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test: add variable arguments support for Argv #12166

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test: add variable arguments support for Argv #12166

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32 changes: 21 additions & 11 deletions test/cctest/node_test_fixture.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,17 +32,27 @@ class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {

struct Argv {
public:
Argv(const char* prog, const char* arg1, const char* arg2) {
int prog_len = strlen(prog) + 1;
int arg1_len = strlen(arg1) + 1;
int arg2_len = strlen(arg2) + 1;
argv_ = static_cast<char**>(malloc(3 * sizeof(char*)));
argv_[0] = static_cast<char*>(malloc(prog_len + arg1_len + arg2_len));
snprintf(argv_[0], prog_len, "%s", prog);
snprintf(argv_[0] + prog_len, arg1_len, "%s", arg1);
snprintf(argv_[0] + prog_len + arg1_len, arg2_len, "%s", arg2);
argv_[1] = argv_[0] + prog_len;
argv_[2] = argv_[0] + prog_len + arg1_len;
Argv() : Argv({"node", "-p", "process.version"}) {}

Argv(const std::initializer_list<const char*> &args) {
int nrArgs = args.size();
int totalLen = 0;
for (auto it = args.begin(); it != args.end(); ++it) {
totalLen += strlen(*it) + 1;
}
argv_ = static_cast<char**>(malloc(nrArgs * sizeof(char*)));
argv_[0] = static_cast<char*>(malloc(totalLen));
int i = 0;
int offset = 0;
for (auto it = args.begin(); it != args.end(); ++it, ++i) {
int len = strlen(*it) + 1;
snprintf(argv_[0] + offset, len, "%s", *it);
// Skip argv_[0] as it points the correct location already
if (i > 0) {
argv_[i] = argv_[0] + offset;
}
offset += len;
}
}

~Argv() {
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