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63f11355a6
Add test for fix in: commit 5741da3dee4c ("perf expr: Parse numbers as doubles") Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200513062752.3681-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "util/debug.h"
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#include "util/expr.h"
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#include "tests.h"
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#include <stdlib.h>
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#include <string.h>
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#include <linux/zalloc.h>
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static int test(struct expr_parse_ctx *ctx, const char *e, double val2)
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{
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double val;
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if (expr__parse(&val, ctx, e, 1))
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TEST_ASSERT_VAL("parse test failed", 0);
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TEST_ASSERT_VAL("unexpected value", val == val2);
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return 0;
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}
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int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
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{
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const char *p;
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const char **other;
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double val;
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int i, ret;
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struct expr_parse_ctx ctx;
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int num_other;
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expr__ctx_init(&ctx);
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expr__add_id(&ctx, "FOO", 1);
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expr__add_id(&ctx, "BAR", 2);
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ret = test(&ctx, "1+1", 2);
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ret |= test(&ctx, "FOO+BAR", 3);
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ret |= test(&ctx, "(BAR/2)%2", 1);
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ret |= test(&ctx, "1 - -4", 5);
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ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5);
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ret |= test(&ctx, "1-1 | 1", 1);
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ret |= test(&ctx, "1-1 & 1", 0);
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ret |= test(&ctx, "min(1,2) + 1", 2);
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ret |= test(&ctx, "max(1,2) + 1", 3);
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ret |= test(&ctx, "1+1 if 3*4 else 0", 2);
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ret |= test(&ctx, "1.1 + 2.1", 3.2);
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if (ret)
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return ret;
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p = "FOO/0";
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ret = expr__parse(&val, &ctx, p, 1);
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TEST_ASSERT_VAL("division by zero", ret == -1);
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p = "BAR/";
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ret = expr__parse(&val, &ctx, p, 1);
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TEST_ASSERT_VAL("missing operand", ret == -1);
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TEST_ASSERT_VAL("find other",
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expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other, 1) == 0);
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TEST_ASSERT_VAL("find other", num_other == 3);
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TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR"));
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TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ"));
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TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO"));
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TEST_ASSERT_VAL("find other", other[3] == NULL);
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TEST_ASSERT_VAL("find other",
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expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@", NULL,
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&other, &num_other, 3) == 0);
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TEST_ASSERT_VAL("find other", num_other == 2);
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TEST_ASSERT_VAL("find other", !strcmp(other[0], "EVENT1,param=3/"));
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TEST_ASSERT_VAL("find other", !strcmp(other[1], "EVENT2,param=3/"));
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TEST_ASSERT_VAL("find other", other[2] == NULL);
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for (i = 0; i < num_other; i++)
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zfree(&other[i]);
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free((void *)other);
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return 0;
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}
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