Version 2.1.4.1...

test/cctest/test-grisu3.cc

Index: test/cctest/test-grisu3.cc
===================================================================
--- test/cctest/test-grisu3.cc	(revision 4127)
+++ test/cctest/test-grisu3.cc	(working copy)
@@ -1,116 +0,0 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-
-#include <stdlib.h>
-
-#include "v8.h"
-
-#include "platform.h"
-#include "cctest.h"
-#include "diy_fp.h"
-#include "double.h"
-#include "gay_shortest.h"
-#include "grisu3.h"
-
-using namespace v8::internal;
-
-static const int kBufferSize = 100;
-
-TEST(GrisuVariousDoubles) {
-  char buffer[kBufferSize];
-  int sign;
-  int length;
-  int point;
-  int status;
-
-  double min_double = 5e-324;
-  status = grisu3(min_double, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("5", buffer);
-  CHECK_EQ(-323, point);
-
-  double max_double = 1.7976931348623157e308;
-  status = grisu3(max_double, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("17976931348623157", buffer);
-  CHECK_EQ(309, point);
-
-  status = grisu3(4294967272.0, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("4294967272", buffer);
-  CHECK_EQ(10, point);
-
-  status = grisu3(4.1855804968213567e298, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("4185580496821357", buffer);
-  CHECK_EQ(299, point);
-
-  status = grisu3(5.5626846462680035e-309, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("5562684646268003", buffer);
-  CHECK_EQ(-308, point);
-
-  status = grisu3(2147483648.0, buffer, &sign, &length, &point);
-  CHECK(status);
-  CHECK_EQ(0, sign);
-  CHECK_EQ("2147483648", buffer);
-  CHECK_EQ(10, point);
-
-  status = grisu3(3.5844466002796428e+298, buffer, &sign, &length, &point);
-  if (status) {  // Not all grisu3 variants manage to compute this number.
-    CHECK_EQ("35844466002796428", buffer);
-    CHECK_EQ(0, sign);
-    CHECK_EQ(299, point);
-  }
-
-  uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000);
-  double v = Double(smallest_normal64).value();
-  status = grisu3(v, buffer, &sign, &length, &point);
-  if (status) {
-    CHECK_EQ(0, sign);
-    CHECK_EQ("22250738585072014", buffer);
-    CHECK_EQ(-307, point);
-  }
-
-  uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
-  v = Double(largest_denormal64).value();
-  status = grisu3(v, buffer, &sign, &length, &point);
-  if (status) {
-    CHECK_EQ(0, sign);
-    CHECK_EQ("2225073858507201", buffer);
-    CHECK_EQ(-307, point);
-  }
-}
-
-
-TEST(GrisuGayShortest) {
-  char buffer[kBufferSize];
-  bool status;
-  int sign;
-  int length;
-  int point;
-  int succeeded = 0;
-  int total = 0;
-  bool needed_max_length = false;
-
-  Vector<const GayShortest> precomputed = PrecomputedShortestRepresentations();
-  for (int i = 0; i < precomputed.length(); ++i) {
-    const GayShortest current_test = precomputed[i];
-    total++;
-    double v = current_test.v;
-    status = grisu3(v, buffer, &sign, &length, &point);
-    CHECK_GE(kGrisu3MaximalLength, length);
-    if (!status) continue;
-    if (length == kGrisu3MaximalLength) needed_max_length = true;
-    succeeded++;
-    CHECK_EQ(0, sign);  // All precomputed numbers are positive.
-    CHECK_EQ(current_test.decimal_point, point);
-    CHECK_EQ(current_test.representation, buffer);
-  }
-  CHECK_GT(succeeded*1.0/total, 0.99);
-  CHECK(needed_max_length);
-}