small_vector improvements

[folly.git] / folly / test / FormatTest.cpp

diff --git a/folly/test/FormatTest.cpp b/folly/test/FormatTest.cpp
index 4385401be765425cf428aa975c1f1163d72765a8..5a342226fbe678b7ee32cda005af041e9b1a94ca 100644 (file)
--- a/folly/test/FormatTest.cpp
+++ b/folly/test/FormatTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,8 +16,7 @@
 
 #include <folly/Format.h>
 
-#include <gflags/gflags.h>
-#include <gtest/gtest.h>
+#include <folly/portability/GTest.h>
 
 #include <string>
 
@@ -105,6 +104,13 @@ TEST(Format, Simple) {
   EXPECT_EQ("hello  ", sformat("{:<7}", "hello"));
   EXPECT_EQ("  hello", sformat("{:>7}", "hello"));
 
+  EXPECT_EQ("  hi", sformat("{:>*}", 4, "hi"));
+  EXPECT_EQ("   hi!", sformat("{:*}{}", 3, "", "hi!"));
+  EXPECT_EQ("    123", sformat("{:*}", 7, 123));
+  EXPECT_EQ("123    ", sformat("{:<*}", 7, 123));
+  EXPECT_EQ("----<=>----", sformat("{:-^*}", 11, "<=>"));
+  EXPECT_EQ("+++456+++", sformat("{2:+^*0}", 9, "unused", 456));
+
   std::vector<int> v1 {10, 20, 30};
   EXPECT_EQ("0020", sformat("{0[1]:04}", v1));
   EXPECT_EQ("0020", svformat("{1:04}", v1));
@@ -120,20 +126,22 @@ TEST(Format, Simple) {
   EXPECT_EQ("0042", sformat("{0[3]:04}", defaulted(v2, 42)));
   EXPECT_EQ("0042", svformat("{3:04}", defaulted(v2, 42)));
 
-  const int p[] = {10, 20, 30};
-  const int* q = p;
-  EXPECT_EQ("0020", sformat("{0[1]:04}", p));
-  EXPECT_EQ("0020", svformat("{1:04}", p));
-  EXPECT_EQ("0020", sformat("{0[1]:04}", q));
-  EXPECT_EQ("0020", svformat("{1:04}", q));
-  EXPECT_NE("", sformat("{}", q));
-
-  EXPECT_EQ("0x", sformat("{}", p).substr(0, 2));
-  EXPECT_EQ("10", svformat("{}", p));
-  EXPECT_EQ("0x", sformat("{}", q).substr(0, 2));
-  EXPECT_EQ("10", svformat("{}", q));
-  q = nullptr;
-  EXPECT_EQ("(null)", sformat("{}", q));
+  {
+    const int p[] = { 10, 20, 30 };
+    const int* q = p;
+    EXPECT_EQ("0020", sformat("{0[1]:04}", p));
+    EXPECT_EQ("0020", svformat("{1:04}", p));
+    EXPECT_EQ("0020", sformat("{0[1]:04}", q));
+    EXPECT_EQ("0020", svformat("{1:04}", q));
+    EXPECT_NE("", sformat("{}", q));
+
+    EXPECT_EQ("0x", sformat("{}", p).substr(0, 2));
+    EXPECT_EQ("10", svformat("{}", p));
+    EXPECT_EQ("0x", sformat("{}", q).substr(0, 2));
+    EXPECT_EQ("10", svformat("{}", q));
+    q = nullptr;
+    EXPECT_EQ("(null)", sformat("{}", q));
+  }
 
   std::map<int, std::string> m { {10, "hello"}, {20, "world"} };
   EXPECT_EQ("worldXX", sformat("{[20]:X<7}", m));
@@ -194,7 +202,6 @@ TEST(Format, Simple) {
 }
 
 TEST(Format, Float) {
-  double d = 1;
   EXPECT_EQ("1", sformat("{}", 1.0));
   EXPECT_EQ("0.1", sformat("{}", 0.1));
   EXPECT_EQ("0.01", sformat("{}", 0.01));
@@ -420,7 +427,6 @@ TEST(Format, OutOfBounds) {
 }
 
 TEST(Format, BogusFormatString) {
-  // format() will crash the program if the format string is invalid.
   EXPECT_FORMAT_ERROR(sformat("}"), "single '}' in format string");
   EXPECT_FORMAT_ERROR(sformat("foo}bar"), "single '}' in format string");
   EXPECT_FORMAT_ERROR(sformat("foo{bar"), "missing ending '}'");
@@ -429,11 +435,26 @@ TEST(Format, BogusFormatString) {
   EXPECT_FORMAT_ERROR(sformat("{1.3}", 0, 1, 2), "index not allowed");
   EXPECT_FORMAT_ERROR(sformat("{0} {} {1}", 0, 1, 2),
                "may not have both default and explicit arg indexes");
+  EXPECT_FORMAT_ERROR(sformat("{:*}", 1.2),
+                      "dynamic field width argument must be integral");
+  EXPECT_FORMAT_ERROR(sformat("{} {:*}", "hi"),
+                      "argument index out of range, max=1");
+  EXPECT_FORMAT_ERROR(
+    sformat("{:*0}", 12, "ok"),
+    "cannot provide width arg index without value arg index"
+  );
+  EXPECT_FORMAT_ERROR(
+    sformat("{0:*}", 12, "ok"),
+    "cannot provide value arg index without width arg index"
+  );
+
+  std::vector<int> v{1, 2, 3};
+  EXPECT_FORMAT_ERROR(svformat("{:*}", v),
+                      "dynamic field width not supported in vformat()");
 
   // This one fails in detail::enforceWhitespace(), which throws
   // std::range_error
-  EXPECT_THROW_STR(sformat("{0[test}"), std::range_error,
-                   "Non-whitespace: [");
+  EXPECT_THROW_STR(sformat("{0[test}"), std::range_error, "Non-whitespace");
 }
 
 template <bool containerMode, class... Args>
@@ -487,9 +508,3 @@ TEST(Format, Extending) {
                        "another formatter"),
             "Extending {a {formatter}} in {another formatter}");
 }
-
-int main(int argc, char *argv[]) {
-  testing::InitGoogleTest(&argc, argv);
-  gflags::ParseCommandLineFlags(&argc, &argv, true);
-  return RUN_ALL_TESTS();
-}