From 4491d606df34c44efda47b6d17b605262f17e182 Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Thu, 21 Jun 2018 12:55:12 -0700 Subject: Export of internal Abseil changes. -- 70f43a482d7d4ae4a255f17ca02b0106653dd600 by Shaindel Schwartz : Internal change PiperOrigin-RevId: 201571193 -- 93e6e9c2e683158be49d9dd1f5cb1a91d0c0f556 by Abseil Team : Internal change. PiperOrigin-RevId: 201567108 -- fbd8ee94fbe9f2448e5adf5e88706f9c8216048f by Juemin Yang : str_format release PiperOrigin-RevId: 201565129 -- 387faa301555a8a888c4429df52734aa806dca46 by Abseil Team : Adds a defaulted allocator parameter to the size_type constructor of InlinedVector PiperOrigin-RevId: 201558711 -- 39b15ea2c68d7129d70cbde7e71af900032595ec by Matt Calabrese : Update the variant implementation to eliminate unnecessary checking on alternative access when the index is known or required to be correct. PiperOrigin-RevId: 201529535 -- adab77f1f7bb363aa534297f22aae2b0f08889ea by Abseil Team : Import of CCTZ from GitHub. PiperOrigin-RevId: 201458388 -- a701dc0ba62e3cadf0de14203415b91df4ee8151 by Greg Falcon : Internal cleanup PiperOrigin-RevId: 201394836 -- 8a7191410b8f440fdfa27f722ff05e451502ab61 by Abseil Team : Import of CCTZ from GitHub. PiperOrigin-RevId: 201369269 GitOrigin-RevId: 70f43a482d7d4ae4a255f17ca02b0106653dd600 Change-Id: I8ab073b30b4e27405a3b6da2c826bb4f3f0b9af6 --- absl/strings/internal/str_format/bind_test.cc | 131 ++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 absl/strings/internal/str_format/bind_test.cc (limited to 'absl/strings/internal/str_format/bind_test.cc') diff --git a/absl/strings/internal/str_format/bind_test.cc b/absl/strings/internal/str_format/bind_test.cc new file mode 100644 index 0000000..4757573 --- /dev/null +++ b/absl/strings/internal/str_format/bind_test.cc @@ -0,0 +1,131 @@ +#include "absl/strings/internal/str_format/bind.h" + +#include + +#include "gtest/gtest.h" + +namespace absl { +namespace str_format_internal { +namespace { + +template +size_t ArraySize(T (&)[N]) { + return N; +} + +class FormatBindTest : public ::testing::Test { + public: + bool Extract(const char *s, UnboundConversion *props, int *next) const { + absl::string_view src = s; + return ConsumeUnboundConversion(&src, props, next) && src.empty(); + } +}; + +TEST_F(FormatBindTest, BindSingle) { + struct Expectation { + int line; + const char *fmt; + int ok_phases; + const FormatArgImpl *arg; + int width; + int precision; + int next_arg; + }; + const int no = -1; + const int ia[] = { 10, 20, 30, 40}; + const FormatArgImpl args[] = {FormatArgImpl(ia[0]), FormatArgImpl(ia[1]), + FormatArgImpl(ia[2]), FormatArgImpl(ia[3])}; +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wmissing-field-initializers" + const Expectation kExpect[] = { + {__LINE__, "d", 2, &args[0], no, no, 2}, + {__LINE__, "4d", 2, &args[0], 4, no, 2}, + {__LINE__, ".5d", 2, &args[0], no, 5, 2}, + {__LINE__, "4.5d", 2, &args[0], 4, 5, 2}, + {__LINE__, "*d", 2, &args[1], 10, no, 3}, + {__LINE__, ".