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authorRemco Bloemen <remco@wicked.ventures>2018-05-28 19:55:26 +0800
committerGreg Hysen <greg.hysen@gmail.com>2018-06-08 06:38:47 +0800
commit7f218725106947066713a1f9610f0550abb464fa (patch)
treee5ac16429fba1ae89fbf69861e2d3a56ca249ba3 /packages/contracts/test
parent27351c9a902b945b7507e5c76e77dcc7cae855f8 (diff)
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Add test cases
Diffstat (limited to 'packages/contracts/test')
-rw-r--r--packages/contracts/test/libraries/lib_mem.ts150
1 files changed, 133 insertions, 17 deletions
diff --git a/packages/contracts/test/libraries/lib_mem.ts b/packages/contracts/test/libraries/lib_mem.ts
index 8658a89b0..4316bab6e 100644
--- a/packages/contracts/test/libraries/lib_mem.ts
+++ b/packages/contracts/test/libraries/lib_mem.ts
@@ -41,28 +41,144 @@ describe('LibMem', () => {
Uint8Array.from(memory).copyWithin(dest, source, source + length);
// Test vectors: destination, source, length, job description
- const tests: Array<[number, number, number, string]> = [
+ type Tests = Array<[number, number, number, string]>;
+
+ const test = (tests: Tests) =>
+ tests.forEach(([dest, source, length, job]) =>
+ it(job, async () => {
+ const expected = refMemcpy(memory, dest, source, length);
+ const resultStr = await testLibMem.testMemcpy.callAsync(
+ memHex,
+ new BigNumber(dest),
+ new BigNumber(source),
+ new BigNumber(length),
+ );
+ const result = fromHex(resultStr);
+ expect(result).to.deep.equal(expected);
+ }),
+ );
+
+ describe('copies forward', () => test([
[128, 0, 0, 'zero bytes'],
[128, 0, 1, 'one byte'],
[128, 0, 11, 'eleven bytes'],
+ [128, 0, 31, 'thirty-one bytes'],
[128, 0, 32, 'one word'],
+ [128, 0, 33, 'one word and one byte'],
[128, 0, 72, 'two words and eight bytes'],
[128, 0, 100, 'three words and four bytes'],
- ];
-
- // Construct test cases
- tests.forEach(([dest, source, length, job]) =>
- it(`copies ${job}`, async () => {
- const expected = refMemcpy(memory, dest, source, length);
- const resultStr = await testLibMem.testMemcpy.callAsync(
- memHex,
- new BigNumber(dest),
- new BigNumber(source),
- new BigNumber(length),
- );
- const result = fromHex(resultStr);
- expect(result).to.deep.equal(expected);
- }),
- );
+ ]));
+
+ describe('copies forward within one word', () => test([
+ [16, 0, 0, 'zero bytes'],
+ [16, 0, 1, 'one byte'],
+ [16, 0, 11, 'eleven bytes'],
+ [16, 0, 16, 'sixteen bytes'],
+ ]));
+
+ describe('copies forward with one byte overlap', () => test([
+ [0, 0, 1, 'one byte'],
+ [10, 0, 11, 'eleven bytes'],
+ [30, 0, 31, 'thirty-one bytes'],
+ [31, 0, 32, 'one word'],
+ [32, 0, 33, 'one word and one byte'],
+ [71, 0, 72, 'two words and eight bytes'],
+ [99, 0, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward with thirty-one bytes overlap', () => test([
+ [0, 0, 31, 'thirty-one bytes'],
+ [1, 0, 32, 'one word'],
+ [2, 0, 33, 'one word and one byte'],
+ [41, 0, 72, 'two words and eight bytes'],
+ [69, 0, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward with one word overlap', () => test([
+ [0, 0, 32, 'one word'],
+ [1, 0, 33, 'one word and one byte'],
+ [41, 0, 72, 'two words and eight bytes'],
+ [69, 0, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward with one word and one byte overlap', () => test([
+ [0, 0, 33, 'one word and one byte'],
+ [40, 0, 72, 'two words and eight bytes'],
+ [68, 0, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward with two words overlap', () => test([
+ [0, 0, 64, 'two words'],
+ [8, 0, 72, 'two words and eight bytes'],
+ [36, 0, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward within one word and one byte overlap', () => test([
+ [0, 0, 1, 'one byte'],
+ [10, 0, 11, 'eleven bytes'],
+ [15, 0, 16, 'sixteen bytes'],
+ ]));
+
+ describe('copies backward', () => test([
+ [0, 128, 0, 'zero bytes'],
+ [0, 128, 1, 'one byte'],
+ [0, 128, 11, 'eleven bytes'],
+ [0, 128, 31, 'thirty-one bytes'],
+ [0, 128, 32, 'one word'],
+ [0, 128, 33, 'one word and one byte'],
+ [0, 128, 72, 'two words and eight bytes'],
+ [0, 128, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies backward within one word', () => test([
+ [0, 16, 0, 'zero bytes'],
+ [0, 16, 1, 'one byte'],
+ [0, 16, 11, 'eleven bytes'],
+ [0, 16, 16, 'sixteen bytes'],
+ ]));
+
+ describe('copies backward with one byte overlap', () => test([
+ [0, 0, 1, 'one byte'],
+ [0, 10, 11, 'eleven bytes'],
+ [0, 30, 31, 'thirty-one bytes'],
+ [0, 31, 32, 'one word'],
+ [0, 32, 33, 'one word and one byte'],
+ [0, 71, 72, 'two words and eight bytes'],
+ [0, 99, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies backward with thirty-one bytes overlap', () => test([
+ [0, 0, 31, 'thirty-one bytes'],
+ [0, 1, 32, 'one word'],
+ [0, 2, 33, 'one word and one byte'],
+ [0, 41, 72, 'two words and eight bytes'],
+ [0, 69, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies backward with one word overlap', () => test([
+ [0, 0, 32, 'one word'],
+ [0, 1, 33, 'one word and one byte'],
+ [0, 41, 72, 'two words and eight bytes'],
+ [0, 69, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies backward with one word and one byte overlap', () => test([
+ [0, 0, 33, 'one word and one byte'],
+ [0, 40, 72, 'two words and eight bytes'],
+ [0, 68, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies backward with two words overlap', () => test([
+ [0, 0, 64, 'two words'],
+ [0, 8, 72, 'two words and eight bytes'],
+ [0, 36, 100, 'three words and four bytes'],
+ ]));
+
+ describe('copies forward within one word and one byte overlap', () => test([
+ [0, 0, 1, 'one byte'],
+ [0, 10, 11, 'eleven bytes'],
+ [0, 15, 16, 'sixteen bytes'],
+ ]));
+
});
});