geopro/tests/io/gpr/test_iprb_reader.cpp

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#include "io/gpr/IprbReader.hpp"
#include "io/gpr/IprHeader.hpp"
#include <gtest/gtest.h>
#include <fstream>
#include <cstdio>
namespace {
std::string writeTmp(const std::vector<int16_t>& v) {
std::string p = std::tmpnam(nullptr);
std::ofstream f(p, std::ios::binary);
f.write(reinterpret_cast<const char*>(v.data()),
static_cast<std::streamsize>(v.size()*sizeof(int16_t)));
return p;
}
}
using namespace geopro::io::gpr;
TEST(IprbReader, ReadsInt16AndLayout) {
std::vector<int16_t> raw{0,1,2, 10,11,12, 20,21,22, 30,31,32}; // 4 道×3 采样
auto path = writeTmp(raw);
IprHeader h{}; h.samples = 3; h.lastTrace = 3; // traces = 4
auto b = readIprb(path, h);
EXPECT_EQ(b.samples, 3);
EXPECT_EQ(b.traces, 4);
EXPECT_EQ(b.data.size(), 12u);
EXPECT_EQ(b.data[1*3 + 2], 12); // 第1道第2采样
std::remove(path.c_str());
}
TEST(IprbReader, ThrowsOnSizeMismatch) {
std::vector<int16_t> raw{0,1,2,3,4}; // 5 个,与 samples*traces 不符
auto path = writeTmp(raw);
IprHeader h{}; h.samples = 3; h.lastTrace = 3; // 期望 12
EXPECT_THROW(readIprb(path, h), std::runtime_error);
std::remove(path.c_str());
}
TEST(IprbReader, ThrowsOnMissingFile) {
IprHeader h{}; h.samples = 3; h.lastTrace = 3;
EXPECT_THROW(readIprb("____no_such_file____.iprb", h), std::runtime_error);
}