root / tests / test-opts-visitor.c @ 4f8a066b
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/*
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* Options Visitor unit-tests.
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*
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* Copyright (C) 2013 Red Hat, Inc.
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*
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* Authors:
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* Laszlo Ersek <lersek@redhat.com> (based on test-string-output-visitor)
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <glib.h> |
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#include "qemu/config-file.h" /* qemu_add_opts() */ |
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#include "qemu/option.h" /* qemu_opts_parse() */ |
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#include "qapi/opts-visitor.h" /* opts_visitor_new() */ |
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#include "test-qapi-visit.h" /* visit_type_UserDefOptions() */ |
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#include "qapi/dealloc-visitor.h" /* qapi_dealloc_visitor_new() */ |
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static QemuOptsList userdef_opts = {
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.name = "userdef",
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.head = QTAILQ_HEAD_INITIALIZER(userdef_opts.head), |
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.desc = { { 0 } } /* validated with OptsVisitor */ |
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}; |
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/* fixture (= glib test case context) and test case manipulation */
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typedef struct OptsVisitorFixture { |
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UserDefOptions *userdef; |
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Error *err; |
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} OptsVisitorFixture; |
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static void |
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setup_fixture(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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const char *opts_string = test_data; |
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QemuOpts *opts; |
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OptsVisitor *ov; |
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opts = qemu_opts_parse(qemu_find_opts("userdef"), opts_string, 0); |
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g_assert(opts != NULL);
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ov = opts_visitor_new(opts); |
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visit_type_UserDefOptions(opts_get_visitor(ov), &f->userdef, NULL,
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&f->err); |
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opts_visitor_cleanup(ov); |
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qemu_opts_del(opts); |
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} |
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static void |
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teardown_fixture(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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if (f->userdef != NULL) { |
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QapiDeallocVisitor *dv; |
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dv = qapi_dealloc_visitor_new(); |
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visit_type_UserDefOptions(qapi_dealloc_get_visitor(dv), &f->userdef, |
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NULL, NULL); |
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qapi_dealloc_visitor_cleanup(dv); |
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} |
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error_free(f->err); |
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} |
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static void |
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add_test(const char *testpath, |
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void (*test_func)(OptsVisitorFixture *f, gconstpointer test_data),
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gconstpointer test_data) |
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{ |
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g_test_add(testpath, OptsVisitorFixture, test_data, setup_fixture, |
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test_func, teardown_fixture); |
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} |
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/* test output evaluation */
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static void |
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expect_ok(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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g_assert(f->err == NULL);
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g_assert(f->userdef != NULL);
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} |
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static void |
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expect_fail(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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g_assert(f->err != NULL);
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/* The error message is printed when this test utility is invoked directly
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* (ie. without gtester) and the --verbose flag is passed:
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*
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* tests/test-opts-visitor --verbose
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*/
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g_test_message("'%s': %s", (const char *)test_data, |
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error_get_pretty(f->err)); |
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} |
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static void |
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test_value(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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uint64_t magic, bitval; |
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intList *i64; |
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uint64List *u64; |
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uint16List *u16; |
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expect_ok(f, test_data); |
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magic = 0;
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for (i64 = f->userdef->i64; i64 != NULL; i64 = i64->next) { |
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g_assert(-16 <= i64->value && i64->value < 64-16); |
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bitval = 1ull << (i64->value + 16); |
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g_assert((magic & bitval) == 0);
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magic |= bitval; |
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} |
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g_assert(magic == 0xDEADBEEF);
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magic = 0;
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for (u64 = f->userdef->u64; u64 != NULL; u64 = u64->next) { |
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g_assert(u64->value < 64);
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bitval = 1ull << u64->value;
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g_assert((magic & bitval) == 0);
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magic |= bitval; |
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} |
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g_assert(magic == 0xBADC0FFEE0DDF00D);
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magic = 0;
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for (u16 = f->userdef->u16; u16 != NULL; u16 = u16->next) { |
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g_assert(u16->value < 64);
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bitval = 1ull << u16->value;
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g_assert((magic & bitval) == 0);
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magic |= bitval; |
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} |
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g_assert(magic == 0xD15EA5E);
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} |
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static void |
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expect_i64_min(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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expect_ok(f, test_data); |
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g_assert(f->userdef->has_i64); |
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g_assert(f->userdef->i64->next == NULL);
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g_assert(f->userdef->i64->value == INT64_MIN); |
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} |
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static void |
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expect_i64_max(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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expect_ok(f, test_data); |
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g_assert(f->userdef->has_i64); |
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g_assert(f->userdef->i64->next == NULL);
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g_assert(f->userdef->i64->value == INT64_MAX); |
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} |
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static void |
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expect_zero(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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expect_ok(f, test_data); |
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g_assert(f->userdef->has_u64); |
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g_assert(f->userdef->u64->next == NULL);
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g_assert(f->userdef->u64->value == 0);
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} |
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static void |
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expect_u64_max(OptsVisitorFixture *f, gconstpointer test_data) |
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{ |
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expect_ok(f, test_data); |
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g_assert(f->userdef->has_u64); |
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g_assert(f->userdef->u64->next == NULL);
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g_assert(f->userdef->u64->value == UINT64_MAX); |
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} |
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/* test cases */
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int
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main(int argc, char **argv) |
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{ |
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g_test_init(&argc, &argv, NULL);
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qemu_add_opts(&userdef_opts); |
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/* Three hexadecimal magic numbers, "dead beef", "bad coffee, odd food" and
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* "disease", from
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* <http://en.wikipedia.org/wiki/Magic_number_%28programming%29>, were
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* converted to binary and dissected into bit ranges. Each magic number is
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* going to be recomposed using the lists called "i64", "u64" and "u16",
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* respectively.
