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-rw-r--r--deps/v8/test/cctest/test-fast-dtoa.cc84
1 files changed, 40 insertions, 44 deletions
diff --git a/deps/v8/test/cctest/test-fast-dtoa.cc b/deps/v8/test/cctest/test-fast-dtoa.cc
index c063d6348b..50c1935376 100644
--- a/deps/v8/test/cctest/test-fast-dtoa.cc
+++ b/deps/v8/test/cctest/test-fast-dtoa.cc
@@ -27,12 +27,12 @@
#include <stdlib.h>
-#include "src/v8.h"
+#include "src/init/v8.h"
#include "src/base/platform/platform.h"
-#include "src/diy-fp.h"
-#include "src/double.h"
-#include "src/fast-dtoa.h"
+#include "src/numbers/diy-fp.h"
+#include "src/numbers/double.h"
+#include "src/numbers/fast-dtoa.h"
#include "test/cctest/cctest.h"
#include "test/cctest/gay-precision.h"
#include "test/cctest/gay-shortest.h"
@@ -43,18 +43,14 @@ namespace test_fast_dtoa {
static const int kBufferSize = 100;
-
-// Removes trailing '0' digits.
-static void TrimRepresentation(Vector<char> representation) {
- int len = StrLength(representation.start());
- int i;
- for (i = len - 1; i >= 0; --i) {
- if (representation[i] != '0') break;
- }
- representation[i + 1] = '\0';
+// Removes trailing '0' digits (modifies {representation}). Can create an empty
+// string if all digits are 0.
+static void TrimRepresentation(char* representation) {
+ size_t len = strlen(representation);
+ while (len > 0 && representation[len - 1] == '0') --len;
+ representation[len] = '\0';
}
-
TEST(FastDtoaShortestVariousDoubles) {
char buffer_container[kBufferSize];
Vector<char> buffer(buffer_container, kBufferSize);
@@ -66,44 +62,44 @@ TEST(FastDtoaShortestVariousDoubles) {
status = FastDtoa(min_double, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("5", buffer.start()));
+ CHECK_EQ(0, strcmp("5", buffer.begin()));
CHECK_EQ(-323, point);
double max_double = 1.7976931348623157e308;
status = FastDtoa(max_double, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("17976931348623157", buffer.start()));
+ CHECK_EQ(0, strcmp("17976931348623157", buffer.begin()));
CHECK_EQ(309, point);
status = FastDtoa(4294967272.0, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("4294967272", buffer.start()));
+ CHECK_EQ(0, strcmp("4294967272", buffer.begin()));
CHECK_EQ(10, point);
status = FastDtoa(4.1855804968213567e298, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("4185580496821357", buffer.start()));
+ CHECK_EQ(0, strcmp("4185580496821357", buffer.begin()));
CHECK_EQ(299, point);
status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("5562684646268003", buffer.start()));
+ CHECK_EQ(0, strcmp("5562684646268003", buffer.begin()));
CHECK_EQ(-308, point);
status = FastDtoa(2147483648.0, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("2147483648", buffer.start()));
+ CHECK_EQ(0, strcmp("2147483648", buffer.begin()));
CHECK_EQ(10, point);
status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_SHORTEST, 0,
buffer, &length, &point);
if (status) { // Not all FastDtoa variants manage to compute this number.
- CHECK_EQ(0, strcmp("35844466002796428", buffer.start()));
+ CHECK_EQ(0, strcmp("35844466002796428", buffer.begin()));
CHECK_EQ(299, point);
}
@@ -111,7 +107,7 @@ TEST(FastDtoaShortestVariousDoubles) {
double v = Double(smallest_normal64).value();
status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point);
if (status) {
- CHECK_EQ(0, strcmp("22250738585072014", buffer.start()));
+ CHECK_EQ(0, strcmp("22250738585072014", buffer.begin()));
CHECK_EQ(-307, point);
}
@@ -119,7 +115,7 @@ TEST(FastDtoaShortestVariousDoubles) {
v = Double(largest_denormal64).value();
status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point);
if (status) {
- CHECK_EQ(0, strcmp("2225073858507201", buffer.start()));
+ CHECK_EQ(0, strcmp("2225073858507201", buffer.begin()));
CHECK_EQ(-307, point);
}
}
@@ -135,15 +131,15 @@ TEST(FastDtoaPrecisionVariousDoubles) {
status = FastDtoa(1.0, FAST_DTOA_PRECISION, 3, buffer, &length, &point);
CHECK(status);
CHECK_GE(3, length);
- TrimRepresentation(buffer);
- CHECK_EQ(0, strcmp("1", buffer.start()));
+ TrimRepresentation(buffer.begin());
+ CHECK_EQ(0, strcmp("1", buffer.begin()));
CHECK_EQ(1, point);
status = FastDtoa(1.5, FAST_DTOA_PRECISION, 10, buffer, &length, &point);
if (status) {
