which, -99, -97);
  
      if (type != kAstF32) {
        runSelect2(module, which, 0x80000000 | 0, 0x7fffffff | 0);
        runSelect2(module, which, 0x80000001 | 0, 0x7ffffffe | 0);
        runSelect2(module, which, 0xffffffff | 0, 0xfffffffe | 0);
        runSelect2(module, which, -2147483647, 2147483646);
        runSelect2(module, which, -2147483646, 2147483645);
        runSelect2(module, which, -2147483648, 2147483647);
      }
  
      if (type != kAstI32 && type != kAstI64) {
        runSelect2(module, which, -1.25, 5.25);
        runSelect2(module, which, Infinity, -Infinity);
      }
    }
  }
  
  
  testSelect2(kAstI32);
  testSelect2(kAstF32);
  testSelect2(kAstF64);
  
  
  function runSelect10(module, which, a, b) {
    var x = -1;
  
    var result = [
      module.select(a, b, x, x, x, x, x, x, x, x),
      module.select(x, a, b, x, x, x, x, x, x, x),
      module.select(x, x, a, b, x, x, x, x, x, x),
      module.select(x, x, x, a, b, x, x, x, x, x),
      module.select(x, x, x, x, a, b, x, x, x, x),
      module.select(x, x, x, x, x, a, b, x, x, x),
      module.select(x, x, x, x, x, x, a, b, x, x),
      module.select(x, x, x, x, x, x, x, a, b, x),
      module.select(x, x, x, x, x, x, x, x, a, b),
      module.select(x, x, x, x, x, x, x, x, x, a)
    ];
  
    for (var i = 0; i < 10; i++) {
       if (which == i) assertEquals(a, result[i]);
       else if (which == i+1) assertEquals(b, result[i]);
       else assertEquals(x, result[i]);
    }
  }
  
  function testSelect10(type) {
    var kBodySize = 2;
    var kNameOffset = 29 + kBodySize + 1;
  
    for (var which = 0; which < 10; which++) {
      print("type = " + type + ", which = " + which);
  
      var t = type;
      var data = bytes(
        kDeclMemory,
        12, 12, 1,                  // memory
        // signatures
        kDeclSignatures, 1,
        10, t,t,t,t,t,t,t,t,t,t,t,  // (tx10)->t
        // main function
        kDeclFunctions, 1,
        kDeclFunctionName | kDeclFunctionExport,
        0, 0,
        kNameOffset, 0, 0, 0,       // name offset
        kBodySize, 0,               // body size
        kExprGetLocal, which,       // --
        kDeclEnd,
        's','e','l','e','c','t',0   // name
      );
  
      var module = WASM.instantiateModule(data);
  
      assertEquals("function", typeof module.select);
      runSelect10(module, which, 99, 97);
      runSelect10(module, which, -99, -97);
  
      if (type != kAstF32) {
        runSelect10(module, which, 0x80000000 | 0, 0x7fffffff | 0);
        runSelect10(module, which, 0x80000001 | 0, 0x7ffffffe | 0);
        runSelect10(module, which, 0xffffffff | 0, 0xfffffffe | 0);
        runSelect10(module, which, -2147483647, 2147483646);
        runSelect10(module, which, -2147483646, 2147483645);
        runSelect10(module, which, -2147483648, 2147483647);
      }
  
      if (type != kAstI32 && type != kAstI64) {
        runSelect10(module, which, -1.25, 5.25);
        runSelect10(module, which, Infinity, -Infinity);
      }
    }
  }
  
  
  testSelect10(kAstI32);
  testSelect10(kAstF32);
  testSelect10(kAstF64);
  