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*
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* (Note that these types pertain to the individual bit shift counts, not
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* the magic numbers themselves; the intent is to exercise opts_type_int()
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* and opts_type_uint64().)
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*
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* The "i64" shift counts have been decreased by 16 (decimal) in order to
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* test negative values as well. Finally, the full list of QemuOpt elements
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* has been permuted with "shuf".
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*
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* Both "i64" and "u64" have some (distinct) single-element ranges
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* represented as both "a" and "a-a". "u16" is a special case of "i64" (see
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* visit_type_uint16()), so it wouldn't add a separate test in this regard.
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*/
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add_test("/visitor/opts/flatten/value", &test_value,
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"i64=-1-0,u64=12-16,u64=2-3,i64=-11--9,u64=57,u16=9,i64=5-5,"
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"u16=1-4,u16=20,u64=63-63,i64=-16--13,u64=50-52,i64=14-15,u16=11,"
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"i64=7,u16=18,i64=2-3,u16=6,u64=54-55,u64=0,u64=18-20,u64=33-43,"
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"i64=9-12,u16=26-27,u64=59-61,u16=13-16,u64=29-31,u64=22-23,"
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"u16=24,i64=-7--3");
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add_test("/visitor/opts/i64/val1/errno", &expect_fail,
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"i64=0x8000000000000000");
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add_test("/visitor/opts/i64/val1/empty", &expect_fail, "i64="); |
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add_test("/visitor/opts/i64/val1/trailing", &expect_fail, "i64=5z"); |
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add_test("/visitor/opts/i64/nonlist", &expect_fail, "i64x=5-6"); |
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add_test("/visitor/opts/i64/val2/errno", &expect_fail,
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"i64=0x7fffffffffffffff-0x8000000000000000");
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add_test("/visitor/opts/i64/val2/empty", &expect_fail, "i64=5-"); |
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add_test("/visitor/opts/i64/val2/trailing", &expect_fail, "i64=5-6z"); |
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add_test("/visitor/opts/i64/range/empty", &expect_fail, "i64=6-5"); |
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add_test("/visitor/opts/i64/range/minval", &expect_i64_min,
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"i64=-0x8000000000000000--0x8000000000000000");
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add_test("/visitor/opts/i64/range/maxval", &expect_i64_max,
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"i64=0x7fffffffffffffff-0x7fffffffffffffff");
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add_test("/visitor/opts/u64/val1/errno", &expect_fail, "u64=-1"); |
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add_test("/visitor/opts/u64/val1/empty", &expect_fail, "u64="); |
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add_test("/visitor/opts/u64/val1/trailing", &expect_fail, "u64=5z"); |
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add_test("/visitor/opts/u64/nonlist", &expect_fail, "u64x=5-6"); |
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add_test("/visitor/opts/u64/val2/errno", &expect_fail,
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"u64=0xffffffffffffffff-0x10000000000000000");
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add_test("/visitor/opts/u64/val2/empty", &expect_fail, "u64=5-"); |
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add_test("/visitor/opts/u64/val2/trailing", &expect_fail, "u64=5-6z"); |
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add_test("/visitor/opts/u64/range/empty", &expect_fail, "u64=6-5"); |
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add_test("/visitor/opts/u64/range/minval", &expect_zero, "u64=0-0"); |
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add_test("/visitor/opts/u64/range/maxval", &expect_u64_max,
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"u64=0xffffffffffffffff-0xffffffffffffffff");
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/* Test maximum range sizes. The macro value is open-coded here
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* *intentionally*; the test case must use concrete values by design. If
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* OPTS_VISITOR_RANGE_MAX is changed, the following values need to be
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* recalculated as well. The assert and this comment should help with it.
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*/
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g_assert(OPTS_VISITOR_RANGE_MAX == 65536);
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/* The unsigned case is simple, a u64-u64 difference can always be
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* represented as a u64.
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*/
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add_test("/visitor/opts/u64/range/max", &expect_ok, "u64=0-65535"); |
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add_test("/visitor/opts/u64/range/2big", &expect_fail, "u64=0-65536"); |
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/* The same cannot be said about an i64-i64 difference. */
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add_test("/visitor/opts/i64/range/max/pos/a", &expect_ok,
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"i64=0x7fffffffffff0000-0x7fffffffffffffff");
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add_test("/visitor/opts/i64/range/max/pos/b", &expect_ok,
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"i64=0x7ffffffffffeffff-0x7ffffffffffffffe");
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add_test("/visitor/opts/i64/range/2big/pos", &expect_fail,
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"i64=0x7ffffffffffeffff-0x7fffffffffffffff");
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add_test("/visitor/opts/i64/range/max/neg/a", &expect_ok,
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"i64=-0x8000000000000000--0x7fffffffffff0001");
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add_test("/visitor/opts/i64/range/max/neg/b", &expect_ok,
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"i64=-0x7fffffffffffffff--0x7fffffffffff0000");
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add_test("/visitor/opts/i64/range/2big/neg", &expect_fail,
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"i64=-0x8000000000000000--0x7fffffffffff0000");
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add_test("/visitor/opts/i64/range/2big/full", &expect_fail,
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"i64=-0x8000000000000000-0x7fffffffffffffff");
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g_test_run(); |
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return 0; |
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} |