CHECK_GE(10, length);
- TrimRepresentation(buffer);
- CHECK_EQ(0, strcmp("15", buffer.start()));
+ TrimRepresentation(buffer.begin());
+ CHECK_EQ(0, strcmp("15", buffer.begin()));
CHECK_EQ(1, point);
}
@@ -151,56 +147,56 @@ TEST(FastDtoaPrecisionVariousDoubles) {
status = FastDtoa(min_double, FAST_DTOA_PRECISION, 5,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("49407", buffer.start()));
+ CHECK_EQ(0, strcmp("49407", buffer.begin()));
CHECK_EQ(-323, point);
double max_double = 1.7976931348623157e308;
status = FastDtoa(max_double, FAST_DTOA_PRECISION, 7,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("1797693", buffer.start()));
+ CHECK_EQ(0, strcmp("1797693", buffer.begin()));
CHECK_EQ(309, point);
status = FastDtoa(4294967272.0, FAST_DTOA_PRECISION, 14,
buffer, &length, &point);
if (status) {
CHECK_GE(14, length);
- TrimRepresentation(buffer);
- CHECK_EQ(0, strcmp("4294967272", buffer.start()));
+ TrimRepresentation(buffer.begin());
+ CHECK_EQ(0, strcmp("4294967272", buffer.begin()));
CHECK_EQ(10, point);
}
status = FastDtoa(4.1855804968213567e298, FAST_DTOA_PRECISION, 17,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("41855804968213567", buffer.start()));
+ CHECK_EQ(0, strcmp("41855804968213567", buffer.begin()));
CHECK_EQ(299, point);
status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_PRECISION, 1,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("6", buffer.start()));
+ CHECK_EQ(0, strcmp("6", buffer.begin()));
CHECK_EQ(-308, point);
status = FastDtoa(2147483648.0, FAST_DTOA_PRECISION, 5,
buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("21475", buffer.start()));
+ CHECK_EQ(0, strcmp("21475", buffer.begin()));
CHECK_EQ(10, point);
status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_PRECISION, 10,
buffer, &length, &point);
CHECK(status);
CHECK_GE(10, length);
- TrimRepresentation(buffer);
- CHECK_EQ(0, strcmp("35844466", buffer.start()));
+ TrimRepresentation(buffer.begin());
+ CHECK_EQ(0, strcmp("35844466", buffer.begin()));
CHECK_EQ(299, point);
uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000);
double v = Double(smallest_normal64).value();
status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("22250738585072014", buffer.start()));
+ CHECK_EQ(0, strcmp("22250738585072014", buffer.begin()));
CHECK_EQ(-307, point);
uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
@@ -208,20 +204,20 @@ TEST(FastDtoaPrecisionVariousDoubles) {
status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point);
CHECK(status);
CHECK_GE(20, length);
- TrimRepresentation(buffer);
- CHECK_EQ(0, strcmp("22250738585072009", buffer.start()));
+ TrimRepresentation(buffer.begin());
+ CHECK_EQ(0, strcmp("22250738585072009", buffer.begin()));
CHECK_EQ(-307, point);
v = 3.3161339052167390562200598e-237;
status = FastDtoa(v, FAST_DTOA_PRECISION, 18, buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("331613390521673906", buffer.start()));
+ CHECK_EQ(0, strcmp("331613390521673906", buffer.begin()));
CHECK_EQ(-236, point);
v = 7.9885183916008099497815232e+191;
status = FastDtoa(v, FAST_DTOA_PRECISION, 4, buffer, &length, &point);
CHECK(status);
- CHECK_EQ(0, strcmp("7989", buffer.start()));
+ CHECK_EQ(0, strcmp("7989", buffer.begin()));
CHECK_EQ(192, point);
}
@@ -248,7 +244,7 @@ TEST(FastDtoaGayShortest) {
if (length == kFastDtoaMaximalLength) needed_max_length = true;
succeeded++;
CHECK_EQ(current_test.decimal_point, point);
- CHECK_EQ(0, strcmp(current_test.representation, buffer.start()));
+ CHECK_EQ(0, strcmp(current_test.representation, buffer.begin()));
}
CHECK_GT(succeeded*1.0/total, 0.99);
CHECK(needed_max_length);
@@ -281,9 +277,9 @@ TEST(FastDtoaGayPrecision) {
if (!status) continue;
succeeded++;
if (number_digits <= 15) succeeded_15++;
- TrimRepresentation(buffer);
+ TrimRepresentation(buffer.begin());
CHECK_EQ(current_test.decimal_point, point);
- CHECK_EQ(0, strcmp(current_test.representation, buffer.start()));
+ CHECK_EQ(0, strcmp(current_test.representation, buffer.begin()));
}
// The precomputed numbers contain many entries with many requested
// digits. These have a high failure rate and we therefore expect a lower
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 17:43:15 +0000