23 lines
585 B
C++
23 lines
585 B
C++
#include "fmt.hh"
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#include "ansicolor.hh"
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#include <gtest/gtest.h>
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namespace nix {
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TEST(HintFmt, arg_count)
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{
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// Single arg is treated as a literal string.
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ASSERT_EQ(HintFmt("%s").str(), "%s");
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// Other strings format as expected:
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ASSERT_EQ(HintFmt("%s", 1).str(), ANSI_MAGENTA "1" ANSI_NORMAL);
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ASSERT_EQ(HintFmt("%1%", "hello").str(), ANSI_MAGENTA "hello" ANSI_NORMAL);
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// Argument counts are detected at construction.
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ASSERT_THROW(HintFmt("%s %s", 1), boost::io::too_few_args);
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ASSERT_THROW(HintFmt("%s", 1, 2), boost::io::too_many_args);
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}
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}
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