*d", 2, &args[1], no, 10, 3}, + {__LINE__, "*.*d", 2, &args[2], 10, 20, 4}, + {__LINE__, "1$d", 2, &args[0], no, no, 0}, + {__LINE__, "2$d", 2, &args[1], no, no, 0}, + {__LINE__, "3$d", 2, &args[2], no, no, 0}, + {__LINE__, "4$d", 2, &args[3], no, no, 0}, + {__LINE__, "2$*1$d", 2, &args[1], 10, no, 0}, + {__LINE__, "2$*2$d", 2, &args[1], 20, no, 0}, + {__LINE__, "2$*3$d", 2, &args[1], 30, no, 0}, + {__LINE__, "2$.*1$d", 2, &args[1], no, 10, 0}, + {__LINE__, "2$.*2$d", 2, &args[1], no, 20, 0}, + {__LINE__, "2$.*3$d", 2, &args[1], no, 30, 0}, + {__LINE__, "2$*3$.*1$d", 2, &args[1], 30, 10, 0}, + {__LINE__, "2$*2$.*2$d", 2, &args[1], 20, 20, 0}, + {__LINE__, "2$*1$.*3$d", 2, &args[1], 10, 30, 0}, + {__LINE__, "2$*3$.*1$d", 2, &args[1], 30, 10, 0}, + {__LINE__, "1$*d", 0}, // indexed, then positional + {__LINE__, "*2$d", 0}, // positional, then indexed + {__LINE__, "6$d", 1}, // arg position out of bounds + {__LINE__, "1$6$d", 0}, // width position incorrectly specified + {__LINE__, "1$.6$d", 0}, // precision position incorrectly specified + {__LINE__, "1$*6$d", 1}, // width position out of bounds + {__LINE__, "1$.*6$d", 1}, // precision position out of bounds + }; +#pragma GCC diagnostic pop + for (const Expectation &e : kExpect) { + SCOPED_TRACE(e.line); + SCOPED_TRACE(e.fmt); + UnboundConversion props; + BoundConversion bound; + int ok_phases = 0; + int next = 0; + if (Extract(e.fmt, &props, &next)) { + ++ok_phases; + if (BindWithPack(&props, args, &bound)) { + ++ok_phases; + } + } + EXPECT_EQ(e.ok_phases, ok_phases); + if (e.ok_phases < 2) continue; + if (e.arg != nullptr) { + EXPECT_EQ(e.arg, bound.arg()); + } + EXPECT_EQ(e.width, bound.width()); + EXPECT_EQ(e.precision, bound.precision()); + } +} + +TEST_F(FormatBindTest, FormatPack) { + struct Expectation { + int line; + const char *fmt; + const char *summary; + }; + const int ia[] = { 10, 20, 30, 40, -10 }; + const FormatArgImpl args[] = {FormatArgImpl(ia[0]), FormatArgImpl(ia[1]), + FormatArgImpl(ia[2]), FormatArgImpl(ia[3]), + FormatArgImpl(ia[4])}; + const Expectation kExpect[] = { + {__LINE__, "a%4db%dc", "a{10:4d}b{20:d}c"}, + {__LINE__, "a%.4db%dc", "a{10:.4d}b{20:d}c"}, + {__LINE__, "a%4.5db%dc", "a{10:4.5d}b{20:d}c"}, + {__LINE__, "a%db%4.5dc", "a{10:d}b{20:4.5d}c"}, + {__LINE__, "a%db%*.*dc", "a{10:d}b{40:20.30d}c"}, + {__LINE__, "a%.*fb", "a{20:.10f}b"}, + {__LINE__, "a%1$db%2$*3$.*4$dc", "a{10:d}b{20:30.40d}c"}, + {__LINE__, "a%4$db%3$*2$.*1$dc", "a{40:d}b{30:20.10d}c"}, + {__LINE__, "a%04ldb", "a{10:04ld}b"}, + {__LINE__, "a%-#04lldb", "a{10:-#04lld}b"}, + {__LINE__, "a%1$*5$db", "a{10:-10d}b"}, + {__LINE__, "a%1$.*5$db", "a{10:d}b"}, + }; + for (const Expectation &e : kExpect) { + absl::string_view fmt = e.fmt; + SCOPED_TRACE(e.line); + SCOPED_TRACE(e.fmt); + UntypedFormatSpecImpl format(fmt); + EXPECT_EQ(e.summary, + str_format_internal::Summarize(format, absl::MakeSpan(args))) + << "line:" << e.line; + } +} + +} // namespace +} // namespace str_format_internal +} // namespace absl -- cgit v1.2.3