3bf8c76072
Replace the null-terminated C-style strings in Value with hybrid C / Pascal strings, where the length is stored in the allocation before the data, and there is still a null byte at the end for the sake of C interopt. Co-Authored-By: Taeer Bar-Yam <taeer@bar-yam.me> Co-Authored-By: Sergei Zimmerman <sergei@zimmerman.foo>
45 lines
907 B
C++
45 lines
907 B
C++
#include "nix/expr/value.hh"
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#include "nix/expr/static-string-data.hh"
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#include "nix/store/tests/libstore.hh"
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#include <gtest/gtest.h>
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namespace nix {
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class ValueTest : public LibStoreTest
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{};
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TEST_F(ValueTest, unsetValue)
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{
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Value unsetValue;
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ASSERT_EQ(false, unsetValue.isValid());
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ASSERT_EQ(nThunk, unsetValue.type(true));
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ASSERT_DEATH(unsetValue.type(), "");
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}
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TEST_F(ValueTest, vInt)
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{
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Value vInt;
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vInt.mkInt(42);
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ASSERT_EQ(true, vInt.isValid());
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}
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TEST_F(ValueTest, staticString)
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{
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Value vStr1;
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Value vStr2;
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vStr1.mkStringNoCopy("foo"_sds);
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vStr2.mkStringNoCopy("foo"_sds);
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auto & sd1 = vStr1.string_data();
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auto & sd2 = vStr2.string_data();
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// The strings should be the same
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ASSERT_EQ(sd1.view(), sd2.view());
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// The strings should also be backed by the same (static) allocation
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ASSERT_EQ(&sd1, &sd2);
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}
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} // namespace nix
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